2017届高考英语一轮复习语法精练课件：专题9 情态动词与虚拟语气
<p> 走向高考 · 英语 路漫漫其修远兮 吾将上下而求索 人教版(课标卷地区) · 高考总复习</p><p> 语法专项突破</p><p> 第二部分 专题九 情态动词与虚拟语气 第二部分 情态动词 一、9大情态动词的基本用法 情态动词 主要用法 典句例示 <span word="can">can</span>/<span word="could">could</span> 表示能力(<span word="could">could</span>常用于过去的能力) <span word="The">The</span> <span word="police">police</span> <span word="still">still</span> <span word="haven">haven</span>'<span word="t">t</span> <span word="found">found</span> <span word="the">the</span> <span word="lost">lost</span> <span word="child">child</span>，<span word="but">but</span> <span word="they">they</span>'<span word="re">re</span> <span word="doing">doing</span> <span word="all">all</span> <span word="they">they</span> <span word="can">can</span>. 警察还没有找到丢失的孩子，但是他们正在竭尽全力地寻找。 表示理论上的可能性，“有时候可能会” <span word="It">It</span> <span word="can">can</span> <span word="be">be</span> <span word="quite">quite</span> <span word="windy">windy</span> <span word="there">there</span>，<span word="especially">especially</span> <span word="in">in</span> <span word="spring">spring</span>. 那里有时容易刮风，特别是在春季。 表示请求和允许，口语中常用<span word="could">could</span>代替<span word="can">can</span>(<span word="could">could</span>用来表示现在，用以委婉地提出请求等) ①<span word="You">You</span> <span word="can">can</span> <span word="first">first</span> <span word="lend">lend</span> <span word="me">me</span> <span word="one">one</span> <span word="book">book</span> <span word="this">this</span> <span word="time">time</span>. 这次你可以借给我一本书。 ②<span word="Could">Could</span> <span word="you">you</span> <span word="tell">tell</span> <span word="me">me</span> <span word="how">how</span> <span word="I">I</span> <span word="can">can</span> <span word="get">get</span> <span word="to">to</span> <span word="the">the</span> <span word="railway">railway</span> <span word="station">station</span>? 你可以告诉我去火车站怎么走吗？ 表示推测，“可能” <span word="Just">Just</span> <span word="be">be</span> <span word="patient">patient</span>.<span word="You">You</span> <span word="can">can</span>'<span word="t">t</span> <span word="expect">expect</span> <span word="the">the</span> <span word="world">world</span> <span word="to">to</span> <span word="change">change</span> <span word="so">so</span> <span word="soon">soon</span>. 耐心一点儿，你不可能期望世界变化如此快。 情态动词 主要用法 典句例示 <span word="may">may</span>/<span word="might">might</span> 表示请求、允许、许可，<span word="might">might</span>比<span word="may">may</span>的语气更委婉 —<span word="May">May</span> <span word="I">I</span> <span word="take">take</span> <span word="the">the</span> <span word="book">book</span> <span word="out">out</span>? 我可以将这本书带出去吗？ —<span word="I">I</span>'<span word="m">m</span> <span word="afraid">afraid</span> <span word="not">not</span>. 恐怕不行。 表示推测，“可能”，可能性比<span word="can">can</span>/<span word="could">could</span>小 —<span word="I">I</span> <span word="don">don</span>'<span word="t">t</span> <span word="really">really</span> <span word="like">like</span> <span word="James">James</span>.<span word="Why">Why</span> <span word="did">did</span> <span word="you">you</span> <span word="invite">invite</span> <span word="him">him</span>? 我真的不喜欢詹姆斯，你为什么邀请他？ —<span word="Don">Don</span>'<span word="t">t</span> <span word="worry">worry</span>.<span word="He">He</span> <span word="might">might</span> <span word="not">not</span> <span word="come">come</span>.<span word="He">He</span> <span word="said">said</span> <span word="he">he</span> <span word="wasn">wasn</span>'<span word="t">t</span> <span word="certain">certain</span> <span word="what">what</span> <span word="his">his</span> <span word="plans">plans</span> <span word="were">were</span>. 不用担心，他可能不来，他说过对他的计划他拿不准。 情态动词 主要用法 典句例示 <span word="must">must</span> 表示“必须；应该” —<span word="Shall">Shall</span> <span word="I">I</span> <span word="inform">inform</span> <span word="him">him</span> <span word="of">of</span> <span word="the">the</span> <span word="change">change</span> <span word="of">of</span> <span word="the">the</span> <span word="schedule">schedule</span> <span word="right">right</span> <span word="now">now</span>? 我现在要告诉他日程的改变吗？ —<span word="I">I</span> <span word="am">am</span> <span word="afraid">afraid</span> <span word="you">you</span> <span word="must">must</span>，<span word="in">in</span> <span word="case">case</span> <span word="he">he</span> <span word="comes">comes</span> <span word="late">late</span> <span word="for">for</span> <span word="the">the</span> <span word="meeting">meeting</span>. 恐怕你必须告诉他，以防他开会迟到。 表示“偏要，硬要”做某事 <span word="If">If</span> <span word="you">you</span> <span word="must">must</span> <span word="go">go</span>，<span word="at">at</span> <span word="least">least</span> <span word="wait">wait</span> <span word="until">until</span> <span word="the">the</span> <span word="storm">storm</span> <span word="is">is</span> <span word="over">over</span>. 如果你非得要走的话，至少等到暴风雨停了再走。 表示推测，“一定” —<span word="Good">Good</span> <span word="morning">morning</span>.<span word="I">I</span>'<span word="ve">ve</span> <span word="got">got</span> <span word="an">an</span> <span word="appointment">appointment</span> <span word="with">with</span> <span word="Miss">Miss</span> <span word="Smith">Smith</span> <span word="in">in</span> <span word="the">the</span> <span word="Personnel">Personnel</span> <span word="Department">Department</span>. 早上好，我和人事部的<span word="Smith">Smith</span>小姐有约。 —<span word="Ah">Ah</span>，<span word="good">good</span> <span word="morning">morning</span>.<span word="You">You</span> <span word="must">must</span> <span word="be">be</span> <span word="Mrs">Mrs</span>.<span word="Peters">Peters</span>. 啊哈，早上好。那您一定就是<span word="Peters">Peters</span>女士了。 情态动词 主要用法 典句例示 <span word="shall">shall</span> 用于第一、三人称的疑问句中，表示征求对方的意见 ①<span word="Shall">Shall</span> <span word="we">we</span> <span word="go">go</span> <span word="to">to</span> <span word="the">the</span> <span word="theatre">theatre</span> <span word="by">by</span> <span word="bus">bus</span>? 我们乘公交车去剧院好吗？ ②<span word="What">What</span> <span word="shall">shall</span> <span word="he">he</span> <span word="do">do</span> <span word="next">next</span>? 他下一步干什么呢？ 用于第二、三人称的陈述句，表示说话人给对方的命令、警告、允诺或威胁；此外，当颁布法律、规定时也用<span word="shall">shall</span> —<span word="Will">Will</span> <span word="you">you</span> <span word="read">read</span> <span word="me">me</span> <span word="a">a</span> <span word="story">story</span>，<span word="Mummy">Mummy</span>? 妈妈，能给我讲个故事吗？ —<span word="OK">OK</span>.<span word="You">You</span> <span word="shall">shall</span> <span word="have">have</span> <span word="one">one</span> <span word="if">if</span> <span word="you">you</span> <span word="go">go</span> <span word="to">to</span> <span word="bed">bed</span> <span word="as">as</span> <span word="soon">soon</span> <span word="as">as</span> <span word="possible">possible</span>. 可以呀，只要你尽快上床睡觉就给你讲。 情态动词 主要用法 典句例示 <span word="should">should</span> 表示劝告和建议，作“应该”讲 <span word="You">You</span> <span word="should">should</span> <span word="learn">learn</span> <span word="from">from</span> <span word="each">each</span> <span word="other">other</span>. 你们应该相互学习。 表示惊讶、意外等情绪，意为“竟然” ①<span word="Why">Why</span> <span word="should">should</span> <span word="you">you</span> <span word="be">be</span> <span word="so">so</span> <span word="late">late</span> <span word="today">today</span>? 你今天怎么来得这么晚？ ②<span word="When">When</span> <span word="I">I</span> <span word="went">went</span> <span word="out">out</span>，<span word="whom">whom</span> <span word="should">should</span> <span word="I">I</span> <span word="meet">meet</span> <span word="but">but</span> <span word="my">my</span> <span word="old">old</span> <span word="friend">friend</span> <span word="Jack">Jack</span>! 当我出去时，想不到竟会碰见我的老朋友杰克！ 用在<span word="if">if</span>条件句中，表示可能性很小，但也不是完全不可能 <span word="If">If</span> <span word="you">you</span> <span word="should">should</span> <span word="fail">fail</span> <span word="to">to</span> <span word="come">come</span>，<span word="ask">ask</span> <span word="Mr">Mr</span>.<span word="Smith">Smith</span> <span word="to">to</span> <span word="work">work</span> <span word="in">in</span> <span word="your">your</span> <span word="place">place</span>. 万一你来不了，就让史密斯先生代替你。 情态动词 主要用法 典句例示 <span word="will">will</span>/ <span word="would">would</span> 用于表示意志或意愿 —<span word="Why">Why</span> <span word="didn">didn</span>'<span word="t">t</span> <span word="you">you</span> <span word="come">come</span> <span word="to">to</span> <span word="Simon">Simon</span>'<span word="s">s</span> <span word="party">party</span> <span word="last">last</span> <span word="night">night</span>? 你昨晚为什么没来参加西蒙的晚会？ —<span word="I">I</span> <span word="wanted">wanted</span> <span word="to">to</span>，<span word="but">but</span> <span word="my">my</span> <span word="mom">mom</span> <span word="simply">simply</span> <span word="would">would</span> <span word="not">not</span> <span word="let">let</span> <span word="me">me</span> <span word="out">out</span> <span word="so">so</span> <span word="late">late</span> <span word="at">at</span> <span word="night">night</span>. 我本来想去的，但是晚上这么晚我妈妈就是不让我出去。 表示“请求；建议”。用<span word="would">would</span>比<span word="will">will</span>委婉、客气些 ①<span word="Will">Will</span>/<span word="Would">Would</span> <span word="you">you</span> <span word="please">please</span> <span word="keep">keep</span> <span word="the">the</span> <span word="door">door</span> <span word="open">open</span>? 请让门开着好吗？ ②<span word="Will">Will</span>/<span word="Would">Would</span> <span word="you">you</span> <span word="go">go</span> <span word="with">with</span> <span word="me">me</span>? 你愿意和我一起去吗？ 表示习惯：<span word="will">will</span>可以表示现在的习惯，意为“总是；习惯于”。表示过去的习惯性动作用<span word="would">would</span> ①<span word="She">She</span> <span word="will">will</span> <span word="listen">listen</span> <span word="to">to</span> <span word="music">music</span> <span word="alone">alone</span> <span word="in">in</span> <span word="her">her</span> <span word="room">room</span> <span word="for">for</span> <span word="hours">hours</span>. 她独自在房间里听音乐，一听往往就是几小时。 ②<span word="He">He</span> <span word="would">would</span> <span word="get">get</span> <span word="up">up</span> <span word="early">early</span> <span word="when">when</span> <span word="he">he</span> <span word="lived">lived</span> <span word="in">in</span> <span word="the">the</span> <span word="country">country</span>. 他住在乡下时总是早起。 表示事物的某种性质和倾向 <span word="Oil">Oil</span> <span word="will">will</span> <span word="float">float</span> <span word="on">on</span> <span word="water">water</span>. 油总是浮在水面上。 情态动词 主要用法 典句例示 <span word="need">need</span> 表示“需要；必要”，用于否定句、疑问句和条件从句中 <span word="I">I</span> <span word="needn">needn</span>'<span word="t">t</span> <span word="worry">worry</span> <span word="about">about</span> <span word="my">my</span> <span word="weekend">weekend</span>—<span word="I">I</span> <span word="always">always</span> <span word="have">have</span> <span word="my">my</span> <span word="plans">plans</span> <span word="ready">ready</span> <span word="before">before</span> <span word="it">it</span> <span word="comes">comes</span>. 我不必为周末忧虑——我总是在周末到来前准备好计划。 <span word="dare">dare</span> 表示“敢；敢于”，主要用于疑问句、否定句和条件从句中，一般不用于肯定句。<span word="I">I</span> <span word="dare">dare</span> <span word="say">say</span>是习惯说法，意为“我想，大概” ①<span word="I">I</span> <span word="daren">daren</span>'<span word="t">t</span> <span word="catch">catch</span> <span word="the">the</span> <span word="mouse">mouse</span>. 我不敢捉老鼠。 ②<span word="How">How</span> <span word="dare">dare</span> <span word="she">she</span> <span word="do">do</span> <span word="things">things</span> <span word="like">like</span> <span word="that">that</span> <span word="to">to</span> <span word="me">me</span>? 她怎么敢对我做那种事？ <span word="ought">ought</span> <span word="to">to</span> 表示义务，意为“应当”，语气比<span word="should">should</span>强，表示不十分肯定或含蓄的推测，意为“应是，应该” ①<span word="You">You</span> <span word="ought">ought</span> <span word="to">to</span> <span word="work">work</span> <span word="harder">harder</span> <span word="than">than</span> <span word="before">before</span>. 你应该比以前更努力地工作。(表示义务) ②<span word="You">You</span> <span word="don">don</span>'<span word="t">t</span> <span word="look">look</span> <span word="well">well</span>.<span word="You">You</span> <span word="ought">ought</span> <span word="to">to</span> <span word="go">go</span> <span word="to">to</span> <span word="see">see</span> <span word="the">the</span> <span word="doctor">doctor</span>. 你气色不好，应该去看医生。(表示建议) 二、3组易混情态动词用法比较 情态动词 主要用法 典句例示 <span word="can">can</span> (<span word="could">could</span>)/ <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="can">can</span>/ <span word="could">could</span> <span word="can">can</span>只有现在式和过去式<span word="could">could</span>，表示一般能力 —<span word="No">No</span> <span word="one">one</span> <span word="can">can</span> <span word="be">be</span> <span word="compared">compared</span> <span word="with">with</span> <span word="Yao">Yao</span> <span word="Ming">Ming</span> <span word="in">in</span> <span word="playing">playing</span> <span word="basketball">basketball</span>. 在打篮球方面，没有谁能和姚明相比。 ——<span word="Oh">Oh</span>，<span word="you">you</span> <span word="are">are</span> <span word="really">really</span> <span word="his">his</span> <span word="big">big</span> <span word="fan">fan</span>. 噢，你真是他的忠实粉丝。 <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 有更多的形式，<span word="was">was</span>/<span word="were">were</span> <span word="able">able</span> <span word="to">to</span>表示通过努力、克服困难做成某事 <span word="The">The</span> <span word="fire">fire</span> <span word="spread">spread</span> <span word="through">through</span> <span word="the">the</span> <span word="hotel">hotel</span> <span word="very">very</span> <span word="quickly">quickly</span> <span word="but">but</span> <span word="everyone">everyone</span> <span word="was">was</span> <span word="able">able</span> <span word="to">to</span> <span word="get">get</span> <span word="out">out</span>. 大火迅速蔓延了整个旅馆，但每个人都得以出去。 情态动词 主要用法 典句例示 <span word="must">must</span>/<span word="have">have</span> <span word="to">to</span> <span word="must">must</span> 侧重表示说话人的主观看法；只有一种形式 <span word="Doctors">Doctors</span> <span word="say">say</span> <span word="that">that</span> <span word="exercise">exercise</span> <span word="is">is</span> <span word="important">important</span> <span word="for">for</span> <span word="health">health</span>，<span word="but">but</span> <span word="it">it</span> <span word="must">must</span> <span word="be">be</span> <span word="regular">regular</span> <span word="exercise">exercise</span>. 医生说锻炼对健康重要，但是必须是有规律的锻炼。 <span word="have">have</span> <span word="to">to</span> 表示客观需要，有多种形式 <span word="You">You</span> <span word="don">don</span>'<span word="t">t</span> <span word="have">have</span> <span word="to">to</span> <span word="buy">buy</span> <span word="a">a</span> <span word="gift">gift</span>，<span word="but">but</span> <span word="you">you</span> <span word="can">can</span> <span word="if">if</span> <span word="you">you</span> <span word="want">want</span> <span word="to">to</span>. 你没有必要买礼物，但如果你想买的话，你也可以买。 <span word="would">would</span>/<span word="used">used</span> <span word="to">to</span> <span word="would">would</span> 表示过去习惯性或重复性的动作，没有与现在对比的含义，不可用于无人称句或存在句 <span word="He">He</span> <span word="would">would</span> <span word="go">go</span> <span word="to">to</span> <span word="the">the</span> <span word="park">park</span> <span word="as">as</span> <span word="soon">soon</span> <span word="as">as</span> <span word="he">he</span> <span word="was">was</span> <span word="free">free</span>. 他常常一有空就去公园。 <span word="used">used</span> <span word="to">to</span> 表示过去经常发生的动作或存在的状态，强调今昔对比(意味着“现在不再……了”)，可用于无人称句或存在句 <span word="They">They</span> <span word="used">used</span> <span word="to">to</span> <span word="live">live</span> <span word="here">here</span>，<span word="didn">didn</span>'<span word="t">t</span> <span word="they">they</span>? 他们以前住在这里，是不是？ 情态动词 主要用法 典句例示 特别提醒 (1)<span word="can">can</span>的一些常用固定搭配 <span word="cannot">cannot</span> <span word="but">but</span> <span word="do">do</span> <span word="sth">sth</span>./<span word="cannot">cannot</span> <span word="help">help</span> <span word="but">but</span> <span word="do">do</span> <span word="sth">sth</span>./<span word="cannot">cannot</span> <span word="choose">choose</span> <span word="but">but</span> <span word="do">do</span> <span word="sth">sth</span>.表示“不得不，只好” <span word="cannot">cannot</span>/<span word="can">can</span> <span word="never">never</span>...<span word="enough">enough</span>/<span word="too">too</span>再……也不为过 (2)<span word="may">may</span>的一些常用固定搭配 <span word="may">may</span> <span word="well">well</span>＋动词原形意为“完全能，很可能”，<span word="may">may</span> <span word="as">as</span> <span word="well">well</span>＋动词原形意为“最好，倒不如”。 (3)<span word="mustn">mustn</span>'<span word="t">t</span>表示“禁止”“不许做某事” 回答用<span word="need">need</span>提问的问句时与回答用<span word="must">must</span>提问的问句时一样，肯定回答用<span word="must">must</span>，否定回答要用<span word="needn">needn</span>'<span word="t">t</span>或<span word="don">don</span>'<span word="t">t</span> <span word="have">have</span> <span word="to">to</span>。 ①<span word="I">I</span> <span word="cannot">cannot</span> <span word="choose">choose</span> <span word="but">but</span> <span word="go">go</span>. 我只好去。 ②<span word="You">You</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="careful">careful</span> <span word="enough">enough</span>. 你再细心也不为过。 ③<span word="Her">Her</span> <span word="appearance">appearance</span> <span word="has">has</span> <span word="changed">changed</span> <span word="so">so</span> <span word="much">much</span> <span word="that">that</span> <span word="you">you</span> <span word="may">may</span> <span word="well">well</span> <span word="not">not</span> <span word="recognize">recognize</span> <span word="her">her</span>. 她的模样变化太大，你很可能认不出她了。 ④<span word="You">You</span> <span word="may">may</span> <span word="as">as</span> <span word="well">well</span> <span word="do">do</span> <span word="it">it</span> <span word="at">at</span> <span word="once">once</span>. 你最好马上就做这件事。 三、5大表示推测的情态动词用法比较 情态 动词 适用 句式 适用 时态 意义 典句例示 <span word="must">must</span> 肯定句 一般时、进行时、完成时 一定、肯定 <span word="Jack">Jack</span> <span word="described">described</span> <span word="his">his</span> <span word="father">father</span>，<span word="who">who</span> <span word="must">must</span> <span word="have">have</span> <span word="been">been</span> <span word="a">a</span> <span word="brave">brave</span> <span word="boy">boy</span> <span word="many">many</span> <span word="years">years</span> <span word="ago">ago</span>，<span word="as">as</span> <span word="a">a</span> <span word="strong">strong</span><span word="willed">willed</span> <span word="man">man</span>. 杰克把他的父亲描述为一个意志坚强的人，他的父亲多年前肯定很勇敢。 <span word="can">can</span> (<span word="could">could</span>) 疑问句，否定句 一般时、进行时、完成时 可能，能够 <span word="It">It</span> <span word="can">can</span>'<span word="t">t</span> <span word="be">be</span> <span word="the">the</span> <span word="postman">postman</span> <span word="at">at</span> <span word="the">the</span> <span word="door">door</span>.<span word="It">It</span>'<span word="s">s</span> <span word="only">only</span> <span word="six">six</span> <span word="o">o</span>'<span word="clock">clock</span>. 现在才六点，门外的不可能是邮递员。 情态 动词 适用句式 适用 时态 意义 典句例示 <span word="May">May</span> (<span word="might">might</span>) 肯定句，否定句 一般时、进行时、完成时 也许，可能 —<span word="I">I</span> <span word="left">left</span> <span word="my">my</span> <span word="handbag">handbag</span> <span word="on">on</span> <span word="the">the</span> <span word="train">train</span>，<span word="but">but</span> <span word="luckily">luckily</span> <span word="someone">someone</span> <span word="gave">gave</span> <span word="it">it</span> <span word="to">to</span> <span word="a">a</span> <span word="railway">railway</span> <span word="official">official</span>. 我把手提包忘在火车上了，但幸运的是，有人把它交给了车站工作人员。 —<span word="How">How</span> <span word="unbelievable">unbelievable</span> <span word="to">to</span> <span word="get">get</span> <span word="it">it</span> <span word="back">back</span>！<span word="I">I</span> <span word="mean">mean</span>, <span word="someone">someone</span> <span word="might">might</span> <span word="have">have</span> <span word="stolen">stolen</span> <span word="it">it</span>. 能找回真是令人难以置信！我想，可能有人偷了呢。 情态 动词 适用句式 适用 时态 意义 典句例示 <span word="Should">Should</span> (<span word="ought">ought</span> <span word="to">to</span>) 肯定句，否定句 一般时 确定或期待，“应该” <span word="I">I</span> <span word="shouldn">shouldn</span>'<span word="t">t</span> <span word="have">have</span> <span word="watched">watched</span> <span word="that">that</span> <span word="movie">movie</span>—<span word="it">it</span>'<span word="ll">ll</span> <span word="give">give</span> <span word="me">me</span> <span word="horrible">horrible</span> <span word="dreams">dreams</span>. 我本来不应该看那部电影的——它会使我做噩梦的。 <span word="will">will</span>(<span word="would">would</span>) 肯定句、否定句、疑问句 一般时、进行时、完成时 大概 ①<span word="This">This</span> <span word="will">will</span> <span word="be">be</span> <span word="the">the</span> <span word="house">house</span> <span word="you">you</span>'<span word="re">re</span> <span word="looking">looking</span> <span word="for">for</span>. 这大概就是你找的那所房子了。 ②<span word="I">I</span> <span word="think">think</span> <span word="he">he</span> <span word="would">would</span> <span word="accept">accept</span> <span word="the">the</span> <span word="invitation">invitation</span>. 我想他会接受邀请的。 虚拟语气 一、状语从句中虚拟语气的用法 1．非真实条件句中虚拟语气的用法 <span word="if">if</span>条件从句 从句的谓语形式 主句的谓语形式 例句 表示现在情况 动词过去式(<span word="be">be</span>的过去式用<span word="were">were</span>) <span word="should">should</span>/<span word="would">would</span>/<span word="could">could</span>/<span word="might">might</span>＋动词原形 <span word="If">If</span> <span word="I">I</span> <span word="had">had</span> <span word="time">time</span>, <span word="I">I</span> <span word="would">would</span> <span word="go">go</span> <span word="there">there</span>. 表示过去情况 <span word="had">had</span>＋过去分词 <span word="should">should</span>/<span word="would">would</span>/<span word="could">could</span>/<span word="might">might</span>＋<span word="have">have</span>＋过去分词 <span word="If">If</span> <span word="you">you</span> <span word="had">had</span> <span word="come">come</span> <span word="earlier">earlier</span>, <span word="you">you</span> <span word="couldn">couldn</span>'<span word="t">t</span>/<span word="wouldn">wouldn</span>'<span word="t">t</span> <span word="have">have</span> <span word="missed">missed</span> <span word="the">the</span> <span word="bus">bus</span>. 表示将来情况 <span word="should">should</span>＋动词原形 <span word="should">should</span>/<span word="would">would</span>/<span word="could">could</span>/<span word="might">might</span>＋动词原形 <span word="If">If</span> <span word="it">it</span> <span word="should">should</span> <span word="rain">rain</span>/<span word="rained">rained</span>/<span word="were">were</span> <span word="to">to</span> <span word="rain">rain</span> <span word="tomorrow">tomorrow</span>, <span word="the">the</span> <span word="sports">sports</span> <span word="meeting">meeting</span> <span word="would">would</span> <span word="be">be</span> <span word="put">put</span> <span word="off">off</span>. 动词过去式 <span word="were">were</span> <span word="to">to</span>＋动词原形 2.目的状语从句 (1)<span word="so">so</span> <span word="that">that</span>/<span word="in">in</span> <span word="order">order</span> <span word="that">that</span>＋从句：从句谓语用<span word="can">can</span>/<span word="could">could</span>/<span word="may">may</span>/ <span word="might">might</span>＋动词原形。 <span word="We">We</span> <span word="got">got</span> <span word="up">up</span> <span word="early">early</span> <span word="in">in</span> <span word="order">order</span> <span word="that">that</span> <span word="we">we</span> <span word="could">could</span> <span word="catch">catch</span> <span word="the">the</span> <span word="early">early</span> <span word="bus">bus</span>. 我们早起是为了能赶上早班车。 (2)<span word="for">for</span> <span word="fear">fear</span> <span word="that">that</span>/<span word="in">in</span> <span word="case">case</span> <span word="that">that</span>＋从句：从句谓语用<span word="should">should</span>＋动词原形，意为“以防，万一”。 <span word="We">We</span> <span word="got">got</span> <span word="up">up</span> <span word="early">early</span> <span word="for">for</span> <span word="fear">fear</span> <span word="that">that</span> <span word="we">we</span> <span word="should">should</span> <span word="miss">miss</span> <span word="the">the</span> <span word="early">early</span> <span word="bus">bus</span>. 我们早起以防错过早班车。</p>
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