江苏省姜堰市张甸中学高三英语牛津依林版一轮复习：模块必修2《Unit 1 Tales of the unexplained》现在完成时和现在完成进行时 课
<p> 现在完成时 1.构成 <span word="have">have</span>/<span word="has">has</span> + 过去分词（<span word="done">done</span>） 通常使用现在完成时的几种情况 （1）表示过去发生的某一动作对现在造成的结果或影响。</p><p> <span word="The">The</span> <span word="disappearence">disappearence</span> <span word="of">of</span> <span word="Justin">Justin</span> <span word="has">has</span> <span word="made">made</span> <span word="Kelly">Kelly</span> <span word="very">very</span> <span word="unhappy">unhappy</span>. （2） 表示动作从过去开始，持续到现在。 <span word="Justin">Justin</span> <span word="has">has</span> <span word="lived">lived</span> <span word="in">in</span> <span word="Dover">Dover</span> <span word="since">since</span> <span word="he">he</span> <span word="was">was</span> <span word="born">born</span>. （3）表示动作的确切时间不明确或不重要</p><p> <span word="The">The</span> <span word="boy">boy</span> <span word="has">has</span> <span word="already">already</span> <span word="come">come</span> <span word="home">home</span>. (4) 表示刚结束的动作</p><p> <span word="The">The</span> <span word="police">police</span> <span word="have">have</span> <span word="just">just</span> <span word="finished">finished</span> <span word="searching">searching</span> <span word="Justin">Justin</span>’<span word="s">s</span> <span word="home">home</span>. (5) 表示反复发生的动作</p><p> <span word="Some">Some</span> <span word="villagers">villagers</span> <span word="say">say</span> <span word="that">that</span> <span word="they">they</span> <span word="have">have</span> <span word="seen">seen</span> <span word="UFOs">UFOs</span> <span word="many">many</span> <span word="times">times</span>. 常与现在完成时连用的时间状语 (1). 情况 (1)(3)(4)</p><p> <span word="already">already</span>, <span word="yet">yet</span>, <span word="ever">ever</span>, <span word="just">just</span>, <span word="recently">recently</span>, <span word="lately">lately</span>, <span word="never">never</span>, <span word="before">before</span>(<span word="adv">adv</span>.) ①<span word="The">The</span> <span word="boy">boy</span> <span word="has">has</span> <span word="already">already</span>/<span word="just">just</span> <span word="got">got</span> <span word="home">home</span>. ②<span word="I">I</span> <span word="haven">haven</span>’<span word="t">t</span> <span word="heard">heard</span> <span word="from">from</span> <span word="him">him</span></p><p> <span word="yet">yet</span>/<span word="recently">recently</span>/<span word="lately">lately</span>. ③<span word="I">I</span> <span word="have">have</span> <span word="seen">seen</span> <span word="the">the</span> <span word="old">old</span> <span word="man">man</span> <span word="somewhere">somewhere</span> <span word="before">before</span>. (2). 情况 (2) <span word="since">since</span>/<span word="for">for</span> <span word="I">I</span> <span word="have">have</span> <span word="lived">lived</span> <span word="in">in</span> <span word="Beijing">Beijing</span> <span word="since">since</span> 2000.</p><p> <span word="since">since</span> <span word="I">I</span> <span word="arrived">arrived</span> <span word="here">here</span>.</p><p> <span word="for">for</span> 5 <span word="years">years</span>. (3). 情况 (5) <span word="times">times</span>, <span word="recently">recently</span>, <span word="lately">lately</span> <span word="Some">Some</span> <span word="villagers">villagers</span> <span word="say">say</span> <span word="that">that</span> <span word="they">they</span> <span word="have">have</span> <span word="seen">seen</span> <span word="UFOs">UFOs</span> <span word="many">many</span> <span word="times">times</span>/<span word="recently">recently</span>/<span word="lately">lately</span>. 现在完成进行时 1.构成 <span word="have">have</span>/<span word="has">has</span> + <span word="been">been</span> + 现在分词（<span word="doing">doing</span>）</p><p> 通常使用现在完成进行时的几种情况 (1) 表示过去开始的动作一直延续到现在并仍在继续之中</p><p> <span word="She">She</span> <span word="has">has</span> <span word="been">been</span> <span word="talking">talking</span> <span word="to">to</span> <span word="me">me</span> <span word="since">since</span> <span word="she">she</span> <span word="saw">saw</span> <span word="me">me</span>. (2) 表示过去开始的动作刚结束并在某种情况下与现在有关联</p>
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