2017高考英语备考复习:语法篇-情态动词和虚拟语气
<p> 情态动词和虚拟语气</p><p> 1.情态动词的考查在高考试题中所占比重相对比较稳定,但难度有逐渐加大的趋势,大多数试题需要根据语境反复推敲才能确定其正确选项,其命题点主要体现在:</p><p> (1)表示揣测、请求、命令、警告、义务、责备、许可、能力等情感态度的情态动词的考查。</p><p> (2)情态动词在虚拟语气中的正确运用及某些情态动词特定语气的考查。</p><p> 2.近几年考查虚拟语气的考点呈上升趋势,但具体内容均为基本的虚拟语气句型熟记并活用。</p><p> 一、情态动词</p><p> 1.几组易混情态动词的基本用法</p><p> (1) <span word="can">can</span>与<span word="could">could</span>的用法</p><p> 在日常会话中表示“许可,容许”时,常用<span word="can">can</span>;当请求得到许可时,经常用<span word="could">could</span>,较为礼貌,而不用<span word="can">can</span>。</p><p> <span word="You">You</span> <span word="can">can</span> <span word="go">go</span> <span word="now">now</span>.你现在可以走了。</p><p> <span word="Could">Could</span> <span word="I">I</span> <span word="borrow">borrow</span> <span word="your">your</span> <span word="car">car</span>?我可以借用你的汽车吗?</p><p> <span word="can">can</span>还可以用于表示做某事的能力;谈论将来有能力做某事时,要用<span word="will">will</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span>;<span word="could">could</span>经常多地用于表示某人在某时期内拥有的能力。</p><p> <span word="I">I</span>’<span word="ll">ll</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="speak">speak</span> <span word="better">better</span> <span word="if">if</span> <span word="I">I</span> <span word="practise">practise</span> <span word="more">more</span>.</p><p> 我如果多练习,就会讲得更好。</p><p> <span word="I">I</span> <span word="could">could</span> <span word="swim">swim</span> <span word="when">when</span> <span word="I">I</span> <span word="was">was</span> <span word="eight">eight</span>.我8岁时,就会游泳。</p>
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