2017届高考英语一轮复习学通语法课件：第12讲 情态动词和虚拟语气（新人教版）
<p> [典题精选] [我来改正] [常设误点] [典题精选] [我来改正] [常设误点] [典题精选] [我来改正] [常设误点] 突破常考点 演练大冲关</p><p> 把脉易错点 第十二讲</p><p> 情态动词和虚拟语气 [名师指津]</p><p> 情态动词＋<span word="have">have</span> <span word="done">done</span> 用 法 <span word="must">must</span> <span word="have">have</span> <span word="done">done</span> 一定做过某事，其否定形式为<span word="can">can</span>’<span word="t">t</span>/<span word="couldn">couldn</span>’<span word="t">t</span> <span word="have">have</span> <span word="done">done</span> <span word="can">can</span>/<span word="could">could</span> <span word="have">have</span> <span word="done">done</span> 1．本来能够做某事但却未做 2．可能做过某事 <span word="can">can</span>’<span word="t">t</span>/<span word="couldn">couldn</span>’<span word="t">t</span> <span word="have">have</span> <span word="done">done</span> 不可能做过某事 <span word="may">may</span>/<span word="might">might</span></p><p> <span word="have">have</span> <span word="done">done</span> 或许/可能做过某事 <span word="should">should</span>/<span word="ought">ought</span> <span word="to">to</span> <span word="have">have</span> <span word="done">done</span> 本该做但却未做，其否定形式表示本不该做但却做了 <span word="needn">needn</span>’<span word="t">t</span> <span word="have">have</span> <span word="done">done</span> 做了本没有必要做的事情 <span word="if">if</span>条件从句 从句的谓语形式 主句的谓语形式 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 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 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 动词过去式 <span word="were">were</span> <span word="to">to</span>＋动词原形</p>
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