情态动词+ have +过去分词
<p> 1) <span word="may">may</span>(<span word="might">might</span>) <span word="have">have</span> + <span word="done">done</span> <span word="sth">sth</span>, <span word="can">can</span> (<span word="could">could</span>) <span word="have">have</span> + <span word="done">done</span> <span word="sth">sth</span> 表示过去，推测过去时间里可能发生的事情。</p><p> <span word="Philip">Philip</span> <span word="may">may</span> (<span word="might">might</span>) <span word="have">have</span> <span word="been">been</span> <span word="hurt">hurt</span> <span word="seriously">seriously</span> <span word="in">in</span> <span word="the">the</span> <span word="car">car</span> <span word="accident">accident</span>.</p><p> <span word="Philip">Philip</span> <span word="can">can</span> (<span word="could">could</span>) <span word="have">have</span> <span word="been">been</span> <span word="hurt">hurt</span> <span word="seriously">seriously</span> <span word="in">in</span> <span word="the">the</span> <span word="car">car</span> <span word="accident">accident</span>.</p><p> 2) <span word="must">must</span> <span word="have">have</span> +<span word="done">done</span> <span word="sth">sth</span>，对过去时间里可能发生的事情的推测，语气较强，具有肯定，谅必的意思。</p><p> ---<span word="Linda">Linda</span> <span word="has">has</span> <span word="gone">gone</span> <span word="to">to</span> <span word="work">work</span>, <span word="but">but</span> <span word="her">her</span> <span word="bicycle">bicycle</span> <span word="is">is</span> <span word="still">still</span> <span word="here">here</span>.<span word="http">http</span>://<span word="yingyu">yingyu</span>.<span word="chazidian">chazidian</span>.<span word="com">com</span></p><p> ---<span word="She">She</span> <span word="must">must</span> <span word="have">have</span> <span word="gone">gone</span> <span word="by">by</span> <span word="bus">bus</span>.</p><p> 3) <span word="ought">ought</span> <span word="to">to</span> <span word="have">have</span> <span word="done">done</span> <span word="sth">sth</span>, <span word="should">should</span> <span word="have">have</span> <span word="done">done</span> <span word="sth">sth</span></p><p> 本应该做某事，而事实上并没有做。否定句表示不该做某事而做了。</p><p> <span word="You">You</span> <span word="ought">ought</span> <span word="to">to</span> (<span word="should">should</span>) <span word="have">have</span> <span word="been">been</span> <span word="more">more</span> <span word="careful">careful</span> <span word="in">in</span> <span word="this">this</span> <span word="experiment">experiment</span>.</p><p> <span word="He">He</span> <span word="ought">ought</span> <span word="not">not</span> <span word="to">to</span> <span word="have">have</span> <span word="thrown">thrown</span> <span word="the">the</span> <span word="old">old</span> <span word="clothes">clothes</span> <span word="away">away</span>.（事实上已扔了。）</p><p> <span word="ought">ought</span> <span word="to">to</span> 在语气上比<span word="should">should</span> 要强。</p><p> 4) <span word="needn">needn</span>’<span word="t">t</span> <span word="have">have</span> <span word="done">done</span> <span word="sth">sth</span> 本没必要做某事</p><p> <span word="I">I</span> <span word="dressed">dressed</span> <span word="very">very</span> <span word="warmly">warmly</span> <span word="for">for</span> <span word="the">the</span> <span word="trip">trip</span>, <span word="but">but</span> <span word="I">I</span> <span word="needn">needn</span>’<span word="t">t</span> <span word="have">have</span> <span word="done">done</span> <span word="so">so</span>. <span word="The">The</span> <span word="weather">weather</span> <span word="was">was</span> <span word="hot">hot</span>.</p><p> 5) <span word="would">would</span> <span word="like">like</span> <span word="to">to</span> <span word="have">have</span> <span word="done">done</span> <span word="sth">sth</span> 本打算做某事 </p><p> <span word="I">I</span> <span word="would">would</span> <span word="like">like</span> <span word="to">to</span> <span word="have">have</span> <span word="read">read</span> <span word="the">the</span> <span word="article">article</span>, <span word="but">but</span> <span word="I">I</span> <span word="was">was</span> <span word="very">very</span> <span word="busy">busy</span> <span word="then">then</span>.</p></p>
页:
[1]