英语语法大全：过去将来完成时
<p> 【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了小学英语语法大全，希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。</p><p> 过去将来完成时</p><p> 形式</p><p> <span word="should">should</span> / <span word="would">would</span> <span word="have">have</span> <span word="done">done</span> <span word="sth">sth</span>.</p><p> 用法</p><p> 1、 过去将来完成时表示在过去将来某一时间以前发生的动作，并往往会对过去将来某一时间产生影响。</p><p> <span word="I">I</span> <span word="thought">thought</span> <span word="youd">youd</span> <span word="have">have</span> <span word="left">left</span> <span word="by">by</span> <span word="this">this</span> <span word="time">time</span>. 我想这会儿你已经走了。</p><p> <span word="He">He</span> <span word="told">told</span> <span word="them">them</span> <span word="he">he</span> <span word="would">would</span> <span word="have">have</span> <span word="finished">finished</span> <span word="it">it</span> <span word="by">by</span> 8 <span word="oclock">oclock</span>. 他告诉他们他会在8点以前干完。</p><p> <span word="I">I</span> <span word="guessed">guessed</span> <span word="that">that</span> <span word="Helen">Helen</span> <span word="would">would</span> <span word="have">have</span> <span word="told">told</span> <span word="her">her</span> <span word="something">something</span>. 我猜海伦会告诉她一些情况的。</p><p> 2、 过去将来完成时还常用在虚拟语气中，表示与过去的事实相反。</p>
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