用法归纳1.needn't have done 表示过去做了本来不必做的事情。2.must have done表示对过去已经发生过的情况的肯定推测,语气较强,意思是“一定,肯定”。3.can/could have done 一般用于否定句、疑问句中,表示对过去某种情况的怀疑或不确定,could 的语气较弱,其否定形式为⑦,意为“不可能”。 could have done...
情态动词 (didn't need to do 与 needn't have done)知识梳理didn't need表示在过去没有必要做,实际上也to do没做。needn't表示在过去没有必要做,实际上已经have done做了。1. didn't need to do 表示“没必要,实际上也没有做某事”needn't have done 表示“本没有必要做某事,但实际上已经做了某...
"needn't have done"是一个常用且非常实用的短语,在英语口语生活中使用频率很高。仔细理解和掌握这个短语的用法和含义,可以帮助我们更好地表达我们的想法和情感,有效地与他人沟通,增强语言交流的准确性和流畅性。除了日常口语,"needn't have done"也是在商业和学术场景中经常用到的短语。 在商业领域,"needn't hav...
needn't have done意指没必要干某件事但多余地干了,即浪费了时间: You needn't have watered the flowers,for it is going to rain. 你本不必浇那些花,因为就要下雨了。(你浪费了时间。) You needn't have written such a long essay.The teacher only as...
5) would like to have done sth 本打算做某事 I would like to have read the article, but I was very busy then. 以上是新东方在线六级语法频道为考生整理的“2025年6月英语六级语法考点精练:needn‘t have done sth”相关内容,预祝大家都能取得好成绩!
解析 needn't have done表示: 过去不必做某事,但事实上做了. John went to the station.He need not have done it. (他本不需要做这件事.) need have done表示有必要做,但是没有做的事. You need have told me about it,but you don't,why?
needn't have done的意思是:本来没有必要做某事,最后却做了.就像本题,本来不需要穿那么正式的,最后却穿了,have done这种结构通常表示虚拟. 相关推荐 1needn't have done是什么意思?有何用法?As it turned out to be a small house party,we (needn't have dressed up)so formally.为什么用括号内? 2 ...
2.needn,t +have done表示本来不需要做或不必做的事情,但实际上却做了,"本来不必…" "本来不需要…"如: You needn,t have hurried.你当时实在不必那么匆忙。 She neednzt have come in person-a letter would have beenenough.她本不必亲自来写封信来就足够了。 You needn't have written such a long...
needn't have done从用法上,是情态动词,didn't need to do是实义动词。从意义上,needn't have done暗示已经做了,有“本不需要”的意思,didn't need to do暗示还没有做,就是纯粹地“不需要”。例如:I got up early, but I needn’t have done so, because I had no work to do that morning. ...
一、needn't have done的用法。needn't have done意指没必要干某件事但多余地干了，即浪费了时间：You needn't have watered the flowers，for it is going to rain．你本不必浇那些花，因为就要下雨了。（你浪费了时间。）You needn't have written such a long essay．The teacher only asked...