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事”试比较...
这两个结构都表示“过去不必做某事”,didn't need to do 通常表示“不必去做某事”,实际上也没做此事;而needn't have done则表示“本不必做某事”,从其言外之意可看出,此事已经做了。 Ididn't need to goto school this Sunday, so I didn't get up until 9 a.m. 我这个星期天不必上学,因此我直到...
needn’t have done 主要表示某事已经做了,但后来觉得没必要去做,因此常含有责备或遗憾之意;didn’t need to do 则不具体表明某事是否做了(即可能做了也可能没有做,此用法中的need为实意动词): I got up early, but I needn’t have done so, because I had no work to do that morning. 我起床起...
题目 didn't need to do 与needn't have done 的区别和相同点 答案 前者是不需要做某事 后者是不应该做某事 重点强调事情做了而且对现在产生了影响 相关推荐 1 didn't need to do 与needn't have done 的区别和相同点 反馈 收藏
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. ...
didn't need to do 过去时 意思： 没必要去做某事 （事情还未做）needn't have done 一般现在时 意思： 没必要做了某事 （事情已做好）
结论是，"needn't have done"和"didn't need to do"虽然都与"need"有关，但它们在用法和含义上存在显著差异。首先，"needn't have done"是情态动词的用法，暗示了一个动作已经发生，而实际上是不必要的，带有"本不需要"的含义，用在对过去行为的评价中，通常用于表示后悔或过分的行为。例如，"I...
needn't have done和didn't need to do 有什么不同?相关知识点: 试题来源: 解析 动词的分类上,前者的need为情态动词,后者为实意动词.意思上,前者表示某件事没必要做却已经做了,表示已经做了这件事;而后者只是主语在过去时表示某件事必不必要做,做了没有并不清楚....
题目didn't need to do 和 needn't have done 都有“之意,但是 didn't need to do是指“;而 needn^3thavedone则表示“ 相关知识点: 试题来源: 解析 过去不必做某事过去没必要做,实际上也没有做过去虽然没必要做,但已经做了某事 反馈 收藏
对比填空,并体会didn't need to do和 needn't havedone的区别。1. ①He was so young that he(buy)a ticket.②You(buy)a boxof chocolates. We have some at home.2.①I(go)to schoolthis Sunday, so I didn't get up until 9 a. m.②I(go)to schooltoday, but I forgot it was Sunday ...