would have been与could have been分别是什么意思?

would have been与could have been都是虚拟语气中用来表示与过去事实相反的情况的表达方式。would have been:主要用法:表示对过去某种情况的假设或推测,强调事情在实际上...

couldhavebeen与wouldhavebeen有什么区别?

“could”和“would”的使用区分在于它们强调的方面不同:“could have + 过去分词”强调过去有执行某事的能力但并未执行。“would have + 过去分词”强调意愿或可能性,...

can,could,may,might,will,would的区别请问上述词的...

If I had been less cautious I might have seen more wise. 如果我不那么谨慎,或许反倒聪明点. 2. could/can + have done 表埋怨,能做的没做 could/can not + have done...

怎么理解这个句子里的 could be seen 用被动?

之所以用被动"he could be seen {by people}"而非"people could see him",作者要表达的并非他人能够或可能看到的事实(could表示能力或可能),...房子是被打扫的,衣服是被洗的,所以英文表达应该是:The house is/has been cleaned, the clothes are/have been washed,...

在英语里coms been、must been和may been和come have been...

你说的应该是can/could be、must be、may/might have been、must have been can/could be:表猜测,可能 must be:一定 may/might be:可能,语气比can/could弱 must...

could 的用法

could 后面是+be,,been,,being???然后后面是+动词的原形还是什么???解析:很简单,could 是情态动词的标志,后面只能加动词原形,要加be动词的话,只能加be,不能加...

情态动词could may might都是表委婉请求,有什么区别...

情态动词"Might," "may," and "could" 都用于表示可能性或推测,但在某些情况下它们的用法略有不同用法总结"Might" (可能会)"Might" ...Answer: MayI ___ have been wrong about the time of the movie.Answer: mayShe ___ have left her wallet at the restaurant.Answer:...

如何学习语法情态动词:can、could - 百度经验

小学六年级英语语法辅导:情态动can、couldcan的词义表示体力或脑力方面的“能力”或客观上的“可能”。如:Canyourideabike?Yes,Ican.你能骑自行车吗?是的,...

什么时候用can?什么时候用could?二者有什么区别和联系...

have (时间助动词,表示现在时间) been (进行助动词) waiting (状态主动词)谓语动词(时态)公式:谓语动词 = 时间助动词 + 状态主动词 ...

could have been是什么时态

could,must,may,can这些类似的都是情态动词,后面要接动词原形。“用于if引导的非真实条件句中,可表示与事实相反或实现的可能性不大的情况。 扩展资料 一、情态...

相关搜索