could have done是什么時(shí)態(tài)

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瑞文問(wèn)答

2024-06-28

虛擬語(yǔ)態(tài)have done，是已經(jīng)完成, could 可能could have done 可能已經(jīng)完成,那么代表事實(shí)上并沒(méi)有完成此處用來(lái)表示一種對(duì)已經(jīng)無(wú)法改變事情的假設(shè)。

擴(kuò)展資料

　　例句：

　　Her hair could have done with a wash.

　　她的頭發(fā)該洗一洗了。

　　I could have done without being woken up at three in the morning.

　　其實(shí)用不著在凌晨三點(diǎn)鐘就把我叫醒。

　　She was away from school for 15 weeks, a handicap she could have done without

　　她有15周沒(méi)上學(xué)，這給她帶來(lái)了本不該有的障礙。

　　Whoever could have done such a dreadful thing?

　　究竟是誰(shuí)能干出這種可怕的事呢？

　　It was hard to visualize how it could have been done.

　　很難想象這是如何辦到的。