If I had been there, I would have helped him.
如果我那时在那儿,我就帮助他了。
If I had had a single cent, I could have lent it to you.
如果我当时有一分钱我也能借给你。
18. should / ought to have done sth 表示过去应该做某事而实际上没有做到;其否定式则表示过去不应该做某事而实际上做了,含责备的意味。例如:
Jenny should have kept her word, I wonder why she changed her mind.
詹妮应该说话算数的,我不知道她为什么改变了主意。
Tom ought not to have told me your secret but he meant no harm.
汤姆本不该把你的秘密告诉我的,但他并没有恶意。
19. could have done sth 表示过去可能发生但事实上并未发生某事。例如:
I stayed at a hotel while in New York.
Oh, did you? You could have stayed with Barbara.
我在纽约的时候住在一家旅馆里。
啊,是吗?你本来是可以和巴巴拉住在一起的。
20. would have done 表示过去想实现但实际上未实现的愿望或要求。例如:
I would have walked there but something was wrong with my leg.
【高中英语语法-“未曾实现的愿望、打算”表达法种种(二)】相关文章:
★ 高中英语语法 感官动词 + doing/to do 的用法
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