to have done用法是什么?
to have something done是指做好某事,但这事不是你自己做的。
1、表示发生在谓语动作之前的动作。
如:
He seems to have caught a cold.
他似乎感冒了。
I hate to have quarreled with her.
我后悔和她吵架了。
I'm sorry to have given you so much trouble.
对不起给了你这么多麻烦。
2、表示在某个给定的时间之前已完成的动作。
如:
I hope to have finished the work by now.
我希望现在以前已完成这项工作。
3、表示过去未曾实现的想法和愿望。
如:
I should like to have come earlier.
我本想早点来的。
We were to have been married last year.
我们本来打算去年结婚的。
扩展资料:
ought to/should have done sth.过去本应该做某事而实际上并没有做
1、You should have done it when you first saw them blooming this spring.
你应该在今年春天第一次看到它们盛开的时候就挖一些的。
2、Even if it’s something you should have done earlier in the week or missed a detail on.
甚至你在一个星期前的就提早完成了一件事或者忽略了一个小细节。