done是什么意思（must+have done用法解析）

1.must+havedone过去一定做了某事（对过去的事情一种肯定的猜测、推测），如：HesaidImusthavedonesomethingbadtodeserveit.他说我肯定是罪有应得。Thatcarmusthavecostapacket.那辆汽车一定花了一大笔钱。Ithinkwemust

1. must+have done过去一定做了某事（网对过去的事情一种肯定的猜测、推测），如：

He said I must have done something bad to deserve it.

他说我肯定是罪有应得。

That car must have cost a packet.

那辆汽车一定花了一大笔钱。

I think we must have taken a wrong turning somewhere.

我觉得我们一定是在什么地方拐网错了路。

He must have fallen from a gr网eat height.

他肯定是从很高的地方摔下来的。

He must have known what she wanted.

他一定早已知道她想要什么了。

That car must have cost a bundle.

那部车一定价格不菲。

That dress must have cost a bomb!

那条连衣裙所费不菲吧！

She reasoned that she must have left her bag on the train.

她断定准是把包落在火车上了。