must+have done用法解析 done是什么意思
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 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错了路。
He must have fallen from a great 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。
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done意思 done用法解析 must+have