问题描述:
have to ,时态,Must,it is/was neccesary to do
it was necessary for him to go out last night
看了很多不同出版社的参考书答案都是 i've had to go out last night
请问1.怎么理解这个答案,不是for him 怎么答案变成了i 做主语了?
2.was 是一般过去时态呀,怎么到了下面变成了have had了?
it was necessary for him to go out last night
看了很多不同出版社的参考书答案都是 i've had to go out last night
请问1.怎么理解这个答案,不是for him 怎么答案变成了i 做主语了?
2.was 是一般过去时态呀,怎么到了下面变成了have had了?
问题解答:
我来补答展开全文阅读