must be和must have be有什么区别谢谢
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/26 00:30:30
must be和must have be有什么区别
谢谢
简单地说:对过去情况作推测,用must have been;所对现在情况作推测,用must be.
比较:
He must be ill. 他一定是病了.(指现在有病)
He must have been ill. 他当时一定是有病 / 他一定生过病.(指过去有病)
He must be very rich. 他一定非常富有.(指现在有钱)
He must have been very rich. 他当时一定非常富有 / 他一定曾经富有过.(指过去富有过)
下面是几个must have been的例子,有一定的背景或语境,你可以体会一下:
She must have been very young when she got married. 她结婚时一定很年轻.
I didn't hear the phone. I must have been asleep. 我没有听到电话铃,我一定是睡着了.
When you got lost in the forest you must have been very frightened. 当你在森林里迷路的时候,你一定很害怕吧.
I must have been blind not to realize the danger we were in. 我一定是瞎了眼,连我们身临险境也看不出来.
这下你明白must be与must have been 的区别了吗?该不会再误用must have been与must be了吧!
must be,must和have be,have的区别
must be和must have be有什么区别谢谢
must have done和must be的区别?权威
must be done和 must have done区别
must be must have done 区别
must be和must have been有什么区别he must have been sleeping.为什么这里要用must have been而不用must be
must be
what must be must be!
must will be 和will must be 哪个对
must have been done/must be done求解两者异同
must have been和must be的区别要口诀,简短,易懂.
must be的用法和must have been的用法是什么?
Can be 和must be的区别
would be和must be的区别
may be和must be的不同
may be 和 must be区别.
be have to是否等于must to
must be happy must be young must be beautiful