must have been在主句是一般过去式的宾语从句中变为must had been吗 ?两小时内给出答案
来源:学生作业帮 编辑:拍题作业网作业帮 分类:英语作业 时间:2024/11/01 07:38:35
must have been在主句是一般过去式的宾语从句中变为must had been吗 ?两小时内给出答案
很乐意为你解答这个问题!
首先要清楚must,can,should ,may,might 等等情态动词后面动词一定要用原型,也就是说must无论是做“猜测”还是“必须”的意思,后面一定是跟动词原形的.也就是说must have been是正确的说法.而你所提到的must had been是不存在的.我明白你是为了强调是过去的时态,但是在语法中must have been 就可以表示在过去时态下的意义.
例如:I thought he must have been at home last night.就表示:我认为他昨晚一定在家.
.
首先要清楚must,can,should ,may,might 等等情态动词后面动词一定要用原型,也就是说must无论是做“猜测”还是“必须”的意思,后面一定是跟动词原形的.也就是说must have been是正确的说法.而你所提到的must had been是不存在的.我明白你是为了强调是过去的时态,但是在语法中must have been 就可以表示在过去时态下的意义.
例如:I thought he must have been at home last night.就表示:我认为他昨晚一定在家.
.
must have been在主句是一般过去式的宾语从句中变为must had been吗 ?两小时内给出答案
must have/ must have been的区别
关于must have been
MUST have been done
must have been
宾语从句问题He said “I was born in 1998” 如何变为宾语从句?书上的讲解是主句为一般过去式时,
had been 是 was 的过去式吗
must have been与must have done的区别?
must have been done must have done
宾语从句中主句将来时,一般现在时,和一般过去式,那么从句是什么时态的
He must have been的用法.
关于must have been的用法