must be后面可以加动词吗

问题描述:

must be后面可以加动词吗
1个回答 分类:英语 2014-10-02

问题解答:

我来补答
must be 后面可接名词,形容词,介词短语;如果接动词,动词必须采用ing形式或过去分词.
如:
He must be a student.(接名词)
He must be from America.(接介词短语)
She must be watching TV at home.(接动词ing形式)
The bike must be repaired at once.(接动词过去分词)
 
 
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