疑问句什么时候用do什么时候用be

如题所述

第1个回答  2023-03-31
当句子有实意动词的时候,变疑问句和否定句的时候,用助动词do/ does/ did.
当句子没有实意动词而是有be (是连系动词或助动词)的时候,就用直接用be的不同形式,提问。
如:Do you get up early? Does he like English?Did he come to see you yesterday? (以上三句话都有实意动词)
再如: Are you a teacher? Is he watching TV?
Were you doing your homework at 7 last night? (这三句话都是be的不同形式)
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