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在英语中,助动词是用来协助主要动词完成时态、语态、构成疑问句和否定句,以及加强语气的。以下是一些使用助动词的句子示例:
1. 构成一般疑问句:
Do you like college life?
Can you sing English songs?
2. 构成否定句:
He doesn't like English.
She may lose her way.
3. 构成疑问句,强调动作:
Did you study English before you came here?
4. 表示时态:
He is singing.
He has got married.
5. 表示语态:
He was sent to England.
6. 加强语气:
Do come to the party tomorrow evening.
He did know that.
请注意,助动词本身没有词义,不能单独使用,必须与主要动词一起构成谓语