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助动词与一般动词的区别在于它不充当什么成分而充当什么成分

发表时间:2024-08-16 16:34:14 来源:网友投稿

在充当成分上没有什么区别,都是做谓语,但是助动词,比如be will can是可以左边移的,用来直接引导疑问句和否定句,而一般的动词是不能移动的。

一般动词可以在句子中担任谓语,而助动词不行。助动词顾名思义,是帮助实意动词的,它的作用是帮助动词构成疑问句,否定句或时态,语态。常用的助动词有 do,be, have, 和will, shall等,在使用时,要根据情况作人称和时态的变化。如:

1. Do you like sports and does your brother like sports?I didn't go to the meeting last week.注:助动词do/does/ did 帮助动词构成疑问句,否定句。

2. Li Ming has finished his homework and is playing computer games.注:助动词has 和is 分别帮助动词构成时态(完成时和进行时)The kids will have a spring outing tomorrow.注:助动词will 帮助动词构成时态(一般将来时)

3. He was very happy as he was praised by his teacher for his progress.

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