英语里的is是什么意思,一般代表什么?
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英语里的is是什么意思,一般代表什么?

英语中is 属于BE 动词中一种,还有两个是:am ,are

am,is,are 有2种用法,

(1)充当系动词使用,构成:主语+系动词+表语 用法,

记忆口诀:我用am; 你用are,他,她,它用is ,复数全用are

I am a student

We are students

She is a student

They are students

(2)充当助动词使用,构成:主语+谓语或者是 主语+谓语+宾语的用法,

记忆口诀:我用am; 你用are,他,她,它用is ,复数全用are

She is sleeping

It is sleeping

They are sleeping

you are watching TV

I am doing my homework

We are playing football

The cup is broken by Tom