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