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简介:
一、be动词的用法
口诀:be动词是个妈,生了三个娃:am is are
1.我(I)用am,你(you)用 are,is连着他(he)/她(she)/它(it)
I am a student. (主语是I,be动词用am)
You are a teacher.(主语是You,be动词用are)
He is a cook.(主语是He,be动词用is)
She is a doctor.(主语是She,be动词用is)
It is a dog.(主语是It,be动词用is)
2.单数、不可数名词用is,复数名词全用are
The dog is cute.(The dog是单数,be动词用is)
The water is clean. (The water不可数,be 动词用is)
These apples are red.(These apples是复数,be 动词用are)
3.变疑问句,作前提,句