我用am，I am
你用are, you are
单数is, 复数are
练习题：
请用be动词的适当形式填空
The girl _____ Jack's sister.
The dog _____ tall and fat.
The man with big eyes _____ a teacher.
_____ your brother in the classroom?
The man with big eyes _____ a teacher.
_____ your brother in the classroom?
The man with big eyes _____ a teacher.
_____ your brother in the classroom?
How _____ your father?
Mike and Liu Tao _____ at school.
Gao Shan’s shirt _____ over there.
My sister’s name _____ Nancy.
好了，你答对了多少呢？你会做这些题目ma ?
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