小学英语易错语法知识点归类-Be 动词的用法 Be 动词的用法： (1) Am-was Is -was Are-were 口诀：我用 am, 你用 are, is 用在他她它，复数全用 are。 (2) 肯定和否定句 I am (not) from London. He is(not) a teacher. She is(not) in the dining room. My hair is(not) long. Her eyes are(not) small. (3) 一般疑问句 Am I a Chinese? Yes, you are. No, you arent. Are they American? Yes, they are. No, they arent. Is the cat fat? Yes, it is. No, it isnt. there be 结构 肯定句： There is a There are 一般疑问句:Is there ? Yes, there is./ No, there isnt. Are there? Yes, there are. /No, there arent. 否定句： There isnt . There arent.
