Be动词讲解及练习 Be 动词的用法： 一、Be动词包括：am ,is , are 口诀：我用am, 你用are, is用在他她它，复数全用are。1、肯定和否定句 ：否定句：在Be动词后加notI am (not) from Canada. He is(not) a student. She is(not) in the reading room. My nose is(not) big. His eyes are(not) small. 2、一般疑问句：把Be动词提到句首 I am Chinese. Am I Chinese? Yes, you are. No, you arent. They are teachers. Are they teachers? Yes, they are. No, they arent. The cat is mine. Is the cat yours? Yes, it
