1、Be動詞的形式： be, is, am, are, was, were, being, been。
2、be動詞的用法：后面接名詞，形容詞，地點副詞，或短語做補足語。
3、be動詞的否定，在am, is, are, was, were 后面加 not, 縮略式am not, isn't, aren't, wasn't, weren't。
1、Be動詞的形式： be, is, am, are, was, were, being, been。
2、be動詞的用法：后面接名詞，形容詞，地點副詞，或短語做補足語。
3、be動詞的否定，在am, is, are, was, were 后面加 not, 縮略式am not, isn't, aren't, wasn't, weren't。