be 动词,一般动词 过去式Be 动词的过去式was were现 在式 过 去式be 动词 amisare was were过去式be 动词表示“ 过去的时间发生的状态”1 、(现 在式)He is busy now. 他现 在很忙 ( 过 去式)He was busy then. 他那时 很忙2 、(现 在式)My parents are at home now. 我父母现 在在家 ( 过 去式)My parents were at home yesterday. 我父母昨天在家时间副词改变,动词也必须改变。 be 动词过去式的否定句含有be 动词(was 、were )的肯定句变为否定句时,在be 动词后面加not 即可。 1 、Mr.Brown was not a vet. Brown 先生是一位兽医(否定句)Mr.Brown was not a vet. Brown 先生不是兽医 = Mr.Brown wasnt vet. 2 、Joe and Brian were in the living room at that time. (否定句)Joe and abrain wer