be动词和一般动词的过去式.ppt
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1、Be动词的过去式was were现在式过去式be 动词amisare was were过去式过去式be动词表示动词表示“过去的时间发生的状态过去的时间发生的状态”1、He is young now. He was young . 2.My parents are at home now. My parents were at home . 时间副词改变,动词也必须改变。时间副词改变,动词也必须改变。 then他那时时很年轻轻他现现在很年轻轻我父母现在在家我父母现在在家我父母昨天在家我父母昨天在家yesterdaybe动词过去式的否定句动词过去式的否定句方法:含有方法:含有be动词(动词(was
2、、were)的肯定句变为否定句时,在的肯定句变为否定句时,在be动动词后面加词后面加not即可即可。 1、Mr.Green was a doctor. Green 先生是一位医生。先生是一位医生。(否定句)(否定句)Mr.Green was not a doctor. Green先生不是医生。先生不是医生。 = Mr.Green wasnt a doctor.2.Jack and Bob were in the living room at that time. (否定句否定句)Jack and Bob werent in the living room at that time. be动词过
3、去式的疑问句动词过去式的疑问句含有含有 be动词(动词(was、were)的肯定句变为疑问句时)的肯定句变为疑问句时,将将be动词挪到主词前,句尾加动词挪到主词前,句尾加 ?即可。?即可。肯定句:主语肯定句:主语 +( was & were)疑问句:疑问句:Was(Were)+ 主语主语 ?例:例:My hair was short last year.(疑问句)(疑问句) Was your hair short last year ? 例:例:They were at home yesterday.(疑问句)(疑问句) Were they at home yesterday? be动词的疑问
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