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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第1页/共12页过去式be动词表示“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。then他那他那时时很年很年轻轻他他现现在很年在很年轻轻我父母现在在家我父母昨天在家yesterday第2页/共12页be动词过去式的否定句方法：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.Green wa
2、s a doctor.Green 先生是一位医生。（否定句）Mr.Green was not a doctor.Green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)Jack and Bob werent in the living room at that time.第3页/共12页be动词过去式的疑问句含有 be动词（was、were）的肯定句变为疑问句时,将be动词挪到主词前，句尾加？即可。肯定句：主语+(was&were)疑问句：Was（Were）+主语
3、?例：My hair was short last year.（疑问句）Was your hair short last year？例：They were at home yesterday.（疑问句）Were they at home yesterday？第4页/共12页be动词的疑问句，可用yes&no 回答。而答句中的主语需用代词。（问句）Was（Were）+主词?(答句)yes,主词+was&were例：Were you a teacher？你是一个老师吗？（答句）Yes,I was/No,I wasnt 是，我是/不，我不是。第5页/共12页Thats all!Thank you!第
4、6页/共12页一般动词的过去式 例：例：1、I walk to school every day.过去式：I _ to school .2、Mother goes to supermarket every morning.过去式：Mother _to a supermarket .过去时动词用过去式，不用管主语是什么！yesterdaywalkedyesterdaywent第7页/共12页一般动词（过去式）的否定句含有 一般动词（过去式）的肯定句变为否定句时，不可直接是一般动词的后面加not，需使用过去式助动词did。而did之后，必定出现原形动词。肯定句：主语+一般动词（过去式）否定句：主语
5、+did not+原形动词 第8页/共12页例：1、He watched TV last night.（否定句）He did not watch TV last night.=He didnt watch TV last night.2、My brother and I played basketball yesterday.(否定句)My brother and I did not play basketball yesterday 第9页/共12页一般动词（过去式）的疑问句 含有一般动词的（过去式）的肯定句拜年为疑问句时，不可将一般动词拿到主词前，必须使用过去式助动词did。而did 之后，必定出现原形动词。肯定句：主语+一般动词（过去式）.疑问句：did+主语+原形动词?第10页/共12页例：1、His friends went to the park last week.（疑问句）Did his friends go to the park last week？（答句）Yes,they did./No,they didnt.第11页/共12页感谢您的观赏！第12页/共12页