be动词和一般动词的过去式.ppt

be动词，一般动词 过去式,Be动词的过去式,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 werent in the living room at that time.,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?,例：Wendy was in the seventh grade last year.,（疑问句）,Was Wendy in the seventh grade last year？,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 pianist？你是钢琴家吗？（答句）Yes,I was/no,Iwasnt 是，我是/不，我不是。,一般动词的过去式,例：1、I walk to school every day.过去式：I walked to school yesterday.,2、Mother goes to supermarket every morning.过去式：Mother went to a supermarket yesterday.,主语为第三人称单数时，过去式动词不需加s,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+did not+原形动词,例：1、He called you last night.,（否定句）He did not call you last night.=He didnt call you last night.,2、My sister and I watched TV all day yesterday.,(否定句)My sister and Idid not watch TV all day yesterday,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?,例：1、His friends went to that movie last week.,（疑问句）Did his friends go to that movie last week？,（答句）Yes,they did/No,they didnt,