小升初英语总复习第四章动词和时态第五节一般过去时课件 21张PPT

课件21张PPT。第四章 动词和时态第五节 一般过去时 知识梳理一、一般过去时的用法 　　一般过去时表示在过去的某个时间里发生的动作或存在的状态。 标志时间词：yesterday, yesterday+时间, last+时间, ago, before, the day before yesterday, just now等。二、动词过去式的变化规则 1. 一般情况下，在动词词尾加ed。如：work—worked，listen—listened 2. 以不发音的e结尾的动词，在词尾加d。如：live—lived，close—closed 3. 以辅音字母加y结尾的动词，改y为i，再加ed。 如：cry—cried，study—studied 4. 以重读闭音节结尾，且词尾只有一个辅音字母的动词，双写最后这个辅音字母，再加ed。如：stop—stopped，drop—dropped 5. 不规则变化(需逐个记忆)。 如：am/is—was，are—were，do/does—did，bring—brought，come—came三、一般过去时的句型结构 1.肯定句：主语+be动词/动词的过去式+其他. 如：I watched a movie last night. They went to the park last weekend. 2.否定句： (1) 主语+be动词+not+其他. 如：Tom wasn't at home yesterday. (2) 主语+didn't+动词原形+其他. 如：Ben didn't come to school yesterday. We didn't go shopping last night. 3.一般疑问句：Be动词 / Did+主语+动词原形+其他? 如：Were you in school last Friday? Did your mother cook dinner last night? Did you wash your clothes last Sunday? 4.特殊疑问句：特殊疑问词+一般疑问句？ 如：I was at home yesterday. → Where were you yesterday? I watched a movie last night. → What did you do last night? They went to the park last weekend. → Where did they go last weekend?考点精析考点1 考查一般过去时的用法 【例1】 用所给动词的适当形式填空。 1. It　　　　　　 (be) Mary's birthday last Friday. 2. We all 　　　　　　(have) a good time last night. 　　解析:本题考查动词的过去式。1,2小题中的时间词last Friday 和last night 都是过去的时间，故而动词用过去式。 答案：1. was 2. had【例2】改错。 1. He didn't his homework last Sunday. _____ 2. They were play football after school yesterday. _____　　解析:本题考查一般过去时的动词形式。第1小题是过去式的否定句，此题只有助动词didn't，其后没有原形实义动词，“做作业”词组是do his homework, 故需要在didn't 之后加上do; 第2小题be动词were 在过去式的句子中表达状态，而该句的中心词play football是动词词组，故而不需要be动词的参与，直接将动词变成过去式形式就可以了。 答案: 1. He didn't do his homework last Sunday. 2. They played football after school yesterday.举一反三 1. 用 am， is， are， was， were 填空。 (1) Today _____ June 2nd. Yesterday_____ June 1st. It _____ Children‘s Day. All the children 　 _____very happy. (2) —_____ the teachers in the office just now？ —No， they _____ on the playground. And now， they _____ in the classroom. I _____ in the classroom， too. iswaswaswereWerewereaream2. 用所给动词的适当形式填空。 （1）Did you _____ (play) the piano yesterday? （2）I _____ (write) a letter last night. （3）Who _____ (clean) the window yesterday? （4）Sarah_____ (run) to school this morning. （5）Tom _____ (go) to the park last Sunday.playwrotecleanedranwent 3. 按要求改写下列句子。 (1) She visited her grandma last weekend.（就画线部分提问） _____ (2) There were five pictures in the room. (就画线部分提问) _____ (3) Did Mary h ... ...