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第四章 动词和时态;知识梳理;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;【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 t
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