初中英语一般过去时.pptx

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1、一般过去时一般过去时 （一）一般过去时的用法： 一般过去时表示过去某个时间里发生的动作或状态，也可表示过去习惯性或经常性的动作和行为。 I did my homework last night. She walked to school every day last year. （二）一般过去时的谓语构成 1. be动词的过去式构成 2. 行为动词的过去式构成 He was late for school yesterday morning. I went to the park with my parents last weekend.（三）常与一般过去时连用的时间状语 yesterday,

2、 the day before yesterday, last weekend (year, week, month, night), in 2007, three days (years, weeks, months) ago, just now, long long ago, one day.（四）动词过去式的构成 1. 规则动词过去式的构成 1）一般动词在词尾直接加-ed playplayed cleancleaned walkwalked looklooked 2）以e结尾的动词直接加-d likeliked livelived practicepracticed dancedance

3、d 3）以辅音字母加y结尾的，先变y为i，再加-ed studystudied carrycarried worryworried 4）以一个辅音字母结尾的重读闭音节，双写最后一个辅音字母，再加-ed stopstopped dropdropped shopshopped triptripped 2. 不规则动词 dodid gowent readread seesaw sitsat writewrote getgot hearheard knowknew bringbrought buybought comecame beginbegangivegave（五）句式变化 1. 肯定句：主语+b

4、e动词实义动词情态动词的过去式+其它成份 We were at home last night. They studied for the math test. I could answer the question. 2. 否定句：1）主语+be动词情态动词过去式+not+其它成分 He wasnt happy last Friday. They couldnt open the door. 2）主语+didnt +实义动词原形+其它成分 The girl didnt play computer games yesterday afternoon. 3. 一般疑问句及其回答 1）把be的过去

5、式情态动词的过去式提到主语之前，肯定回答：Yes, 主+be动词/情态动词过去式。 否定回答：No, 主+be动词/情态动词过去式+not。 Were you good at math when you were a student? Yes, I was. No, I wasnt. Could you swim last year? Yes, I could. No, I couldnt. 2）Did+主语+实义动词原形+其它成份。 肯定回答：Yes, 主语+did 否定回答：No, 主语+didnt Did they clean the classroom yesterday? Yes, they did. No, they didnt. 4. 特殊疑问句：疑问词+一般疑问句？ Where were the children? When did you get up this morning?