上海版牛津英语Feb22nd一般过去时讲解和练习.doc

Class _ Name _一般过去时讲解和练习一般过去时通常表示过去经常或偶然发生的动作或存在的状态, 常与yesterday (morning, afternoon, evening), last week (month, year, night, etc ), a moment (a month, a year, five minutes, etc) ago, in 1970等表示过去时间的状语连用。一、 连系动词be的过去式(随人称和数的变化而变化)am, is - was; are-wereE.g. 肯定句否定句一般疑问句肯、否答I was at home yesterday. I wasnt at home yesterday.Were you at home yesterday? Yes, I was. No, I wasnt.Lily was in the park last Sunday. Lily wasnt in the park last Sunday. Was Lily in the park last Sunday? Yes, she was.No, she wasnt. The children were in the zoo a month ago. The children werent in the zoo a month ago. Were the children in the zoo a month ago? Yes, they were.No, they werent. 二、 行为动词的过去式 （不随人称和数的变化）e.g. 肯定句否定句一般疑问句肯、否答I played football yesterday.I didnt play football yesterday.Did you play football yesterday? Yes, I did. No, I didnt.You played football yesterday.You didnt play football yesterday.Did I (we) play football yesterday?Yes, you did.No, you didnt. He/She/ It played football yesterday.He/She/ It didnt play football yesterday.Did he/she/ it play football yesterday?Yes, he/she/it did.No,he/she/it didnt.We played football yesterday. We didnt play football yesterday. Did you play football yesterday?Yes, we did.No, we didnt. The children played football yesterday. The children didnt play football yesterday. Did the children play football yesterday? Yes, they did.No, they didnt. 三、 动词过去式的变化（规则和不规则两种）A规则变化：动词过去式的构成构成规则原形过去式1.一般在动词末尾加-edworkworked2. 以不发音e结尾的动词在末尾加-dlivelived3. 末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-edstopstopped4. 以辅音字母加y结尾的，先变y为i， 再加-edcrycriedB. 不规则动词（很多，本学期要求掌握的主要见朗文书P43-46，让我们会慢慢一起积累吧！）C. 规则动词过去式词尾-ed的读音：1、 清辅音后面的-ed读/t/ ( t 除外)如：stopped, hoped, watched, laughed, dressed, pushed, asked, marched, etc. 2、 浊辅音及元音后面的-ed读/ d / 如：lived, tried, moved, rained, played, boiled, cleaned, watered, etc. 3、 t,d后面加-ed通常读/id/如：needed, wanted, visited, planted, painted, etc. Exercises: I 写出下列动词的过去式A. Regular verbs.1. clean _ 2. wash _ 3. collect _ 4. play _ 5. study _6.try _ 7. enjoy _ 8. taste _ 9. boil _ 10. stop _B. Irregular verbs.1. is _ 2. am _ 3.are _ 4. do _ 5. go _6. have _ 7. take _ 8. blow _ 9. bring _ 10. meet _11.ride _ 12.eat _ 13.swim_ 14.see _ 15.come _II 用所给动词的适当形式填空，注意看清时间状语，判断时态。1. Yesterday I _(be) not at home. I _(go) to my mums home.2. Tony _(be) in the school basketball team last term.3. We _(be) all primary school students now.4. It _(be) cloudy and cold yesterday. But it _(be) sunny and warm today.5. I always _(help) my mum _(prepare) dinner. But yesterday evening I _(be) too busy. I _ (have) to _(do) my homework.6. _(do) Alan _(watch) a film last night? No. But he _(watch) a film last week.7. _ you _(help) your teacher _(clean) the classroom? Yes. First I _(clean) the window. Then I _(wash) the mop. 8. What _(do) you _(see) just now? I _(see) a dog swimming in the river.9. _ you always _(ride) a bike in the park at weekends? No. But I _ a bike yesterday.10. I _(not see) Kevin at school yesterday. He _(be) sick.III 按照要求改写句子1. My grandpa watered the plants this morning. 否定句：_一般疑问句，肯回：_划线提问：_2. I rode a horse on the farm last Sunday.否定句：_一般疑问句，肯回：_划线提问：_3. My winter holiday was fun. 否定句： _一般疑问句，肯回：_划线提问：_4. Cindy cooks vegetabl