初中英语人教版七年级下册微课课件.ppt

1、一般过去时一般过去时动词的过去式动词的过去式 表示过去某个时间或表示过去某个时间或某一时间内发生的动作某一时间内发生的动作或存在的状态。或存在的状态。2. 表示过去经常或反复表示过去经常或反复发生的动作。发生的动作。 一般过去时一般过去时 yesterday/last night two days ago/in 1990 often/always知识结构知识结构构成用法用法时间状语时间状语 一般过去时的一般过去时的两大法宝两大法宝: 1. 表示过去的表示过去的时间状语时间状语 2. 动词的动词的过去式过去式法宝法宝 1.常用常用时间状语时间状语yesterday the day before

2、yesterday just nowyesterday morning ( afternoon / evening/) last week（month / year / winter/)two days ( an hour /a week /three years )ago a moment ago in 1990 in 2008一般过去时的一般过去时的判断标志词判断标志词动词过去式动词过去式 规则变化规则变化 不规则变化不规则变化 口诀：一加口诀：一加eded，二加，二加d d，三要双写，三要双写， 四注意，改四注意，改y y为为i i加加eded，特殊形式特殊记。，特殊形式特殊记。法宝法宝

3、2.2.动词的动词的过去式过去式1. 动词动词be的变化：的变化： waswere am isare 2. 助动词助动词do的变化：的变化： do did (在过去时里助动词在过去时里助动词did没有人称和数的变化没有人称和数的变化) 如：如：Did you play soccer yesterday? Did he play soccer yesterday? 3. 实义动词的变化：实义动词的变化： 分分规则变化规则变化和和不规则变化不规则变化。 构成规则构成规则原形原形过过 去去 式式一般在动词末尾加一般在动词末尾加-ed work play worked played以以e结尾的动词加结

4、尾的动词加-d hope live hoped lived重读闭音节词且末尾只有一个辅音字重读闭音节词且末尾只有一个辅音字母的，先双写这个辅音字母，再加母的，先双写这个辅音字母，再加-ed stop trip stopped tripped以以“辅音字母辅音字母+y”结尾的动词，先改结尾的动词，先改“y”为为“ i”再加再加-ed study worry studiedworried注：注：动词过去式不规则变化，需逐个记忆。动词过去式不规则变化，需逐个记忆。书141页口诀：清对清，浊对浊，t, d后面读/id/清对清，以清辅音结尾的动词后的-ed读/t/，浊对浊，以浊辅音或元音结尾的动词后的-

5、ed读/d/， 以t, d结尾的动词后面的-ed读/id/ 快速说出下列动词怎样变成过去式。快速说出下列动词怎样变成过去式。1.watch- 2. visit- 3. play-4. live- 5. move- 6. decide-7. study- 8. copy- 9. cry-10. stop- 11. plan- 12. drop-13. am/is- 14. go- 15. do-16. put- 17. get- 18. take -watchedvisitedplayedlivedmoveddecidedstudied copied criedstopped planneddr

6、oppedwas went didput got took am /is was are were肯定句：主语肯定句：主语+ was/were +其他其他.否定句：主语否定句：主语 + wasnt /werent+其他其他.一般疑问句：一般疑问句：Was/were+主语主语+其他？其他？肯定回答：肯定回答： Yes, 主语主语 + was/were.否定回答：否定回答： No, 主语主语+ wasnt/werent.系动词系动词be的过去时：的过去时：特殊疑问句：特殊疑问词特殊疑问句：特殊疑问词+was/were+主语主语+其他？其他？我现在在家了。I am at home now. 我昨晚在

7、家了。I was at home last night .When were you at home?Where were you last night?Who was at home last night?时间时间地点地点主语主语肯定句：主语肯定句：主语+动词过去式动词过去式+其它其它I go to the movie. I went to the movie.否定句：主语否定句：主语+助动词助动词didnt+动词原形动词原形+其它其它I dont go to school. I didnt go to school.一般疑问句：一般疑问句：Did +主语主语+动词原形动词原形+其它其它?D

8、oes he have breakfast? Did he have breakfast?Yes, he does./No, he doesnt. Yes, he did./No, he didnt.行为动词的一般过去时行为动词的一般过去时: :特殊疑问句：特殊疑问词特殊疑问句：特殊疑问词+did +主语主语+动词原形动词原形+其他？其他？When did she work in a hospital?Where did she work last year?Who worked in a hospital last year?时间时间地点地点主语主语她在医院工作。她在医院工作。She wor

9、ks in a hospital.她去年在一家医院工作。她去年在一家医院工作。She worked in a hospital last year.every day yesterday I get home at 5:00 every day. Jack sees a movie every day. She buys lunch in the shop every day. There are many people in our school every day. I got home at 5:00 yesterday.Jack saw a movie yesterday.She bo

10、ught lunch in the shop yesterday.There were many people in our school yesterday.将一般现在时改为将一般现在时改为一般过去时一般过去时1. I got home at 5:00 yesterday.2. Jack saw a movie yesterday.3. She bought lunch in the shop yesterday.4.There were many people in our school yesterday.Did you get home at 5:00 yesterday?Yes, I did. No, I didnt.Did Jack see a movie yesterday?Yes, he did. No, he didnt.Did She buy lunch in the shop yesterday?Yes, she did. No, she didnt.Were there many people in our school yesterday?Yes, there were. No, there werent.变成一般疑问句并作变成一般疑问句并作 肯定回答和否定回肯定回答和否定回答答