一般过去时PPT课件.ppt

1、一般过去时课件Studying aims:1.To know about the different patterns of the simple past tense.2. To master the past tense of the regular verbs and the irregular words. 3. Can use the Simple Past Tense correctly.Lets learn(read these sentences and talk about these questions with your partners)1.什么是一般过去时（定义）？什

2、么是一般过去时（定义）？2. 一般过去时的句型结构是什么？一般过去时的句型结构是什么？3. 一般过去时的标志词有哪些？一般过去时的标志词有哪些？4.动词规则的过去式是如何转变的？动词规则的过去式是如何转变的？ 1.we played games yesterday afternoon .2.The classroom was very dirty last night.3.Was your father a doctor two years ago ? 4.She didnt help her mother do the housework just now. 1.一般过去时：一般过去时：表示

3、表示过去过去某个时间发生的动作或存在的某个时间发生的动作或存在的状态。状态。 we played games yesterday afternoon Let s study The classroom was very dirty yesterday .n一般过去时肯定句：一般过去时肯定句：n 主语主语+ waswere + 其它其它n 主语主语 + 实义动词过去式实义动词过去式 + 其它其它否定句和一般疑问否定句和一般疑问句呢？句呢？n 否定句：否定句：n 主语主语 + was were + not + 其它其它n 主语主语 + didnt + 动词原形动词原形 + 其它其它n 一般疑问句：

4、一般疑问句：n Was were + 主语主语 + 其它其它n Did + 主语主语 + 动词原形动词原形 + 其它其它 1. My father was at home last night.2. She helped her mother do the housework just now.否定句：否定句：My father was not at home last night.否定句：否定句：She didnt help her mother do the housework just now.一般疑问句：一般疑问句：Was your father at home last night

5、?一般疑问句：一般疑问句：Did she help her mother do the housework just now?yesterday yesterday morning /afternoon/eveningjust now/a moment ago last last week/night/month/year (last+表示时间表示时间的名词的名词)three days/two months/five years ago（时间段（时间段+ago）in 2000/2003/1999/2012（in+过去的年份）过去的年份）一般过去时常用的时间状语一般过去时常用的时间状语(标志词）

6、标志词）:你知道动词怎么你知道动词怎么变过去式吗？变过去式吗？n 1. 直接加直接加 -ed. e.g. clean- cleanedn 2. 以不发音的以不发音的e结尾的，直接加结尾的，直接加 -d . e.g. make - makedn 3. 重读闭音节，辅元辅结构，双写最后一个辅音字母，加重读闭音节，辅元辅结构，双写最后一个辅音字母，加 - ed. e.g. stop - stopped n 4. 以辅音字母加以辅音字母加y 结尾的，变结尾的，变 y 为为 i ，加，加 -ed. e.g. study-studied 以元音字母加以元音字母加 y 结尾的，直接加结尾的，直接加-ed.

7、e.g. play-played研研检测：研研检测：stopstoppedworryworriedplay played cleancleanedlivelivedvisitvisitedpasspassed恭喜你！恭喜你！你知道下面这些动你知道下面这些动词的过去式吗？词的过去式吗？comecamehavehadgowentputputreadreaddodidmakemadeeatatebuyboughtbewaswere不不规规则则动动词词过过去去式式Make sentences as many as you can说说：说说：I , go to Shanghai , last yearI

8、 went to Shanghai last year.Mary , visit the West Lake , three days agoMary visited the West Lake three days ago.We, have a meeting, yesterdayWe had a meeting yesterday.China, join the WTO , in 2001China joined the WTO in 2001.练练：n 1. She _( pick) up some apples last month.n 2. Today _(be) Sunday. I

9、t _(be) Saturday yesterday.n 3. _he _(fly) a kite just now?n 4. They _(make) a plane an hour ago.n 5. Amy _(visit) her grandparents last night.pickediswasDidflymadevisited句型转换：句型转换：n 1. She goes to the zoo every day. ( 用用 yesterday 代替代替 every day )n 2. He visited his friends just now. ( 改为一般疑问句改为一般疑问句 )n 3. Tom did his homework last night. ( 变否定句变否定句 )n 4. We cleaned the classroom an hour ago. ( 对划线部对划线部分提问分提问 )She went to the zoo yesterday.Did he visit his friends just now?Tom didnt do his homework last night. What did you do an hour ago ?