一般过去时PPT课件(PPT 21页)

1、一般过去时课件第1页，共21页。Studying aims: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.第2页，共21页。Lets learn(read these sentences and talk about these questions with your partners)

2、1.什么是一般过去时（定义）？2. 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？4.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. 第3页，共21页。1.一般过去时：表示过去某个时间发生的动作或存在的状态。 we played games y

3、esterday afternoon Let s study The classroom was very dirty yesterday .第4页，共21页。一般过去时肯定句：主语+ waswere + 其它主语 + 实义动词过去式 + 其它否定句和一般疑问句呢？第5页，共21页。否定句：主语 + was were + not + 其它主语 + didnt + 动词原形 + 其它一般疑问句：Was were + 主语 + 其它Did + 主语 + 动词原形 + 其它第6页，共21页。 1. My father was at home last night.2. She helped her

4、mother do the housework just now.否定句：My father was not at home last night.否定句：She didnt help her mother do the housework just now.一般疑问句：Was your father at home last night ?一般疑问句：Did she help her mother do the housework just now?第7页，共21页。yesterday yesterday morning /afternoon/eveningjust now/a moment

5、 ago last last week/night/month/year (last+表示时间的名词)three days/two months/five years ago（时间段+ago）in 2000/2003/1999/2012（in+过去的年份）一般过去时常用的时间状语(标志词）:第8页，共21页。你知道动词怎么变过去式吗？第9页，共21页。1. 直接加 -ed. e.g. clean- cleaned2. 以不发音的e结尾的，直接加 -d . e.g. make - maked3. 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

6、 4. 以辅音字母加y 结尾的，变 y 为 i ，加 -ed. e.g. study-studied 以元音字母加 y 结尾的，直接加-ed. e.g. play-played第10页，共21页。研研检测：Are you ready ?第11页，共21页。stopstoppedworryworriedplay played cleancleanedlivelivedvisitvisitedpasspassed第12页，共21页。恭喜你！你知道下面这些动词的过去式吗？第13页，共21页。comecamehavehadgowentputputreadreaddodidmakemadeeatateb

7、uyboughtbewaswere不规则动词过去式第14页，共21页。Make sentences as many as you can说说：第15页，共21页。I , go to Shanghai , last yearI went to Shanghai last year.第16页，共21页。Mary , visit the West Lake , three days agoMary visited the West Lake three days ago.第17页，共21页。We, have a meeting, yesterdayWe had a meeting yesterday

8、.第18页，共21页。China, join the WTO , in 2001China joined the WTO in 2001.第19页，共21页。练练：1. She _( pick) up some apples last month.2. Today _(be) Sunday. It _(be) Saturday yesterday.3. _he _(fly) a kite just now?4. They _(make) a plane an hour ago.5. Amy _(visit) her grandparents last night.pickediswasDidflymadevisited第20页，共21页。句型转换：1. She goes to the zoo every day. ( 用 yesterday 代替 every day )2. He visited his friends just now. ( 改为一般疑问句 )3. Tom did his homework last night. ( 变否定句 )4. We cleaned the classroom an hour ago. ( 对划线部分提问 )She