Unit7Topic3一般过去时.ppt

1、Ask and answer.,T: When were you born? S1: I was born.Could you ride a bike when you were five? S2: Yes, I could./No, I couldnt. Could you.? S3: .,am/iswas arewere cancould,Summary,1.一般过去时的概念 一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用, 如：last year, yesterday等； 也可表示过去经常反复发生的动作，常和often, always等频度副词连用。 Exa

2、mple:I saw him in the street yesterday. 昨天我在街上看见他了。 Li Mei always went to school on foot last year. 去年李梅总是步行上学。,一般过去时的时间标志,1 一段时间+ago (a month ago/two years ago) 2 last+时间名词（year/month/week/time/term/Sunday/night） 3 yesterday 和yesterday 词组:yesterday（morning/afternoon/evening） 4 just now/a moment ago

3、(刚才)，in those days, in the past 5 过去具体的时间(in 1990/in March /on April 29th) 6 也和often, always等频度副词连用(有过去的时间限制) 7 before/ when she was five等,Summary,2. 一般过去时的构成 动词过去式的构成： (1)规则动词过去式的构成有四条规则： 一般在动词原形末尾直接加上-ed。如：look-looked。 以不发音的字母e结尾的动词，去e再加-ed。如：live-lived。 末尾只有一个辅音字母的重读闭音节，先双写这个辅音字 母，再加-ed。如：stop-st

4、opped。 末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed。 如：study-studied。 (2)不规则动词的过去式需特殊记忆。如：am(is)-was, are-were, go-went, come-came, take-took, have (has)-had等。,Write down the past forms of following verbs.,was,were,began,did,sang,fell,went,forgot,came,had,told,made,gave,brought,sat,blew,said,got,look miss help like

5、 play plan plant need recite,looked missed helped liked played planned planted needed recited,Write down the past forms of following verbs.,Read and find out the pronunciation rules of ed.,looked missed helped liked played planned planted needed recited,/Id/,/d/,/t/,清辅音后发清辅音/t/ 浊辅音、元音后发浊辅音/d/ /t/d/后

6、面发/Id/,清音/t/,浊元/d/, /t/,/d/后面读/Id/,Summary,3. 一般过去时的几种句型 肯定句：主语+动词的过去式+其他. Example：He went to the toy store yesterday. 否定句：主语+did not (didnt)+动词原形+其他. Example：He didnt go to the toy store yesterday.一般疑问句：Did 主语 动词原形 其他？ Example: -Did you go to Beijing last week? -Yes, we did. (No, we didnt.) 特殊疑问句：疑

7、问词did 主语动词原形其他？ Example: What did you do last night?,- _ you sing a song at the party? -Yes, I did./No, I didnt. -What _ Sally do? -She danced. -What time_ you come home last night? -At about half past ten.,Did,did,did,Fill in the blanks.,Summary,一般过去时口诀 一般过去时并不难，表示过去动作、状态记心间。 动词要用过去式，时间状语句末站。 否定句很简

8、单，didnt 站在动词原形前，其他部分不要变。 一般疑问句也好变，did放在句子前，主语、动词原形、其他部分依次站。 特殊疑问句也简单，疑问词加一般疑问句记心间。 最后一条请注意，动词过去式要牢记。,Exercises,1. The children had a good time in the park. （句型转换） 否定句：_ 一般疑问句：_ 2.-What time _ you _ (get) to Beijing yesterday? -We _ (get) to Beijing at 9:00 in the evening. 3.My mother _ (not do) hous

9、ework yesterday. 4.写出下列动词的第三人称单数、过去式和现在分词形式。 go _ _ _ enjoy _ _ _ buy _ _ _ eat_ _ _ get _ _ _ walk _ _ _ take_ _ _ dance_ _ _,1.play- 2.look- 3.miss- 4.perform- 5.live- 6.hope- 7.recite- 8.dance-,9.study- 10.worry- 11.stop- 12.plan- 13.am- 14.can- 15.sing- 16.are-,played,looked,missed,performed,liv

10、ed,hoped,recited,danced,studied,worried,stopped,planned,was,could,sang,were,Say the past forms of verbs.,用所给动词的正确形式填空。 We _(go) to the zoo and _(see) a lot of animals last Sunday. 2. _Maria _(listen) to music yesterday? 3.-What _they _(do) an hour ago? - They _(watch) TV at home. 4.He _(not sing) an

11、 English song at the party last year, she _(perform) a magic trick. 5. It _(not be) like a flower before, it _(be) like a star. 6. When I was five, I _(can swim). 7. He usually _(walk) to school last term, but now he usually _(take) a bus .,went,saw,Did listen,did do,watched,didnt sing,performed,was

12、nt,was,could swim,walked,takes,1.play- 2.do/does- 3.is- 4.dance- 5.are- 6.recite- 7.perform- 8.like- 9.ask- 10.try- 11.stop- 12.die - 13.worry- 14.plant-,played,was,were,performed,asked,stopped,worried,planted,did,danced,recited,liked,tried,died,Write down the past forms of verbs.,Project,Did you have a big dinner? 2. What speci