UNIT 4 TOPIC 2 Section B 課件2.ppt

1、UNIT 4 Our World,TOPIC 2 How can we protect ourselves from the earthquake?,Section B,Grammar time,一般過去時(shí)的疑問句,Review,動(dòng)詞過去式變化規(guī)律,eg. workworked finishfinished listen-listened,2. _,eg. likeliked livelived phone-phoned,3._,eg. studystudied carrycarried try-tried,4._,eg. stopstopped skipskipped shop-shoppe

2、d,5._,eg. amwas gowent getgot,以不發(fā)音e結(jié)尾，動(dòng)詞詞尾加-d,以輔音字母加y結(jié)尾的動(dòng)詞，把y變成i再加-ed,不規(guī)則動(dòng)詞,閉音節(jié)動(dòng)詞，雙寫詞尾字母再加-ed,1._,動(dòng)詞詞尾直接加-ed,1. look 2. live 3. stop 4. go 5. hope 6. trip 7. call 8. eat 9. want 10. are,11. go 12. have 13. do 14. get 15. come 16. say 17. see 18. put 19. read20.take,looked,lived,stopped,went,hoped,tr

3、ipped,called,ate,wanted,were,went,had,did,got,came,said,saw,put,read,took,寫出下列動(dòng)詞的過去式,21.buy 22.sing 23.hear 24.make 25. find 26.break 27.think 28.fall 29.write 30.be,bought,made,found,broke,thought,fell,wrote,was/were,sang,heard,行為動(dòng)詞一般過去時(shí)的疑問式,1. 一般過去時(shí)的一般疑問式在句首加助動(dòng)詞did：,Did+主語+動(dòng)詞原形？,例：They _ (finish)

4、their work at four. 一般疑問句:,_ they _ their work at four? Yes, they _. No, they _.,finished,Did,finish,did,didnt,行為動(dòng)詞一般過去時(shí)的疑問式,2. 一般過去時(shí)的特殊疑問式：,疑問詞+did+主語+動(dòng)詞原形？,對(duì)劃線部分提問,A：What did they do at four?,B：When did they finish their work?,例：They finished their work at four.,A,B,1.外加助動(dòng)詞did后,動(dòng)詞須返回原形。,Did he wen

5、t to school yesterday? Did he go to school yesterday?,2.簡略回答用助動(dòng)詞did/didnt代替行為動(dòng)詞。,Did he find the boy yesterday? Yes, he did. No, he did not (didnt).,注意！,Game Rules: 4 groups; The whole class ask questions like “Did he?” “Was she ?” to guess what the picture is about. 3.The teacher( or 4 volunteers f

6、rom 4 groups ) gives answers. 4.The group who guess right gets the point. 5.The group who get the highest score is the winner.,Lets play a game,Did he ?,Yes, he did. No, he didnt.,What did he do yesterday?,What did he do yesterday?,He played football yesterday.,What did she do last weekend?,Did she?

7、,Yes, she did. No, she didnt.,She cleaned the house /did the housework last weekend.,What did he eat for lunch?,Did he ?,Yes, he did. No, he didnt.,He ate noodles for lunch.,Where was he just now?,Was he ?,Yes, he was. No, he wasnt.,He was in the classroom just now.,動(dòng)詞一般過去時(shí)，表示過去發(fā)生事； be用was或用were, have, has變had； 謂語動(dòng)詞過去式，過去時(shí)間坐標(biāo)志； 一般動(dòng)詞加-ed，若是特殊得硬記。 否定句很簡單，主語之后didnt添； 疑問句也不難，did