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1、讲解三例句:1. The girls are dancing while the boys are singing.2. Kangkang,s mother is cooking yvhen he gets home.3. When/While Kangkangs mother is cooking, he gets home.一、用when或者while填空1 .Margo was talking on the phone, her sister walked in.2 .we visited the school, the children were playing games.3 .Sa
2、rah was at the barbers, I was going to class.4 .I saw Carlos, he was wearing a green shirt.5 .Allen was cleaning his room, the phone rang.6 .Rita bought her new dog; it was wearing a little coat.7 . He was driving along suddenly a woman appeared.8 .Jake was waiting at the door, an old woman called t
3、o him.9 . He was reading a book suddenly the telephone rang.9.1 it began to rain, they were playing chess.11. She saw a taxi coming the woman was waiting under the streetlight.12. The alien was in the museum, I called the police.13. The boy was walking down the street a UFO landed.14. The alien was
4、visiting the museum, the boy called the TV station.14.1 was cleaning my room the fire broke out.16. Linda shouted his name, some people looked at her.二、用所给动词适当形式填空17. While Jake(look) fbr customers, he(see) a woman.18. They(play) football on the playground when it(begin) to rain.19. A strange box(ar
5、rive) while we(talk).20. John(sleep) when someone(steal) his car.21. Father still (sleep) when I (get) up yesterday morning.22. Grandma (cook) breakfast while I (wash) my face this morning.23. Mother (sweep) the floor when I (leave) home.1.1 1 (read) a history book when someone (knock) at the door.2
6、5. Mary and Alice are busy (do) their homework.26. The teacher asked us (keep) the windows closed.27.1 followed it (see) where it was going.28. The students (play) basketball on the playground from 3 to 4 yesterday afternoon.三、完成下面句子,词数不限1 .飞机在伦敦起飞时正在下雨。It when the plane in London.2 .你记得汶川大地震时你在做什么吗
7、?Do you remember what _ you _ when Wenchuan Earthquake .3 .当铃声想起的时候,我们正在操场上玩得很欢乐。We on the playground when the bell .4 .当妈妈下班回家时,你在做什么?when Mum from work?5 .当我在做作业时,有人敲门。I was doing my homework, someone the door.6 .当外星人正在买纪念品的时候,那个女孩报了警。the alien was buying the souvenirs, the girl the police. 答案1 .w
8、hile 2.when 3.while 4.when 5.while 6.when 7.When 8.While9.When 1().When 11 .While 12.when 13.when 14.while 15.when 16.when 17.was looki ng ,saw 18.were playing,began 19.arrived, were talking 2O.was sleeping, stole 21.was, sleep, got 22.was cooking, was washing 23.was sweeping,left 24,was reading,knock 25,doing 26.to keep 27. to see 28.were playing 1. was raining, took off 2. were doing ,took place 3. were having fun, rang4. what were you doing ,came back home5. while /when, knocked at6. while, called