青少版新概念3A unit5

1、How long is your day?Unit 5现在完成时现在完成时have been in sp. for +一段时间一段时间 He has been in America for two months.since /for的区别的区别since +时间的点，句子时间的点，句子for+ 一段时间一段时间He has been _ for _.He has been _ since _in the Stateslast Monday.in the Statesa weekShe has been _ for _.She has been _ since _in Bangkokthe en

2、d of May.in Bangkokseveral weeksShe has been _ for _.She has been _ since _in hospitallast Sunday.in hospitala few daysShe has been _ for _.She has been _ since _at the dentistsnine oclock.at the dentistsan hourat the airportthree oclock.at the airportseveral hoursThey has been _ for _.They has been

3、 _ since _last weekend.a weekThey has been _ for _.They has been _ since _at the seasideat the seasideHow often has Jack been to the circus?_In fact, _He hasnt been to the circus for many years.he hasnt been to the circus since he was little.How often has Nina been to the seaside?_In fact, _She hasn

4、t been to the seaside for a long time.she hasnt been to the seaside since she was two.How often has Paul been to the zoo?_In fact, _He hasnt been to the zoo for ages.he hasnt been to the zoo since he was very young.How often has Annie been to the funfair?_In fact, _She hasnt been to the funfair for

5、years.she hasnt been to the funfair since she was ten.几个阁楼老古董喷气式飞机露天游乐场马戏团割草机硬盘Word reviewin facthard diskcircusnothingmuseum piecesincejetatticWord reviewhard diskspacenoisycircus funfairatticnothingsound likein factLets review and do the dictationmarketfor agesmuseum piecePhrases:personal computer

6、 come onto the market sound like a lawnmower a museum piece hard disk spacedo with it What can you do with it? It hasnt been out of its box for 20 years.Its been there since we moved into this house.Its been there for years.Pattern Practice现在完成时现在完成时结构：结构：SB + have/has done(过去分词过去分词)规则动词的过去分词为动词原形后面

7、加规则动词的过去分词为动词原形后面加-edI have finished my homework.He has played computer games.My mother has cooked dinner.Have the children cleaned the windows? No, they havent.Has Robert painted the door yet?_When did he paint the door?_Yes, he has.He painted the door this morning.Has Lucy corrected her compositio

8、n yet?_When did she correct her composition?_Yes, she has.She corrected her composition before supper.Has Nina looked at those photos yet?_When did she look at those photos?_Yes, she has.She looked at those photos after lunch.Has Sally washed the windows yet?_When did she wash the windows?_Yes, she

9、has.She washed the windows an hour ago.Have William and Karen cleaned the car yet?_When did they clean the car?_Yes, they have.They cleaned the car this morning.Have Polly and Annie listened to that new CD yet?_When did they listen to that new CD?_Yes, they have.They listened to that new CD this aft

10、ernoon.Has Vikki finished her homework yet?_When did she finish her homework?_Yes, she has.She finished her homework half an hour ago.Have Paul and Claire watched that old film yet?_When did they watch that old film?_Yes, they have.They watched that old film early this evening.New words and expressi

11、ons worldwide adv 在全世界在全世界 huge adj. 巨大的巨大的 variation n. 变化变化 bedtime n. 就寝时间就寝时间 one way or another 以这样或那样的方式以这样或那样的方式 necessary adj. 必要的，必须的必要的，必须的 questionnaire n. 问卷调查问卷调查New words and expressions subject n. 科目科目 free adj. 自由的自由的 during prep. 在。期间在。期间 past adj. 过去的过去的 up to 多达多达 annoyed adj. 恼怒的

12、，生气的恼怒的，生气的 choose v. 选择选择 add v. 增加增加1. What do children do more than they did 25 years ago?2. How long do they work before bedtime?3. What do many young people have after school?4. How long do many children work a day?Questions Questions Lets enjoy the flash!Lets enjoy the flash! Have you finished

13、 your homework yet? Why havent you finished your homework? have/has + V. 过去分词 havent/hasnt +V.过去分词 动词原形-过去式-过去分词 finish finished-finished 完成 特殊疑问词Why： 为什么 How often do you hear these questions in your house? How do you feel about homework? How often 多久一次，特殊疑问词 these questions 这些问题 How 如何，特殊疑问词 feel

14、about 感觉，看待 Children worldwide now do more homework hours than they did twenty-five years ago but there are huge variations. worldwide 世界范围内的 now do Twenty-five years ago did There be 句型： 某处存在某物 huge variations 巨大的差别;变化than 前后两个概念相比较 In some parts of the world, even very young children have a lot of

15、 home work.part: 部分 part-partsworld: 世界even: 即使仍然，虽然但是（不能与but 连用）Very young 很小的a lot of = many/much 许多many 修饰可数名词；much 修饰不可数名词 They come home from school and they work for three or four hours before bedtime. come home 回家 Work for three or hour hours 工作三到四个小时 Before 在之前 In other parts of the world, c

16、hildren dont have much homework until they are a bit older. other 其它的 notuntil 直到才 a bit 一些，一点 old older - oldest At the same time, many young people worldwide have extra classes after school. At the same time 与此同时 Have 实义动词： 有 extra space ? p.10 extra classes 额外的课程 after 在之后 before ? One way or ano

17、ther, many children work twelve or fourteen hours a day. Is this really necessary? twelve or fourteen hours a day 一天十二或十四个小时 five hours a week ? three days a month ? necessary 必要的 How much homework do you have? How much time do you really spend on it? How long is your day? How much 多少，对不可数名词提问 How long 多久；多长，对时间或距离提问 spend on 花费在上面现在完成时现在完成时VS 一般现在时一般现在时 Robert has painted the door. (陈述句陈述句) Has Robert pa