新人教版英语八下《Unit6Howlonghaveyoubeencollectingshells》(Period1)ppt课件

1、w long have you been collecting shells?Section A -period 1迎加WangMeng started skating in 1995. She is still skating now.How long she?Shefor 16 years.started skatinghas been skatingMy teaching lifestarted teachingEnglishfor 18 years, since 1993.teach English现在完成进行时How long she?How longShefor 16 years.

2、yousince 1993.9概念：动作从过去某一时间开始一直延续到现在，并且有可能持续下去。构成:/ has been + doing sth1.1 have been teaching English18 years.2. We have been having class3. Alison has been skating she was 7years old.4.1 have been skating todaysix hours.A: How long YaoMingbasketball ?:Hebasketball for 22 years.since 1989.Jackie Ch

3、an1954: be born(50)980: be born 989-2011: (22) lay basketballflthey skate 5 hours马拉松QHow long?AlisonI5ve been skating for five hours.Sam1 skated for four hoursVictorl5ve been skatinaCelia1 skatedQin.试比较：been skating for five hours 与 I skated for two hours有何区别?A: How long has Alison been skating?A: H

4、ow long did Sam skate?B:A: How long has Victor been skating ?B:A: How long did Celia skate?B:Answer the questions: Who stopped skating? Who is still skating? Who won the first place in the skating marathon?Listenina. No, I skated in a marathon lastyeanb Yes，I do.c. For six hours.de Since I was seven

5、 years old.1. How long did you skate today?2. How long have you been skating today?3. Was this your first skating marathon?4. Do you skate every day?5. When did you get your first pair of s?滑冰鞋 6 How long have you been skating?3J rhipyrLName SportHow longLiuYan skatefor 5 yearsTomswimIn our group 3

6、there are four students. Liu Yan likes skating. And she has been skating for 5 years. Tom likes swimming .In our group 5 there are four students. Liu Yan likes skating. And she has been skating for 5 years Tom likes .TapescriptA: Alison, how long have you been skating?B: Fve been skating for five hours.Aamy how long did you skateQCIskated伽 four hoyrs二丿Zstarted at nine oclock in the morning anTstopped云one oclock in the afternoon. Fm very tired!A: When did you start skatings Victor?D: At nine oclock.A: So youve been skating for D: