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1、UNIT 6 HOW LONG HAVE YOU BEEN COLLECTING SHELLS?SectionA 1a-2ca pair of skatesshellsmarathonskating marathoncollect shellsI like singing.I started singing when I was 30 I have been singing for 10 years.She likes reading.She started reading at 7:00.Now it is 9:00.How long has she been reading?She has
2、 been reading for 2 hours. /since 7:00. 2 hours ago.自从自从.以以来来for +一段时间一段时间since+时间点时间点一段时间一段时间+ agoHe likes teaching.He started teaching in 1982 when he was 20 years old.He is still teaching now.How long has he been teaching?He has been teaching for 30 years. since 1982.30 years ago.he was 20 years
3、old.since+ 从句（一般过去时）从句（一般过去时）45 minutes ?They have been playing football for 45 minutes.How long have they been playing footballThey started swimming at 4:00.Now its 5:00.How long have they been swimming?They have been swimming for an hour. since _.4:00 / an hour ago现在完成进行时现在完成进行时 动作从过去某一时间开始一直延续到现在
4、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。并且有可能持续下去。How long has she been skating?She has been skating for 16 years.How long have you been teaching?I have been teaching since 1993.for+一段时间一段时间since+过去时间点过去时间点/从句从句 have / has been + doing sth构成：构成：概念：概念： playing football 30 minutessleeping40 minutes playing comp
5、uter 4 hourswatching TV3 hours skating 2 hourscooking 1 hourA: What do you like doing?B: I like .A: How long have you been .?B: I have been . for . / since .A: Alison, congratulations on winning the skating marathon!B: Thank you. A: So, how _did you skate today?B: For six hours!A: Was this your firs
6、t _ marathon?B: No, I skated in a marathon last year.A: Youre an excellent skater, Alison. _you skate every day?B: Yes, I do.A: How long _you been skating?B: _I was seven years old. I got my first pair of skates on my birthday from my grandmotherFill in the blanks.祝贺祝贺longskatingDohaveSince听力延伸听力延伸p
7、lay3 years12 years oldtalk30 minuteswait 7 oclock2 hourswritea long timeA: How long have been doing? B: have been doing for . /since . they has he / she They He / She hasPairworkName Sport How longLiuYan skatefor 5 yearsTom swim INTERVIEW YOUR CLASSMATES AND THEN MAKE A REPORT. In our group , there
8、are four students. Liu Yan likes skating. And she has been skating for 5 years. Tom likes swimming .A : What do you like doing ? B : I like singing .A : How long have you been singing ? B : Ive been singing for/sinceChoose the best answer for each blank1. Ive been skating _ three hours today. （长沙中长沙
9、中考考）A. about B. forC. since2. Weve been studying English _ two years ago.A. for B. fromC. since 3. She started skating _ 9 oclock. （宁波中考）宁波中考）A. for B. at C. since4. Sam _ collecting shells for five years.（北京中考北京中考）A. isB. started C. has been5. How long have you _ today? （成都中考）A. swimming B. been sw
10、imming C. started swimming体验中考题体验中考题1. A：你收集贝壳有多长时间了？：你收集贝壳有多长时间了？ B:自从我上中学以来。自从我上中学以来。 A：How long _ you _ _ shells? B：_ I _ to middle school.2. 我滑冰已有五个小时了。我滑冰已有五个小时了。 I _ _ _ _ 5 hours.have been collectingSince wenthave been skating for完成句子完成句子训练营训练营3. A:你什么时候得到第一双溜冰鞋？你什么时候得到第一双溜冰鞋？ B: 3年前。年前。 A: W
11、hen did you _ your first _ _ _? B: Three years ago.4. A:他游泳有多长时间了？他游泳有多长时间了？ B: 他已游了半小时了。他已游了半小时了。 A: How long _ he _ _ ? B: He _ _ _ _ half an hour.get pair of skateshas been swimminghas been swimming forSummary:New words and expressions:Grammar:collect, shell, marathon, pair, skate, since 现在完成进行时现在完成进行时 have / has been + doing sth. + for + 一段时间一段时间 since + 过去的时间点过去的时间点 since + 从句从句 (一般过去时一般过去时)HOMEWORKHOMEWORK1. Finish the other exercises in Section A.2. Ask your parents what they like doing, and write an interview about it by using the present pecfect progressive tense.
