Unit 6 How long have you been collecting shells（第1课时）
Section A 1a-1c导学案
重点词语: collect , shell, skate,
重点句子：How long have you been skating? I’ve been skating for five hours.
--How long did you skate? --I skated for two hours.
--What sport do you play? --Tennis.
--When did you start? --When I was eleven.
难 点：：区别不同点：“How long have you been skating?” And “ How long did you skate?”
⑶滑冰鞋_______________ ⑷自从__________ ⑸一双__________
⑹滑冰马拉松__________ ⑺how long_________ ⑻a pair of skates__________
肯定句：主语 + have / has been + doing ?.
否定句：主语+have/has + not + been + doing ?
一般疑问句：Have/Has + 主语 + been + doing?
3.现在完成进行时的用法： 现在完成进行时的句子中多用延续性动词,如live, learn, study, work等，常与for two hours, since 1998,all this morning, these few days等表示一段时间的状语连用。强调“谈论一直做某事”
如: I have been cleaning the room all this morning. 我今天一上午都在打扫房间。
I’ve been studying English since I was 4 years old. 自从4岁起我就一直学英语。
(1)现在完成时强调动作的完成，而现在完成进行时侧重的是动作的持续进行。 如：I have read a book about birds. （已经读完）
I have been reading a book about birds.（一直都在读,现在还在读,有可能会继续读下去）
如： She has been singing all the day. 她都唱了一整天了。（抱怨、厌烦）
选做题 6. We all helped him with his English so he didn’t _______ with his study.
A. fall off B. fall down C. fall behind D. fall over
7. Mr Green _______ in China since five years ago.
A. lived B. has been living C. lives D. is going to live
8. ＿＿＿ is the meeting going to last? ----About twenty minutes.
A. How far B. How soon C. How long D. How often
9. What shall we do now? ＿＿＿ for a walk?
A. How's about to go B. What about to go
C. How's about going D. What about going 10. Do you have another way of ＿＿＿ the child?
A. teaching B. to teach C. teaches D. teach
11. There ______ a pair of sports shoes under the bed. A. are B. is C. have D. has
12. There are many trees on _______ sides of the road. A. each B. every C. both D. all