北师大版 英语课件：八年级下unit 10 jobs and chores

课件15张PPT。Unit 10 Jobs and Chores一、教学重点：
1. 现在完成时
2. 课文解析。二、具体内容。
（一）现在完成时：
1. 表示到现在为止已经完成的动作，强调动作的结果和对现在的影响。常与just, yet, already, ever, never 等时间状语连用。
e.g. I have already done my work.（说明不用再工作了）
I have become a soldier.（我过去当上了兵，现在仍是兵）? 2. 表示过去已经开始，持续到现在仍未结束，并含持续到将来的意思。此用法经常与一些表示一段时间的时间状语连用。如：today, recently, lately, since, during/in the past two days, this week, these days, so far, for a long time…
??? e.g. We have waited for the whole day.（现在仍然在等）3. 构成：主语+ have/has +done…
??? I have written a postcard to my friend.
??? She has lived here since she was born.
? 4. have/has been to 和have/has gone to 的区别：
??? have/has been to 表示“去过某地”，表明说话人的一种经历，可以与“once, several times, ever, never”连用。
??? e has been to Shanghai three times.
??? have/has gone to 表示“去了某地”，表明主语已在去某地的路上或已到达某地。一般只能用于第三人称，不能与上述时间状语连用。
??? He has gone to Shanghai.5. 过去分词的构成
??? 规则变化：与动词过去式的规则变化相同，即在词尾加ed
??? work-worked-worked???? move-moved-moved????? stop-stopped-stopped
??? study-studied-studied
??? 不规则变化：
1）动词原形，过去式，过去分词三种形式完全相同。
put-put-put?? hurt-hurt-hurt??? cut-cut-cut?? shut-shut-shut 2）过去分词与过去式相同。
??? make-made-made? dig-dug-dug? build-built-built?? pay-paid-paid?
??? 3）过去分词与动词原形相同，与过去式不相同。
??? become-became-become??? run-ran-run?? overcome-overcame-overcome
??? 4）三词形式完全不相同，过去分词多以n/ne/en结尾。
??? take-took-taken??? eat-ate-eaten?? see-saw-seen?? grow-grew-grown
??? do-did-done?????? go-went-gone（二）课文解析：
? 1. And, to our surprise, they said okay!
??? to one’s surprise 使人吃惊的是
??? To our surprise, Jack came into the classroom.
??? To my great surprise, father handed me the key to the new car.
??? to one’s joy/horror
??? To his horror, they saw the plane falling to the earth, head first.
??? To my great joy, the school is organizing an outing next week.2. We know that the teenagers in our community needed a place to hang out, to play sports, to watch movies, or to meet new people.
??? hang out居住，聚集
??? Where does your friend John hang out?
? ??He hangs out at Green Street.
??? They often hang out in a bar near their school.3. One group is in charge of developing the activities for the center, another in charge of finding more teenagers, and some of us are responsible for cleaning the house.
??? be in charge of 负责某事
??? When I was in school, I was in charge of the student union.
??? I’ll be in charge of the whole factory next week when the director is away.
??? Who is in charge of here?4. put up
Our geography teacher put up a map of China on the wall in our classroom last week.
A new teaching building will be put up next June in our school.
5. take place
The wedding took place at 11 a.m. on October 2.
Our graduation ceremony will take place next July.［课堂练习］
I. 写出下列动词的过去式和过去分词：
1. have _________??? __________?????? 2. make _________ _________
3. happen _________ __________???????? 4. arrive ___________ __________
5. tell ___________?? __________??????? 6. move _________ __________
7. order ________??? __________ ???????8. park ___________ ___________
9. know ________??? _________???????? 10. write _________ __________11. break _____________ __________?????
12. feed _____________ _____________
13. clean ____________ ______________??
14. sweep _____________ ____________
15. cut? ___________ ______________???
16. fix _____________ ______________
17. come ___________ _____________????
18. go_____________ ______________II. 翻译句子。
1. 我们已经取得了巨大进步。We have _______ a lot of ___________.
2. 工程进展如何？________ is the project ________?
3. 他们刚点了吃的。They have ________ _________ some food.
4. 她刚从房间冲出来。She ______ just _______ ________ _______ the room.
5. 他们刚刚搬了新家。They have just ________ ________ a new house.Good-bye!