人教版八年级英语下册 Unit 10 Section A (Grammar focus -4c) 课件

新课讲解
Grammar Focus
How long have you had I've had it for three that bike over there? years.
How long has his son owned the train and railway set?
He’s owned it since his fourth birthday.
现在完成时句中常见的时间状语 A.表示从过去一直持续到现在, 不能是具体
的过去时间。
( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句
eg.I have been a teacher _f_o_r___ a year. He has been at this school _s_in_c_e___ 1992.
Ready? had trouble with cars and their owners.
4. We haven’t seen each other __si_n_c_e_ last week.
5. My parents and I have been in Hong Kong _f_o_r_ two days.
3. 现在完成时把过去的动作和现在的结果联系起来， 一般过去时只限于表示过去的动作本身, 与现在 的结果无关。现在完成时与一般过去时在意义上 的区别举例如下：
I have cleaned my room. (My room is clean now.) 我已经打扫过我的房间了。
I cleaned my room last week. (I did it in the past.) 我上周打扫了我的房间。
疑问
Have you…? Has he…?
常与下列时间状语连用：just , already, yet,
ever, never, before, several times
现在完成时
moved here havienb2r0e0a4kfast
I’mI sntoiltl hliuvenghreyrenow
17. As for me, I did not want to give up my football shirts, but, to be honest, I have not played _f_o_r_ a while now.
现在完成时： 表示过去发生或已经完成的某一动作对现在造成
的影响或结果，或从过去开始一直延续到现在的动 作或保存的状态。
温故知新
1. How long have you had that bike over there? I’ve had it for three years.
2. How long has his son owned the train and railway set? He’s owned it since his ere for three years. I have lived here since 2004/three years ago.
动词构成：have/has+v过去分词
2. 现在完成时动词可以表示开始于过去持续 到现在(也许还会继续进行下去)的动作或状态。
1) I have studied English since last year. 我从去年开始学习英语。
We have learned 1,000 English words
2) She has lived in Beijing for five years. 她住在北京已经五年了。
注意: come, go , leave, arrive, buy, lose, receive, join, die, 和marry 等动词所表示的动作是一时的, 不能延续的, 故不能与for …, since …等开头的表示一段时间的状语连 用。不过, 这些词用于否定句则可以与表示持续的时间状 语连用，即动作的不发生是可以持续的。
past
now
1.过去发生的动作对现在造成的影响或结果。和already， never, ever, just, before, yet等状语连用。
I have just had my breakfast. (现在我不饿)
2.过去已经开始，持续到现在的动作或状态，常与for或since引 起的一段时间状语连用。
6. — How long have you had that bike over there?
— I’ve had it _f_o_r_ three years. 7. Jeff has had his bike _f_o_r_ more than 10
years. 8. Yes, I’ve had it __fo_r_ seven years. 9. Amy has had her favorite book _f_o_r_
13. I’ve had them _s_in_c_e_ I was a child. 14. My mom’s had it _f_o_r a long time but it
still works. 15. Although he has not played with his
old toys _fo_r_ a long time, he still wanted to keep them.
They have bought a dictionary. (They bought
a dictionary and they have it now.) 他们买了一本字典。
注意: 现在完成时不能和明确指出时间的状语 (如: yesterday, last, year, in 1976, two days ago, just now, when she came in 等)连用， 但可以和不明确指出时间的状语(如: already, yet, ever, never, sometimes, always, often, before, once, twice, recently, lately等)连用； 也可以和表示包括现在在内的时间状语(如： today, this morning, this week, this year等)连用。
17. As for me, I did not want to give up my football shirts, but, to be honest, I have not played for a while now.
Fill in the blanks. 1. — How long have you lived here?
Have you ever played football?
Yes, I did when I was little, but I haven't played for a while now.
1. — How long have you lived here? — I’ve lived here for twenty years.
three years. 10. Amy has had the toy bear __si_n_c_e_ she
was a baby.
11. Amy’s mom has had the old bread maker _f_o_r_ more than ten years.
12. I’ve had this magazine _f_o_r_ a couple of months.
baby.
11. Amy’s mom has had the old bread maker for more than ten years.
12. I’ve had this magazine for a couple of months.
13. I’ve had them since I was a child. 14. My mom’s had it for a long time but it still
3. Have you ever played football? Yes, I did when I was little, but I haven’t played for a while now.
Review Group Work
You’re having a yard sale. What would you do with the money you raise?
Unit 10 I’ve had this bike for three years.
To learn the usage of for and since To use the Grammar Focus sentences to create simple conversation To review the present perfect tense To learn new word: hometown
2. Yes, I’ve been here since 1976. 3. He has just bought a new house in the city,
but ever since he moved in, he has had trouble with cars and their owners. 4. We haven’t seen each other since last week. 5. My parents and I have been in Hong Kong for two days.
6. — How long have you had that bike over there? — I’ve had it for three years.