unit 8Have you read Treasure Island yet? grammar focus 现在完成时对比一般过去时课件 (共30张PPT) 人教版八年级下册

(共30张PPT)
Nova
Have you read Treasure Island yet
Period 2. Section A grammar focus
1
Have you ever copied others’ homework If yes, what do you think of it
Back
Let’s share!
Have you …
2
Have you said “I love you” to someone If yes, what do you think love is
Back
Let’s share!
Have you …
3
Has your best friend ever borrowed your money but not returned it If yes, what do you think of him/her
Back
Let’s share!
Have you …
4
Has your father ever argued with your mother If yes, what did you do
Back
Let’s share!
Have you …
5
Have you ever hated a teacher
If yes, why
Back
Let’s share!
Have you …
6
Have you ever been moved by someone If yes, why
Back
Let’s share!
Have you …
present perfect & simple past
8
02
What is the difference
present perfect summary
9
α
connection with now;
the past has a result;
new information
β
continues from the past until now
present perfect
10
connection with now;
the past has a result;
present perfect
11
present perfect
12
α
connection with now;
the past has a result;
present perfect
13
α
connection with now;
the past has a result;
present perfect
14
α
new information
present perfect
15
α
new information
present perfect
16
β
continues from the past until now
present perfect
17
β
continues from the past until now
present perfect
18
present perfect
19
present perfect
20
present perfect
21
summary：
form；
usage（key words）；
22
03
present perfect
present perfect summary
23
α
connection with now;
the past has a result;
new information
β
continues from the past until now
new information 均可
not recent/new 仅仅一般过去
connection with now; the past has a result; continues from the past until now；仅仅现在完成
现在完成时 一般过去时
用法
时间 状语
表示过去发生的动作对现在造成的影响，侧重于现在的情况。
表示过去某个时候发生的动作或存在的状态，与现在无关。
常和already, yet, just, ever, never, before, since, for等连用。
常和yesterday, last week, just now, in 2012, two days ago等具体的表示过去的时间状语连用。
现在完成时VS一般过去时
Exercises
1.— It's ten years since we came here.
— How time flies! We _____ in China for so long.
A. work B. worked C. will work D. have worked
2.Today, all the erhu masters play and praise Erquan Yingyue. It _____ one of China's national treasures.
A. becomes B. became C. has become D. become
3.Miss Brown, we _____ cleaning our classroom. Can we go home now
A. finish B. finishing C. are finished D. have finished
D
C
D
一、单项选择。
Exercises
1. She __________(not read) the book yet.
2. ________ you ________(decide) which book to buy yet
3. Tom won't go to the cinema with us because he ________ already ________ (see) the film.
4. We ________ just ________(clean) the classroom.
5. I ________(lend) my bike to her yesterday, but she ____________ (not give) it back to me yet.
hasn’t read
Have
has
seen
have
cleaned
decided
lent
hasn’t given
二、用所给词的正确形式填空。
Exercises
三、按要求改写句子。
1.She has already written the music. (改为一般疑问句)
________ she written the music _______
2.They studied English 2 years ago. (用 since two years ago 改写)
They ______ ________ English since two years ago.
3.Has Tom helped his parents yet (作出肯定回答)
_______, _____ _______.
4.The three students have been together for 3 hours. (对画线部分提问)
______ ______ have the three students been together
5.She has already gone to England. (改为否定句)
She _________ gone to England ______.
Has
yet
have studied
Yes he has
How long
hasn't
yet
Exercises
四、翻译下列句子。
1.我上个月参加了读书俱乐部,并已经读了五本书。
2.你已经吃过晚饭了吗
3杰克已经找到他的书了吗
4.马克还没有看过那部新电影。
5.他们已经在这个城市建了许多房子。
I joined the reading club last month and I have already read five books.
Have you had dinner yet
Has Jack found his book yet
Mike hasn’t seen the new film yet.
They have already built many buildings in this city.
What do we learn today
Just check your notes
summary
现在完成时和一般过去时的区别？
Homework
精彩练习&作业本第二课时
坚持计划(尤其是词汇&错题！）