Unit8 Have you read Treasure Island yet SectionA Grammar Focus-4c课件 (共29张PPT)2023-2024学年人教版八年级英语下册

(共29张PPT)
人教新目标Go For It八年级英语下册
Unit8 Have you read Treasure Island yet SectionA Grammar Focus-4c
To learn the present perfect tense with already and yet.
-- Have you decided which book to write about yet
-- Yes, I have. I’ve already finished reading it. It was really good.
等候
赶快(做某事)
不久之后
放弃
wait for
hurry up
not long after that
give up
Translate and write them down.
If a thing is worth doing it is worth worth doing well
Grammar Focus
探索一：现在完成时的基本结构
I
have finished
my homework.
I
have cleaned
the rooms.
I
have made
some delicious food.
主语+ have+过去分词 +其它
If a thing is worth doing it is worth worth doing well
He
not
has
They
have
cleaned
the rooms.
探索二：现在完成时的句型转换
思考
否定句在_____________后面加not。
not
finished
his homework.
have或has
have not = haven’t has not = hasn’t
If a thing is worth doing it is worth worth doing well
句型转换。
1. He has already had breakfast. (改为否定句)
He ______ ____ breakfast ___.
2. I have done my homework already. (改为一般疑问句)
_____ _____ done your homework ____
3. The old man has lived here for forty years.(对画线部
分提问)
____ _____ ____ the old man _____ here
hasn’t had yet
Have you
How long has
lived
yet
If a thing is worth doing it is worth worth doing well
我昨天十点回家的。现在我已经到家了。
我已经写完作业了，我是一个小时之前写完的。
例
句
I went home at 10:00 yesterday. I have got
home now.
I have already finished my homework.
I finished it an hour ago.
If a thing is worth doing it is worth worth doing well
探索三：现在完成时的句型转换
They
have
cleaned
the rooms .
He
has
finished
his homework .
Have

they
Has

he
思考
一般疑问句把______________提至主语前,
回答时，要使用_______________.
have或has
主语+have或has
—Yes, they have.
No, they haven’t.
—Yes, he has.
—No, he hasn’t.
If a thing is worth doing it is worth worth doing well
现在完成时的结构句型
肯定句 主语＋have/has＋过去分词＋其他.
否定句 主语＋have/has＋not＋过去分词＋其他.
一般疑问句 Have / Has＋主语＋过去分词＋其他
Yes, 主语＋have/has.
No, 主语＋have/has not.
特殊疑问 特殊疑问词+have/has+主语+过去分词…
注意：变否定句和疑问句，动词都用过去分词，不用还原！
If a thing is worth doing it is worth worth doing well
新课导入
1.你读过《小妇人》吗？不， 我没有。
Have you read Little Women yet No, I haven’t.
2. Tina读过金银岛吗？是的，她读过。
Has Tina read Treasure Island yet Yes, she has.
3. 我已经读完了《金银岛》。
I have already finished reading Treasure Island.
4. 至少你已经读过书的结尾，了解了它的大致内容吧。
Have you at least read the back of the book to see what it’s about
5. 我带回了许多我可以用的东西。
I’ve brought back many things I can use.
If a thing is worth doing it is worth worth doing well
Translate the following sentences
我带回了许多我可以用的东西。
I’ve brought back many things I can use.
虽然我失去了所有，但没有丧生。
Although I have lost everything, I have not lost my life.
我已经砍到了树木并建造了一所房子。
I have already cut down trees and built a house.
If a thing is worth doing it is worth worth doing well
现在完成时的标志词
A: I have already finished my homework.
Have you finished your homework yet
B: No, I haven’t finished it yet.
意思 句型
already
yet
已经
肯定句
已经
一般疑问句
“还（没）”
否定句
Presentation
If a thing is worth doing it is worth worth doing well
Fill in the blanks.
I have not read it ___.
Sandy, have you finished the reader ___
3. Have you read Little Women ___
4. I’ve ______ read it.
6. I have ________ heard of them
yet
yet
yet
already
already
【即学即练】
Presentation
If a thing is worth doing it is worth worth doing well
1.A：Would you like something to drink
B：No, thanks. I've just drunk some tea. (just/drink some tea)
2.A：I heard you lost your key. _________________ (find)
B：No, not yet.
4a Use the words in brackets to complete the conversations.
Have you found it
If a thing is worth doing it is worth worth doing well
3.A：Do you know when Tom is leaving
B：__　　　　　　　　　. (already/leave)
A：When　　　　　　　　 (leave)
B：This morning.
4.A：Is your sister going to the movies with us tonight？
B：No. ________________________. (already/see the film)
5.A：What do your parents think about our plan？
B：I _______________________. (not/tell them/yet）
She has already seen the film
have not told them yet
He has already left
did he leave
If a thing is worth doing it is worth worth doing well
2025
learning
8 years
have learned English
2012
started learning English
I started learning English in 2012.
I am learning English these days.
I have learned English for 8 years.
（一般过去时）
（现在进行时）
（现在完成时）
If a thing is worth doing it is worth worth doing well
现在完成时
1. 构成：“助动词have / has + 动词的过去分词”
2.定义（三要素）：
1.表示到现在为止已经完成或刚刚完成的动作。
2.一件发生在过去的事情对现在产生影响。
3.一个动作开始于过去，并持续到现在（也许还将持续下去）。
If a thing is worth doing it is worth worth doing well
3.结构：
1.肯定句：主语 + have/ has + 过去分词+...
2.否定句:主语+haven’t ( have not) +过去分词… 主语+hasn’t ( has not ) +过去分词...
3.疑问句:Have / Has+主语+过去分词...
I have finished my homework.
I haven’t finished my homework.
Have you finished your homework
If a thing is worth doing it is worth worth doing well
Use the words in brackets to complete the conversations.
4b
1. A: Would you like something to drink
B: No, thanks. _________________________.
(just/ drink some tea)
2. A: I heard you lost your key.
________________ (find)
B: No, not yet.
I’ve just drunk some tea
Have you found it
If a thing is worth doing it is worth worth doing well
3. A: Do you know when Tom is leaving
B: ___________________. (already/leave)
A: When _____________ (leave)
B: This morning.
He has already left
did he leave
If a thing is worth doing it is worth worth doing well
4c Complete the chart with information about you and a friend.
A：What books have you already read
B：I've already read Tom Sawyer and Harry Potter.
A：What do you think of them
B：Well, I think Harry Potter was exciting, but Tom
Sawyer was a bit boring.
If a thing is worth doing it is worth worth doing well
Fill in the blanks with the correct forms of the words in brackets.
Sally _____ (love) reading. In the morning, she reads the newspaper and in the evening she reads books. She ______ already _____ (read) more than 100 different books! Her favorite kind of books is science fiction. She is interested in science and technology and loves to imagine what the world ______ (be) like in 50 years.
She _______ (finish) reading a book about robots last week and _________ (write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the many books she __________ (not read) yet and she can’t wait to read them!
loves
has
read
will be
finished
will write
hasn’t read
can’t wait to do sth. “迫不及待地做某事”
is interested in (doing) sth.对（做）某事感兴趣.
If a thing is worth doing it is worth worth doing well
Fill in the blanks with the correct forms of the words in brackets.
Sally _____ (love) reading. In the morning, she
reads the newspaper and in the evening she reads books. She ______ already _____ (read) more than 100 different books! Her favorite kind of books is science fiction. She is interested in science and
loves
has
read
If a thing is worth doing it is worth worth doing well
A: Is your sister going to the movies with us tonight
B: No. ____________________________.
(already/ see the film)
A: What do your parents think about our plan
B: I ___________________. (not/ tell them/yet)
haven’t told them yet
She has already seen the film
If a thing is worth doing it is worth worth doing well
can't wait to do sth. 迫不及待去做某事
I can’t wait to tell her the good news.
我等不及要告诉她这个好消息。
can't help doing sth. = can’t help but do sth.
情不自禁地做某事
I can’t help feeling that there has been a mistake.
我不由自主地觉得什么地方搞错了。
Language Points
If a thing is worth doing it is worth worth doing well
Practice
You Your friend Comments
Books I have already read
Movies I have already seen
Songs I have already heard
Pair Work
If a thing is worth doing it is worth worth doing well
—I always can’t help ________ TV plays with my
mobile phone when I’m studying.
— It’s not a good habit. You are supposed to ____ it.
A. watching; correcting　 B. watch; correct
C. watch; correcting D. watching; correct
can’t help doing sth. 情不自禁做某事
be supposed to do sth. 应该去做某事 　
If a thing is worth doing it is worth worth doing well
1. He ____ not ______ (begin) to work ____.
2. I ____________ (finish) my homework _______.
3. We have ____ heard of her marriage.
4. I __________________ (solve) this problem.
5. ________________ (finish) your homework ____
6. I have _____ finished lunch.
yet
already
just
begun
has
have finished
have already solved
yet
Have you finished
just
根据句意及所给提示填空。
1
If a thing is worth doing it is worth worth doing well
1. He has already had breakfast. (改为否定句)
He ______ ____ breakfast ___.
2. I have done my homework already. (改为一般疑问句)
_____ _____ done your homework ____
3. The old man has lived here for forty years.(对画线部
分提问)
____ _____ ____ the old man _____ here
hasn’t had yet
Have you
How long has
lived
yet
句型转换。
2