八下Unit 8 Have you read Treasure Island yet? Section A Grammar -4c课件（22张PPT）

(共22张PPT)
Section A (Grammar Focus-4c)
Unit 8 Have you read Treasure Island yet
Revision
Fill in the blanks according to the Chinese meaning.
1. — 你读过《小妇人》吗？— 我读过。/我没读过。
— _____ you _______ Little Women yet
— Yes, I ______. / No, I ________.
Have
2. —Tina 读过《金银岛》吗？
— 她读了。她认为它棒极了。
— ______ Tina ______ Treasure Island yet
— Yes, _____ _____. She thinks it’s ________.
Has read
she has
read
have
haven’t
fantastic
3. — 你已经决定写哪本书了吗？
— 我已经决定了。我已经读完了它。它真的很棒。
— _____ you _______ which book ____ _____
_______ yet
— Yes, I have. I’ve _______ ________ reading it. It
was really good.
Have
decided
to write
already finished
about
Grammar Focus
Have you read Little Women yet Yes, I have./No, I haven’t.
Has Tina read Treasure Island yet Yes, she has. She thinks it’s fantastic.
Have you decided which book to write about yet Yes, I have. I’ve already finished reading it. It was really good.
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）。
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）
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
4.常见标志词：
1.already / yet
2.ever / never
3.just / before / up to now / in the past years/ so far
already一般用于肯定句；yet用于否定句和疑问句。
多用于否定句和疑问句中，意为“曾经”；“从未”。
5.过去分词的规则变化和不规则变化：
规则变化
(1)一般动词，在词尾直接加“ ed ”。work---worked---worked
(2)以“ e ”结尾的动词，只在词尾加“ d ”。 live---lived---lived
(3)以“辅音字母 + y ”结尾的动词，将“y” 变为 “i”，再加“ ed ”。
study---studied---studied
(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ ed ”。
drop---dropped--dropped
5.过去分词的规则变化和不规则变化：
不规则变化
A.过去分词与过去式形式一样（ABB型）
have—had—had spend —spent—spent
make—made—made say—said—said
find—found—found hear—heard—heard
meet—met—met leave—left—left
5.过去分词的规则变化和不规则变化：
不规则变化
B.过去分词与过去式形式不一样（ABC型）
take—took—taken speak —spoke—spoken
sing—sang—sung drive—drove—driven
be—was/were—been go—went—gone
5.过去分词的规则变化和不规则变化：
不规则变化
C.过去分词、过去式与动词原形一样(AAA型）
cut—cut—cut put —put—put
let—let—let read—read—read
cost—cost--cost hurt—hurt—hurt
D.过去分词与动词原形一样（ABA型）
come—came—come become—became--become
already “已经”，常用于肯定句中。一般置于助动词have/has之后，v.-ed 之前，但也可以放在句末。
just “刚刚”，常用于肯定句中。一般置于助动词have/has之后，v.-ed 之前。
yet 在现在完成时句型中常置于句末：
“已经”，常用在疑问句中,
2) “还，仍然”，常用于否定句和疑问句
与 already; just; yet 连用
现在完成时与一般过去时
一般过去时：只表示过去的事实，不表示和现在的关系
现在完成时：强调这一动作与现在的关系，如对现在产生的结果、影响等
我昨天十点回家的。现在我已经到家了。
I went home at 10:00 yesterday.
I have got home now.
例 句：
我已经写完作业了，我是一个小时之前写完的。
I have already finished my homework.
I finished it an hour ago.
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.
3. A: Do you know when Tom is leaving
B:___________________. (already/leave)
Use the words in brackets to complete the conversations.
I’ve just drunk some tea
Have you found it yet
He has already left
4a
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)
did he leave
She has already seen the film
have not told them yet
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
Fill in the blanks with the correct forms of the words in brackets.
loves
has read
4b
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!
will be
finished
will write
has not read
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.
4c
You Your friend Comments
Books I have already read
Movies I have already seen
Songs I have already heard
Pair Work
用括号中所给单词的适当形式填空。
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.David hasn't ________(finish) ________(read) Harry Potter yet.
5.We ________ just ________(clean) the classroom.
6.I ________(lend) my bike to her yesterday, but she ____________ (not give) it back to me yet.
hasn't read
Have
has
seen
finished
have
cleaned
decided
reading
lent
hasn't given
Exercises