Unit 8 Have you read Treasure Island yet? Section A Grammar-4c课件(共24张PPT)

(共24张PPT)
八年级英语下（RJ）
教学课件
Section A (GF-4c)
Unit 8 Have you read
Treasure Island yet
Robinson Crusoe
Lead in
4a Use the words in brackets to
complete the conversations.
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 have just drunk some tea
Have you found it
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)
He has already left
did he leave
She has already seen the film
5. A: What do your parents think about
our plan
B: I __________________. (not/ tell
them/yet)
haven’t told them yet
4b Fill in the blanks with the correct
forms of the words in the 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.
loves
has
read
will be
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!
finished
will write
hasn’t read
4c Complete the chart with information about you and your friend.
A: What books have you already read
B: I have 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.
You Your friend Comments
Books I have already read
Movies I have already seen
Songs I have already heard
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.
难点：能正确使用现在完成时表达已经发生的事情，
辨析现在完成时和一般过去时的区别。
Grammar
现在完成时：The Present Perfect Tense
“洗衣服”是发生在过去的动作，对现在造成的结果是“衣服干净了”。
I have just washed my clothes.
1.过去某一时间点发生的动作对现在产生影响或结果。
一、意义
Present Perfect Tense
连用时间状语：already, yet, ever,
never, just, before, several times 等。
She has learned English for senven years.
2.某个动作从过去已经开始， 一直持续到现在, 还有可能持续到将来，动作的持续性要通过一段时间来表示。
“学英语”是发生在过去七年前的动作，一直持续到现在，将来还要继续学习。
now
senven years ago
in the future
一段时间
for+时间段（two hours /a long time...）
since +过去时间点 (10:00 / 1997 /yesterday...)
+一段时间+ago (three years ago)
+ last year / month / week/ Thursday...
+过去时的从句
自从我5岁起，就一直住在这里。
I_____ _____ here since I was five years old.
做题技巧: 有since , 用完成。
have lived
一段时间的表达方法:
自从
......
以来
二、结构(Structure):
肯定句: 主语+have/has+v-ed+....
否定句: 主语+haven’t/hasn’t+v-ed+....
一般疑问句：Have/Has+主语+v-ed+ …
肯定答语: Yes, 主格代词+have/has.
否定答语: No, 主格代词+haven’t/hasn’t.
Present Perfect Tense
I have got a letter from my aunt. (肯定句)
I haven’t got a letter from my aunt.
Have you got a letter from your aunt
Yes, I have.
No, I haven’t.
What have you got from your aunt
否定句
一般疑问句
否定回答
肯定回答
对划线部分提问
I have =I’ve have not = haven’t
she has = she’s has not= hasn’t
三、动词过去分词变化规则：
1、规则动词变化：大部分与动词过去式形式相同。
2、不规则动词变化：需要牢记，比如：
1) AAA式，如：
cut → cut → cut (切，割，剪)
cost → cost → cost（花费）
2) ABB式，如：
teach → taught → taught （教）
sweep → swept → swept （扫）
3) ABA式 如：
4) ABC式 如：
see → saw → seen（看见）
know →knew → known（认识；知道）
run → ran→ run （跑）
come → came → come（来）
现在完成时
意义
结构
过去分词变化
与一般过去时的区别
1.过去动作对现在造成
的影响或结果。
2.过去动作持续到现在,
还有可能持续到将来。
一般过去时：和过去有关联,强调动作是在过去某个时间发生的；和具体的过去时间状语连用。
助动词have / has
+ done (v-ed )
现在完成时：和现在有关联,强调对现在造成的影响或结果；不能用于what time, when 提问的特殊疑问句中。
Summary
Ⅰ.根据首字母和汉语提示完成单词。
1. Every Chinese takes pride in our scientific t (技术).
2. She stayed in Paris for half a year to learn F (法语).
3. My good friend Linda enjoys reading the science f (小说) very much.
echnology
rench
iction 　
Ⅱ.用所给动词的适当形式填空。
4. Jenny and Linda have just ________ (drink) some tea in the tea house.
5. My sister Emma has already finished ________ (read) the interesting book.
6. Jenny hasn't ________ (find) her keys yet.
7. Can you tell me when your sister is ________ (leave)
drunk
reading
found
leaving　
8. The girl has already ________ (tell) her mother the exciting news.
9. Anna has ________ (write) a letter to her best friend Susan.
10. Gina and Larry have ________ (see) the interesting movie.
told
written
seen
III.根据汉语提示完成下面的句子，每空一词。
1 我弟弟这些天在读一本科幻小说。
My brother is reading a ________ ________ these days.
2. 琳达已经打扫过这个房间了。
Linda ________ ________ the room ________.
3. 我们什么时候去上海？
When ________ we ________ ________ Shanghai
science fiction
has cleaned already
are leaving for
4. 我从没看过这部电影。
I ________ ________ ________ the movie.
5. 你想喝点什么吗？
Would you like ___________ ________ ________
have never seen
something to drink