资源简介

(共25张PPT)
Unit 8
Have you read
Treasure Island yet
Section A Grammar Focus-4c
1.______ ______ ______him before.
2.______ ______ to talk with you again.
3.______ ______ changes for you ,Shrek.
4.How long ______ he ______ ______
5.______ you______ imagined a future with me
6.My dream ______ ______ true.
7.Their mother ______ ______ ______ for five months and ______ ______half of her body weight.
Lead in
Try to find out the sentences about
present perfect tense（现在完成时）.
Present perfect tense
I’ve never seen
I’ve come
I’ve made
has been gone
Have ever
has come
has not eaten
has lost
Grammar
Try to find out more examples in 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.
Try to find out grammar points!
I have already read Little Women .
past
present（now）
future
过去读的书，强调现在对书有一定的了解了。
现在完成时
Grammar
现在完成时
She has lived here for five years.
past
present（now）
future
表示该动作从过去持续到现在，可能还会继续持续下去
Grammar
现在完成时定义
I have already read Little Women .
She has lived here for five years.
1.过去的动作/状态对现在造成的影响或结果。
2.在过去某个时间开始并持续到现在的动作或者
状态，有可能还会继续下去。
Grammar
现在完成时构成
I have eaten lunch .
She has not brought back anything.
have/has done（过去分词）
Grammar
过去分词的构成
Grammar
动词过去分词的规则变化：________________________
stay → _______ → _______
work → _______ → _______
taste → _______ → _______
like → _______ → _______
study → _______ → _______
copy → _______ → _______
stop → _______ → _______
drop → _______ → _______
stayed
stayed
worked
worked
tasted
tasted
liked
liked
studied
studied
copied
copied
stopped
stopped
与该动词的过去式相同
一般情况下直接 + ed
以不发音e结尾的直接+ d
dropped
dropped
以辅音字母+y结尾的，把y变i 再 + ed
以重读闭音节“辅元辅”结构
结尾的， 双写尾字母，再+ed
Grammar
过去分词的构成
动词过去分词的不规则变化：________________________________
cut → _______ → _______
cost → _______ → _______
hit → _______ → _______
put → _______ → _______
read →_______ → _______
hurt → ________ → ________
cut
cut
cost
cost
hit
hit
put
put
read
read
hurt
hurt
与该动词的原形及过去式相同
AAA型
Grammar
过去分词的构成
动词过去分词的不规则变化：_________________________________
become → _______ → _______
come → _______ → _______
run → _______ → _______
became
become
came
come
ran
run
与该动词的原形相同
ABA型
Grammar
过去分词的构成
动词过去分词的不规则变化：_________________________
meet → _______ → _______
keep → _______ → _______
sleep → _______ → _______
make → _______ → _______
bring → _______ → _______
buy →_______ → _______
think → ________ → ________
teach → ________ → ________
met
met
kept
kept
slept
slept
made
made
brought
brought
bought
bought
thought
thought
taught
taught
与该动词的过去式相同
ABB型
Grammar
过去分词的构成
动词过去分词的不规则变化：_________________________________
begin → _______ → _______
speak → _______ → _______
choose → _______ → _______
forget → _______ → _______
drive → _______ → _______
write → _______ → _______
break → _______ → _______
eat → _______ → ________
began
begun
spoke
spoken
chose
chosen
forgot
forgotten
drove
driven
wrote
written
broke
broken
ate
eaten
与该动词的原形与过去式都不同
ABC型
Grammar
现在完成时标志词
常和 just（刚刚），already（已经），yet（还，仍然），ever（曾经），
never（从未），before（以前），so far（到目前为止）等连用。
意为“已经”，用于肯定句，可放在助动词之后，过去分词之前，也可以放在句末。
already
yet
疑问句中表“已经”，用在否定句中表“还”，常放在句末。
Have you found your lost pen yet
No, I haven’t found it yet.
I have already watched the TV play.
我已经看过这部电影了。
Grammar
现在完成时基本句式
I have already decided
which book to write about .
肯定句
否定句
一般疑问句
I haven’t decided
which book to write about yet .
Have you decided which book to write about yet
Yes, I have. / No, I haven’t.
He has done his homework
for 3 hours.
He hasn’t done his homework
for 3 hours.
Has he done his homework
for 3 hours
Yes, he has. / No, he hasn’t.
He has done his homework
for 3 hours.(划线提问）
How long has he done his homework （特殊疑问句）
Grammar
现在完成时基本句式
肯定句：主语 + have/has done +其他
否定句：主语 + have/has not done+其他
疑问句：Have / Has＋主语＋过去分词＋其他
Yes, 主语＋have/has.
No, 主语＋have/has not.
特殊疑问句：特殊疑问词+have/has+主语+过去分词 ？
Grammar
一般现在时 VS 现在完成时
He ate lunch just now.
过去吃的，现在饿不饿不知道。
一般过去时：
①侧重点在于陈述过去的动作或状态。
②动作已结束并与现在没联系。
He has already eaten lunch .
过去吃过了，现在还饱着，不用再吃了。
现在完成时：
①强调过去的动作或状态对现在的影响。
②在过去某个时间开始并持续到现在的
动作或者状态，有可能还会继续下去。
Practice
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 yet
Use the words in brackets to complete the conversations.
4a
Practice
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
Practice
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!
has
loves
确认时间标志，用对时态结构！
4b
Fill in the blanks with the correct forms of the words in brackets.
read
will be
finished
will write
has not read
can’t wait to do sth
迫不及待地去做某事
Practice
Complete the chart with information
about you and your friend.
4c
You Your friend Comments
Books I have already read
Movies I have already seen
Songs I have already heard
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.
Practice
I’ve already read the book____________.
I think it’s ____________.
I’ve already seen the movie ____________.
I think it’s ____________.
I’ve already heard the song____________.
I think it’s ____________.
My friend has already read the book____________.
He / She thinks it’s ____________.
He / She has already seen the movie ____________.
He / She thinks it’s ____________.
He / She has already heard the song____________.
He / She thinks it’s ____________.
Show your report !
Summary
Homework
Level B:Draw a mind map of Present perfect tense .
Level A:Talk about your favorite book you have ever read or the best movie you’ve ever seen, and make a report next class.
Try to finish the following tasks .
THANK YOU!

展开更多......

收起↑