Unit8 Have you read Treasure Island yet SectionA Grammar Focus课件(共20张PPT)人教版八年级下册

(共20张PPT)
Unit 8
Section A
Grammar Focus-4c
Have you read Treasure Island yet
你读过《小妇人》吗 是的，我读过。 / 不，我没有读过。
蒂娜读过《金银岛》吗 是的，她读过。她认为她很棒。
你已经决定写哪本书了吗 是的，我决定了。我已经读完它了。
它真的很好。
Have you read Little Woman 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.
找出现在完成时的结构，并圈出动词的过去分词形式。
1
(______) read--_______--________.
阅读
read
read
(______) decide--_________--________.
决定
decided
decided
(______) finish--_________--________.
完成
finished
finished
过去式
过去分词
meaning
动词过去分词形式的变化规则
2
动词过去分词的规则变化：________________________
stay → _______ → _______
work → _______ → _______
taste → _______ → _______
like → _______ → _______
study → _______ → _______
copy → _______ → _______
stop → _______ → _______
plan → _______ → _______
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
planned
planned
以辅音字母+y结尾的，变y为i 再 + ed
以重读闭音节结尾， 双写末尾字母，再+ed
动词过去分词形式的不规则变化
3
let → _______ → _______
cut → _______ → _______
read → _______ → _______
feel → _______ → _______
keep → _______ → _______
sleep → _______ → _______
let
let
cut
cut
read
read
felt
felt
kept
kept
slept
slept
以不变应万变.
动词中间有俩e，
去掉一个（ e ），后加t
动词过去分词形式的不规则变化
3
lend → _______ → _______
build → _______ → _______
send → _______ → _______
buy → _______ → _______
bring → _______ → _______
catch → _______ → _______
teach → _______ → _______
see → _______ → _______
lent
lent
built
built
动词字母d变t.
变为以-ought或-aught结尾.
bought
bought
brought
brought
sent
sent
caught
caught
taught
taught
saw
seen
现在完成时的定义：
past
I had breakfast.
I'm not hungry now.
present
I have already had breakfast.
（早餐过去吃的，现在不饿。）
表示表示动作发生在过去对现在造成的影响。
现在完成时：
一、 表示动作发生在过去对现在造成的影响。
Eg：1.
我已经吃过早饭了。
2.
你已经读过这本书了吗？
3.
我之前见过你。
4.
我不曾打电脑游戏。
5.
你曾经尝试过跟他交谈，对吗？
6.
他刚走。
7.
到目前为止，55个学生参加了考试。
I have already had breakfast.
Have you read this book yet
I have met you before.
I have never played computer games.
You have ever tried to talk with him, right
He has just gone.
55 students have taken part in the exam so far.
提示词： already; yet；ever; never; just;before;so far;
现在完成时的定义：
past
moved here in 2010.
I still live here now.
present
I have already lived here for 13 years.
（过去搬到这居住，现在还在这居住。）
表示动作发生在过去，一直持续到现在，
并还有可能持续下去。
二、动作发生在过去，一直持续到现在，并还有可能持续下去。
Eg:1.
李老师在芮城住了三年了。
2.
自从我13岁就在第三中学读书。
3.
从早上11点开始，我们就在学英语。
Miss Li has lived in Ruicheng for 3 years.
I have studied in the Third Middle School since I was 13.
We have learned English since 11:00 am.
提示词：for+时间段；since+时间点或since+时间状语从句
现在完成时的标志：
have/has + done
谓语动词必须用延续性动词
句子结构
肯定句：I have read Robinson Crusoe.
2. 否定句：She hasn’t watched the movie.
3. 一般疑问句: Have you ever visited a history museum
特殊疑问句： Who have you visited at school
主语 + have / has done +其他
主语 + have not / has not done+其他
Have/ Has + 主语 +done+其他？
Eg: 1.我找到我的钢笔了。
2.我还不知道他的名字。
3.你吃过早饭了吗？
4.你做了什么早饭？
I have found my pen.
I haven’t known his name.
Have you had breakfast
特疑+ have/has +主语+ done +其他？
What food have you made for breakfast
现在完成时 一般过去时
用法
时间 状语
谓语 动词
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, ever, never, just, before,so far, since+时间点/时间状语从句, for+段时间 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。
与一段时间连用时，谓语动词要用延续性动词而不用非延续性动词。
谓语动词没有延续性或非延续性动词的限制。
I saw this film yesterday.
（强调看的动作发生过了）
I have seen this film.
（强调对现在的影响，电影的内容已经知道了）
Why did you get up so early
（强调起床的动作已发生过了）
Who hasn't handed in his paper
（强调到现在为止还有卷子未交）
Fill in the blanks with the correct forms of the words in brackets.
4b
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
Use the words in brackets to complete the conversations.
4a
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
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
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)
haven’t told them yet
She has already seen the film
4c
Complete the chart with imformation about you and a friend.
Complete the chart with information about you and a friend. Then make a report.
My opinion You Your friend Comments
Books I have already read Tom Sawyer Harry Potter
a bit boring
exciting
Movies I have already seen
Songs I have already heard
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.
What are they like
Try to make a report to the class.
For example:
I’ve already read the book_____. I think it’s_______. My friend _______ has read a book called ______. He/She thinks it’s ________ and he/she…