Unit 8 Have you read Treasure Island yet?Section A Grammar Focus-4c课件(共27张PPT)

(共27张PPT)
Unit 8
Have you read Treasure Island yet
Grammar Focus-4c
I had breakfast at 7:00.
past
now
future
吃早餐
7：00
一般过去时
I’ve already had breakfast.
past
now
future
吃早餐
我不需要再吃早餐了。
现在完成时
现在完成时
过去发生的动作对现在造成的影响或者结果。
past
now
future
过去的动作
影响或者结果
past
now
future
has finished
影响或者结果
现在完成时的用法（1）：表示过去发生或已经完成的动作（短暂性动词）对现在造成的影响或结果，强调的是现在的影响或者结果。
标记词：already，yet，ever，never，just
Tom has already finished reading the book.
has been
past
now
future
have lived
1996
现在完成时的用法（2）：表示过去某一时间开始（延续性动词）并一直持续到现在的动作或者状态。
标记词：for+时间段；since+时间点
They have lived here since 1996.
His father has been in China for 5 years.
past
now
future
5 years ago
Practice makes perfect
Fill in the blanks with the proper form.
1. I____ already ____ (see) the film. I ________ (see) it last week.
2. _____ he _______(finish) his work today Not yet.
3. My father ____ just ____ (come) back from work. He is tired now.
4. Where’s Li Ming He __________ (go) to the teacher’s office.
5. I ________(work) here since I ______ (move) here in 1999.
6. So far I ___________(make) quite a few friends here.
have
seen
saw
Has
finished
has
come
has gone
moved
have made
have
现在完成时基本结构：have/has+V过去分词
动词的过去分词
规则变化
规则动词的过去分词与动词的过去式基本相同，主要是在词尾加-ed或-d。具体的有：
（1）直接加-ed。如：worked、played。
（2）以不发音的e结尾的动词后加-d。如：lived、danced。
（3）以辅音字母加y结尾的动词后改y为i，再加-ed。如：studied、cried。
（4）以重读闭音节结尾的动词后，双写最后一个辅音字母再加-ed。如：stopped、dropped、patted。
动词的过去分词
不规则变化（1）AAA型。
动词 过去式 过去分词 意思
hit hit hit 撞；打
let let let 让
read read /red/ read /red/ 读
他已经读了5本书了。
He has already read 5 books.
动词的过去分词
不规则变化（2）ABB型。
动词 过去式 过去分词 意思
build built built 建造
spend spent spent 花费
lend lent lent 借出
他们已经为晚会准备了3个小时。
They have already spent 3 hours in preparing for the party.
动词的过去分词
不规则变化（3）ABA型。
动词 过去式 过去分词 意思
come came come 来
become became become 变成
他们还没有来。
They haven’t come yet.
动词的过去分词
不规则变化（4）ABC型。
动词 过去式 过去分词 意思
wear wore worn 穿；戴
go went gone 去
drink drank drunk 喝
约翰已经去了上海。
John has gone to Shanghai.
动词的过去分词
不规则变化（5）AAB型。
动词 过去式 过去分词 意思
beat beat beaten 打败
林丹已经击败李宗伟很多次了。
Lin Dan has beaten Li Zongwei many times.
现在完成时与already连用
already 意思：“已经”，常用于肯定句中。
位置：一般置于助动词have/has之后，过去分词之前，但也可放在句末。
翻译：我已经看过这部电影了。
我已经解决了这个问题。
我已经做完家庭作业了。
I have already seen the film.
I have already solved this problem.
I have finished my homework already.
现在完成时与yet连用
yet 位置：在现在完成时句型中常置于句末。
（1）意义： “已经”，常用在疑问句中。
琳达已经从图书馆借了这本书了吗
Has Linda borrowed this book from the library yet？
（2）意义：“还”，常用于否定句。
他还未开始工作。
He has not begun to work yet.
现在完成时与just连用
just 意义：“刚刚”，常用于肯定句中。
位置：一般置于助动词have/has之后，过去分词之前。
我刚吃过午饭。
I have just finished lunch.
我们刚刚听说她的婚讯。
We have just heard of her marriage.
Fill in the blanks with already, yet,or just.
(1) – Have they taken down the old pictures ______
– No, not _____.
(2) Most of us have ________(已经) finished our compositions.
(3) He said he hadn’t visited the museum ______.
(4) Mike has _____ (刚刚) arrived at the party.
yet
yet
already
yet
just
现在完成时的疑问句
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.
4a: Use the words in brackets to complete the conversation.
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)
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)
I’ve just drunk some tea
Have you found it yet
He has already left
did he leave
She has already seen the film
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 book 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
现在完成时与一般现在时
Sally loves reading.
一般现在时：强调动作是经常性的和习惯性的。（喜欢读书）
She has already read more than 100 different books!
现在完成时：强调发生在过去的动作对现在造成的影响或者结果。（发生在过去的动作：read ；对现在造成的影响：已经读了超过100本书。）
现在完成时与一般过去时
She finished reading a book about robots last week.
她上周读了一本关于机器人的书。（陈述一个事实，并且读书已经结束）
一般过去时：表示过去的事实或动作，不表示和现在的关系。事实或动作发生在过去，已经结束。
过去时常与具体的时间状语连用： yesterday , last week/year , …ago , in1980 , just now
现在完成时与一般过去时
She has already finished reading a book about robots.
现在完成时：强调发生在过去的动作对现在造成的影响或者结果。
发生在过去的动作：finished reading a book about robots ；
对现在造成的影响：她已经读过一本有关机器人的书。
现在完成时的时间状语 ：for+时间段, since+时间点, so far, up to now, in the past ***years
现在完成时与一般将来时
She will write a book report about it next week.
She loves to imagine what the world will be like in 50 years.
一般将来时：强调动作发生在未来，动作还没有发生。
Practice makes perfect
Fill in the blanks with the proper form.
1. He ________ (go) to school on foot every day.
2.____ you ______ (find) your science book yet
3. If it ____ (be) fine tomorrow, I'll go with you.
4. The students ____________ (read) English when the teacher came in.
5. Look! The monkey __________ (climb) the tree.
6. My mother __________ (come) to see me next Sunday.
7、—______ you ___ your homework yet
—Yes. I _____ it a moment ago.
Ａ. Did; do; finished Ｂ. Have; done; finished
Ｃ. Have; done; have finished Ｄ. will; do; finish
goes
Have
found
is
were reading
is climbing
will come
B
用括号内所给单词适当形式填空。
1 .Judy has already ____________ (finish) reading Little Women.
2. Tom and Mike have already ____________ (decide) to learn Chinese on Internet.
3. Have you _____________ (read) Alice in Wonderland yet
4. It often _____________ (snow) in North China in winter.
5.-Where is Miss Wu -She ______________(go)to English on business.
6.They __________________(not come)back yet
finished
decided
read
snows
has gone
haven't come
Practice makes perfect