课件35张PPT。Unit 4 A good readGrammar 1hand
hand in
and so on
review
return
on time
renewvi. 交;递,给
上交,递交
……等等
n. 评论
vt. 归还
准时
vt. 续借;更新;重新开始Words and phrases review Andy doesn't know _____________.what to wear看图完成句子。Millie can’t decide _________________.which book to buyThey don’t know _________ to the station.how to goI don’t know how _______________ from a library.to borrow books To learn to use question words + to-infinitives
To learn to use must and have to ObjectivesGulliver didn’t know what to say.
Gulliver didn’t know how to get away.Use a question word with a to-infinitive after a verb. Using question words + to-infinitivesMillie has decided .(读什么)
Daniel didn’t say .(与谁谈话)
Simon forgot . (何时与朋友见面)
Sandy is wondering .(去哪里寻求帮助)
Amy doesn’t know .(如何写报告)what to readwho to talk towhen to meet friendswhere to ask for helphow to write the reportShe will explain why to recommend this book.×She will explain why she recommends this book.√ Using a verb and an object before a question word + to-infinitivesMr Wu advised us which to choose as after-school activities.
The students asked their teacher when to hand in their work.
Millie showed us what to do next.
Daniel taught himself how to use a computer to draw.有些动词,如advise, ask, show, teach, tell等,其后可以接双宾语。 Using a noun after a question word + to-infinitivesThey are discussing which colour to paint the walls.
You can ask your parents how much money to take with you.Suzy was not sure who to ask for help.
Are you clear when to meet at the gate tomorrow? Using an adjective before a question word + to-infinitivesThe young woman doesn’t know what to do.
那位年轻女子不知道怎么办。
I don’t know what to say.
我不知道说什么。
We must know how to operate the machine.
我们必须弄懂如何操作这机器。
We want to learn how to write plays.
我们想要学习如何写剧本。 “疑问词 + 动词不定式”结构在句中还
可以作主语和表语。
How to use the machine is a question.
(作主语)
The question is when to go there.
(作表语)“疑问词 + 动词不定式”作宾语时,相当于一个由该疑问词引导的宾语从句。
Excuse me. Can you tell me how to get to the bookshop?
= Excuse me. Can you tell me __ _ _ get to the bookshop?He forgot when to meet his friends.
He forgot when _____ ______ meet his friends.how I canhe could PracticeFinish the exercises on P55.他想知道明天在哪会见他的朋友。
昨天她问我们何时上交作业。
我们正在商量去参观哪个地方。
我不确定明天怎么去上学。
她不能决定买哪条裙子。 SummaryHe wonders/wants to know where to meet his friends tomorrow.She asked us when to hand in homework yesterday.We are discussing which place to visit.I’m not sure how to go to school tomorrow.She can’t decide which skirt to buy.Grammar2Unit 4 A good readGulliver was tied to the ground. So he must run away.Study is very important.
So we must study hard.We use must when the speaker feels that something is necessary.He mustn’t lie on the ground.We mustn’t talk in class.PracticeGet the students to make up new sentences using “must”.Gulliver was tied to the ground. He has to lie on the ground.Grandma is ill. She has to see the doctor.We use have to when the situation makes something necessary.She doesn’t have to worry about herself.He doesn’t have to shout at the tiny men.PracticeGet the students to make up new sentences using “have to”.Complete the following sentences with ‘must, mustn’t,
have to, don’t have to’.
You keep quiet in the library.
You keep the books clean and tidy.
You draw or write in the books.
You eat or drink in the library.
You return the books on time, if you want to keep them longer, you renew them.
You bring your student card every time you go to the library, but remember to bring your library card.
Library rulesmustmustmustn’tmustn’thave tohave todon’t have tomust与have?to是情态动词,接动词原形。。
must 表示主语“有义务” “必须”,强调说话人的主观看法,主要用于肯定句和疑问句;
must be+n/adj
must +V原 (现在肯定推测, “一定”。)现否 can’t+be/V
eg. He is sleeping. He ____ ____sleepy.
There is someone knocking on the door. It ____ ____ Jim.must bemust beMust I finish the homework today?
Yes, you _______.
No, you _________/____________/______________.
must 的疑问句,肯定回答must, 否定回答needn’t/don’t have to/don’t need to. must needn’t don’t have to don’t need tomustn’t “禁止”
eg. You _______play football/smoke in the classroom.
have?to?强调的是客观需要,意思
是“不得不”。have?to 有人称和数的变化。否:don’t have to
He ___ ___ wear light clothes because it’s so hot.
He was ill. I ________ stay at home to look after him. mustn’t 用于对may 的否定回答。mustn’thas tohad toI?must?work?hard?at?my?lessons.??????
我必须努力学习功课。(主观意愿)
I?have?to?look?after?mother?at?home.??
For?she?is?ill.?
我得在家照看妈妈,因为她病了。(客观需要)
It is getting dark. He has to go home now.
天快黑了。他现在得回家了。(客观需要)1. I’m going on a field trip but I haven’t
decided ______. (2007河南)
A. what to do B. to do what
C. where to go D. to go where
2. Excuse me. Would you please tell me
______ buy a digital camera?
(2007安徽)
A. what to B. where to
C. what I can D. where can I I. 单项选择。3. — This physics problem is too difficult.
Can you show me ______, Wang
Lin?
— Sure. (2008陕西)
A. what to work it out
B. what to work out it
C. how to work it out
D. how to work out it 4. — We need a new leader for our
Helping Hands Club, but I don’t
know ______.
— Why not Mary? She is always
willing to help others.
(2011江苏南通)
A. what to choose B. how to choose
C. when to choose D. who to choose5. The math problem is so hard. I really
don’t know ______. (2012甘肃鸡西)
A. how to do it B. how to do
C. what to do it
6. — Excuse me. Could you tell me
______ get to the nearest post office?
— Sorry, I am new here.
(2013山东威海)
A. how can I B. how I could
C. how to D. what I can 7. — Excuse me. Could you please tell
me ______ my car?
— Sure. Park it right here. I’ll help
you. (2013山东青岛)
A. how to stop B. where to park
C. where to stop D. when to park
8. — ______ I swim here?
— I’m sorry. Children ______ swim
alone here. (2012广东)
A. Must; can’t B. May; must
C. Can; mustn’t D. Can’t; can 9. — Dad, must we wait until the light
becomes green?
— Yes, I'm afraid we ______. That's
the traffic rule. (2013河南)
A. can B. may
C. have to D. need
10. Students in our school ______ know
shouting is not allowed in the library.
(2013山东莱芜)
A. can B. may
C. must D. need When I go into the clothes shop, I
always can’t decide ______ one to buy.
2. My grandfather doesn’t know ______
to use a computer.
3. --- Will you please show me _____ to
drive a car?
--- Yes, of course. Now let me tell you
_____ to do first.
4. I will tell Lucy ______ and _______
to meet.whichhowhowwhatwhenwhereII. 选用how, which, what, when, where填空。IV. 翻译下列句子。1. Have you decided _____________
____________ (怎样度假)?
2. I don’t know ______________________
(在会上说什么).
3. Can you tell me ___________________
(在哪里能买到这本书)? your holidayhow to spendwhat to say at the meetingwhere to buy this book4. Drivers ___________________ (必须系
安全带) while their cars are running on
the road.
5. — _____ (必须) I finish my homework
now?
— No, ________________ (你没必要).
Your work is over today. Mustyou don't have tomust wear seat beltsHomeworkUse ‘must, have to’ to make more sentences.
2. Finish the exercises in your workbooks.