U4 Grammar
1.I don’t know what to do. I don’t know _________________.
2.Millie has decided what to read. Millie has decided ______________________.
1. 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.
1. He did not know where he could find other people. = _________________________________________.
2.He wondered who he could ask for help. = _______________________________________________________.
3.He did not know how he could break the ropes. = _____________________________________________.
4. He found out what he could do with the tiny man. = ________________________________________________.
5. He decided when he should leave Lilliput. = __________________________________________________.
6.I don’t know______________________________. =________________________________(怎么办)
He has to help the tiny men.
1.改为否定句。 He ___________________the tiny men.2.改为一般疑问句。 ___________________the tiny men？
肯定回答：Yes, ______________. 否定回答：No, _______________.
3.划线部分提问。 _______________________________？
4.用yesterday改写。 He _________________the tiny men yesterday.
5.用tomorrow改写。 He _________________the tiny men yesterday.
1. --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.
A. what to choose B. how to choose C. when to choose D. who to choose
2. --Dad, must we wait until the light becomes green --Yes, I’m afraid we ________. That’s the traffic rule.
A. can B. may C. have to D. need
3. Students in our school ____ know shouting is not allowed in the library.
A. can B. may C. must D. need
4. --Must we hand in our reports today -- No. you _________.
A. mustn't B. can't C. shouldn't D. don't have to
5. You _____be hungry after all that walking.(must/may/can/should)
1.Lucy想知道什么时间交报道。Lucy __________________________ the report.
2.我已经他展示了如何在线续借书。I have already showed __________________________ online.
3.Tom不确定明天怎么去上学。Tom ___________________________ tomorrow.
4.人们在图书馆里禁止抽烟。People__________________ in the library.
5.他们目前没有必要买电脑。They _______________ a computer at the moment.
补充练习
1.一Simon, I hear you are going abroad for further study. Have you decided _______ 一 Next September.
A. when going B. when to go C. how going D. how to go
2.I don’t remember _______ the book yesterday.
A. where I put B. where did I put C. where will I put D. where I will put
3.一Philip has gone to New Zealand． 一Oh，can you tell me________
A．when did he leave B．when he is leaving C．when he left D．when is he leaving
4.— Must I finish my homework now — No, you . You can go home now..
A. needn’t B. mustn’t C. shouldn’t D. can’t
5.—Must I go to medical school and be a doctor like you, Dad — No, you ____, son. You’re free to make your own decision.
A. can’t B. mustn’t C. shouldn’t D. needn’t
6.—Shall I take my swimming suit —No, you ______. We will just go hiking on the mountain.
A. mustn’t B. couldn’t C. needn’t D. can’t
7.— Dad, must I practice the piano today — No, you . You may do it tomorrow.
A. needn’t B. mustn’t C. shouldn’t D. can’t
综合练习
一、单项选择
1. —I usually go there by train.
—Why not ___ by boat for a change
A. to try going B. try to go C. to try and go D. try going
2.They have decided to go to Yangzhou for their holiday, but they have not decided ____yet.
A. when go B. what to do it C. how to go D. where to go
3. You ____ be careful with fire when you have a picnic in the forest. It’s too dangerous.
A. must B. can C. may D. will
4.—Why not go to Hainan for a trip this winter
— ______
A. Never mind. B. Because it’s too far. C. Sounds great! D. Because I’m poor.
5. — _____ watching Jacky Chen’s movie tonight —That’s a good idea.
A. Let’s B. What about C. Why not D. Why don’t you
6.—_____ I hand in my homework now, Mr Zhao
— No, you ______. You______ hand it in tomorrow.
A. Shall; may not; have to B. Can; mustn’t; need
C. Should; can’t; may D. Must; needn’t; can
7. You’d better ____ your daughter at home alone. She will be frightened.
A. don’t leave B. don’t to leave C. not to leave D. not leave
8. You are not busy today. ____ go to the zoo with Helen
A. What about B. Why don’t C. Why not D. Let’s
9. — I want to be as slim as Sandy. What should I do
— ____ you ____ exercise more.
A. Maybe; could B. Perhaps; should C. Maybe; must D. Perhaps; must
10. For everyone’s safety, we ______always remember the law against driving after drinking.
A. could B. should C. might D. would
二、按要求改写下列句子，每空一词。
1. The boy drank a glass of milk yesterday morning.(改为否定句）The boy _______ _____ a glass of milk yesterday morning.
2. I have already seen the film. (改为一般疑问句）______ you _____ the film_____
3.The girl goes to the park twice a month.（对划线部分提问）____ _____ _____ the girl ____ to the park
4. Can you show me how I can play this kind of computer games （改为同义句）
Can you show me _____ _____ _____ this kind of computer games
5. I don’t know where I will have my birthday party. I don’t know _____ _____ ____ my birthday party.
三、 翻译下列句子。
1. 他不知道如何解决这个问题。______________________________________________
2. 我父亲在学如何给他的朋友发电子邮件。________________________________________________
3. 我还没决定买哪一本书。_________________________________________________
4.他生病了，明天将不得不去医院。__________________________________________________
5.我们最好不要这么晚起床。___________________________________________________
过去式 过去分词(共26张PPT)
Unit 4 A good read
Grammar
The book is about Gulliver’s trips in some strange countries. A lot of amazing things happened. Gulliver also had a lot of difficulties.
What’s Gulliver’s Travels about
what to say.
how to run away.
Gulliver didn’t know
question word
to-infinitive
+
Millie has decided what to read.
Daniel did not say who to talk to about this book.
Simon forgot when to meet his friends.
Kitty cannot decide which to choose first.
Sandy is wondering where to ask for help.
Amy does not know how to write the report.
verb + question word + to-infinitive
介词不能省
All question words can be used in this way, except why.
Suzy will explain why to recommend this book.
×
√
question word + to-infinitive
Suzy will explain why she recommends this book.
verb + question word + to-infinitive
advise ask decide discuss find out forget know learn remember say
show teach think understand wonder
Gulliver wanted to get a map, because it could
show him where to find his boat.
Gulliver wanted to leave Lilliput, but he didn’t know how to talk to the tiny people.
verb + object + question word + to-infinitive
verb + question word + to-infinitive
verb + object + question word + to-infinitive
Mr 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.
Don’t forget to tell your mum where to meet you.
Gulliver wanted to get a map, because it could
show him where to find his boat.
Gulliver wanted to leave Lilliput, but he didn’t know how to talk to the tiny people.
verb + object + question word + to-infinitive
verb + question word + to-infinitive
The map could also show which way to run away.
verb + question word + noun + to-infinitive
They are discussing ___________________(涂哪种颜色) the walls.
You can ask your parents ______________________(带多少钱) with you.
which colour to paint
verb + question word + noun + to-infinitive
We can use a noun after what, which, whose, how many and how much.
how much money to take
Suzy was not sure who to ask for help.
Are you clear when to meet at the gate tomorrow
2. verb + object + question word + to-infinitive
1. verb + question word + to-infinitive
3. verb + question word + noun + to-infinitive
4. adjective + question word + to-infinitive
Rules
“疑问词+动词不定式”结构可以改写成由该疑问词引导的宾语从句。
e.g. I don’t know what to do.
I don’t know _________________.
what I should do
Millie has decided what to read.
Millie has decided ______________________.
what she should read.
1. 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.
which
how
how
what
when
where
用how, which, what, when, where填空。
(1) He did not know where he could find other people.
= _______________.
(2)He wondered who he could ask for help.
= _____________________.
(3He did not know how he could break the ropes.
= ______________.
(4) He found out what he could do with the tiny man.
= ______________.
(5) He decided when he should leave Lilliput.
= _____________.
(6) I don’t know______________________________.
(怎么办) =_________________________
where to find
同义句转换
who to ask for
how to break
what to do
when to leave
what to do / how to do it
what I should do /how I should do it
which to read
where to find
how to travel
when to hand in
what to write about
who to ask for
……
Amy and Daniel are talking about their Reading plete their conversation. Use the correct question words and to-infinitives. (P55)
We use must and have to to say that it is necessary to do something.
Gulliver knew that he must learn to talk to the tiny men, so he could ask them for help. He also knew that he must exercise every day. It could help him run away in the future. However, he couldn't find his boat, so he had to live in Lilliput. He had to help the tiny men carry heavy stones if he wanted to get help from them.
The speaker feels that something is necessary.
The situation makes something necessary.
have/ has to
had to
will have to
have/has got to
In Lilliput, Gulliver must not lie down in the fields. However, Gulliver didn’t have to live in the open space any more, because the tiny men helped him build a big house.
It is not necessary to do something.
Something is not allowed (允许).
He has to help the tiny men.
1.改为否定句。 He___________________the tiny men.
2.改为一般疑问句。 ___________________the tiny men？
肯定回答：Yes, ______________.
否定回答：No, _______________.
3.划线部分提问。 _______________________________？
4.用yesterday改写。
He_________________the tiny men yesterday.
5.用tomorrow改写。
He__________________the tiny men yesterday.
does't have to help
Does he have to help
What does he have to do
he doesn't
he does
will have to help
had to help
1. We use _____ when the speaker feels that
something is necessary.
2. We use ________________ to say that something
is not allowed.
3. We use _______ when the situation makes
something necessary.
4. We use _________________________ to say
that it is not necessary to do something.
must
must not
have to
do not have to
/ mustn’t
/don’t have to
Rules
must, must not, have to, do not have to
Amy is telling her cousin Shirley some library plete what she says with must, must not, have to or do not have to. (P56)
must
must
must not
must not
must
have to
do not have to
return
归还
on time
准时
renew
续借
must, must not, have to, do not have to
Library Rules
Summary
1. Using “question words + to-infinitives”.
2. Using “must” and have to”.
一、单项选择
1. --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.
A. what to choose B. how to choose
C. when to choose D. who to choose
2. --Dad, must we wait until the light becomes green
--Yes, I’m afraid we ________. That’s the traffic rule.
A. can B. may C. have to D. need
3. Students in our school ____ know shouting is not allowed in the library.
A. can B. may C. must D. need
4. --Must we hand in our reports today -- No. you _________.
A. mustn't B. can't C. shouldn't D. don't have to
5. You _____be hungry after all that walking.(must/may/can/should)
D
C
C
D
must
肯定性推测
二、完成句子
1.Lucy想知道什么时间交报道。
Lucy __________________________ the report.
2.我已经他展示了如何在线续借书。
I have already showed __________________________ online.
3.Tom不确定明天怎么去上学。
Tom ___________________________ tomorrow.
4.人们在图书馆里禁止抽烟。
People__________________ in the library.
5.他们目前没有必要买电脑。
They _______________ a computer at the moment.
wonders when to hand in
him how to renew books
isn't sure how to go to school
mustn't smoke
don't have to buy
1. Revise the usage of question words + to-
infinitives, must and have to.
2. Finish the exercises.
Homework
