课件39张PPT。Unit 4 A good readGrammar2019-1-5vi. 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hand
hand in
and so on
review
return
on time
renew2019-1-5To learn to use question words + to-infinitives
To learn to use must and have to Objectives2019-1-5语法讲解建议采用归纳法,如尽可能多的呈现一些相关例句,或可让学生从已学课文中找相应例句,引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。2019-1-5Look at the following sentences.1. Some dogs just don’t know how to have
fun. (七年级上册 U4)
2. I’m thinking about what to wear.
(七年级上册 U8)
3. I was just wondering how to spend the
morning … (新概念2 L68)
4. I must go to the greengrocer's.
(新概念1 L79)2019-1-55. He has a bad cold, Mr. Williams, so he
must stay in bed for a week.
(新概念1 L61)
6. Eddie, I think we have to go up again.
(七年级下册 U4)
7. We don’t have to feed her much.
(七年级下册 U8)
8. Do you have to water it now?
(新概念1 L125)2019-1-59. Have you decided what to do with these
books, Hobo? (P48)
10. I have to use them to reach the box on
the fridge. (P48)
11. I did not know what to say either.
(P51)
12. “I must run away from them,” I
thought, but I did not know how to get
away. (P51)2019-1-5Guessing Gameto test your sense of observation
to test your ability of short-term memory
to test your ability to highlight the language points2019-1-5Fill in the blanks.1. Some dogs just don’t know ___________
fun.
2. I’m thinking about ____________.
3. I was just wondering ____________ the
morning …
4. I _____ go to the greengrocer's.
5. He has a bad cold, Mr. Williams, so he
_____ stay in bed for a week.
6. Eddie, I think we _______ go up again. how to havewhat to wearhow to spendmustmusthave to2019-1-57. We don’t ________ feed her much.
8. Do you _______ water it now?
9. Have you decided __________ with these
books, Hobo?
10. I _______ use them to reach the box on
the fridge.
11. I did not know ___________ either.
12. “I must run away from them,” I
thought, but I did not know _________
away. have tohave towhat to dohave towhat to sayhow to get2019-1-5I?don’t?know?what?______ next.? A. will do???????? B. doing
C. do??????????? D. to?do
— Do we have to finish our homework
this afternoon?
— Yes, you ______.
A. must B. can
C. may D. need 2019-1-5以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解,下面就让我们根据
之前练习的考察情
况进一步选择讲解
该语法项的重难点。2019-1-5Using question words + to-infinitives2019-1-5我们可以用“疑问词 + 动词不定式”结构作动词的宾语。疑问词包括疑问代词who, what, which及疑问副词when, how, where等。常和“疑问词 + 动词不定式”结构连用的动词和动词短语有:tell, show, think, learn, know, wonder, decide, remember, forget, understand, see, hear, ask, advise, explain, find out等。2019-1-5The 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。 2019-1-5The teacher told the students how to do the experiment.
老师告诉学生如何做实验。
Can you show me how to make a paper boat?
你能给我演示怎样做一只纸船吗? 有些动词,如advise, ask, show, teach, tell等,其后可以接双宾语。2019-1-5有些疑问词,如what, which, whose, how many, how much等,其后可以先接一个名词,再接动词不定式。
I don’t know which topic to choose.
我不知道选哪个题目。
在“疑问词 + 动词不定式”结构前,有时也可以是如sure, clear等的形容词。
I am not sure which way to take.
我不确定走哪条路。 2019-1-5“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)2019-1-5“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 how I can get to the bookshop?注意:
所有疑问词中,只有why不可以与动词不定式连用。2019-1-5Using must and
have to 2019-1-5must与have?to是两个常用的情态动词,两词后面都接动词原形。在使用时,应注意两词间的差别。
must 表示主语“有义务”的“必须”做某事,强调说话人的主观看法,主要用于肯定句和疑问句;must 还可以表示肯定推测,意思是“一定”。
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。2019-1-5I?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)2019-1-5must的否定形式是must not,其缩写为mustn’t,表示禁止,意思是“不能,不许”。
have?to的否定形式是do not have to,其缩写为don’t?have?to。
You?mustn’t?make?any?noise?in?class.
上课时你们不许吵闹。
You?don’t?have?to?water?the?flowers.?
For?it?is?going?to?rain.
你们不必浇花了,因为要下雨了。2019-1-5Time for reflection不定式可以和疑问代词who, what, which及疑问副词when, how, where等连用,构成不定式短语,在句子中作主语、宾语、表语等。
must表示主观的义务和必要,意思是“必须,得,要”,否定形式是must not;
must还可以表示肯定推测,意思是“一定”。
have to表示一种客观的需要,意思是“不得不”,否定形式是do not have to。2019-1-51. 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。2019-1-53. — 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 2019-1-54. — 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 choose2019-1-55. 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 2019-1-57. — 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 2019-1-59. — 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. need2019-1-5 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。2019-1-5 Andy doesn't know _____________.what to wearIII. 看图完成句子。2019-1-5Millie can’t decide _________________.which book to buy2019-1-5They don’t know _________ to the station.how to go2019-1-5I don’t know how _______________ from a library.to borrow books 2019-1-5IV. 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 book2019-1-54. 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 belts2019-1-5PreviewTo preview Integrated skills on Pages 57 and 58
To learn to borrow books from a library2019-1-51. Review the Grammar.
2. Finish the exercises on Pages
55-56.Homework2019-1-5