新概念第一册 Lesson 131~132 课件(共32张PPT)

(共32张PPT)
Lesson 131
Don’t be so sure！
Review
表示对现在和将来的事做推测，与系动词be连用
肯定的推测：must be 肯定是
否定的推测：can’t be 不可能是
（而不是mustn’t be）
表示对过去的事做推测，与系动词be连用
肯定的推测：must have been 那时肯定是
否定的推测：can’t have been 那时不可能是
目录
Grammar
1
Vocabulary
2
Text
3
Grammar
情态动词表猜测---对目前状态推测
He might be a man.
He may be a driver.
mechanic
doctor
He might not be a man.
He must be a man.
He must be a policeman.
He can't be a woman.
He can't be a doctor.
He may not be a driver.
We may go abroad .
It may be cheaper.
We might not go anywhere .
思考：
may与might都是_____动词，后加___________,都表示____________
根据单双课内容，总结may表示推测，在句中可构成的结构：
表对将来的推测：
sb.+may +v.
sb.+may +be +n./doing./a./prep.phrase
表对过去的推测：
sb.+may +have+v.过去分词
sb.+may +have +been+n./doing./a./prep.phrase
must be /can’t be/ may be 情态动词表推测辨析
通过L129-L130与L131-L132课文内容，找出含有must be\can’t be\may be 的句子，然后进行如下总结
must be :通常用于________推测，语气较强 “_______”
can’t be : 通常用于_______推测 “_______”
may be :语气较弱 表“________”
表对过去的推测句型结构:___________________
结构：sb.+must/may/ can’t+have+v.过去分词
sb.+must+may /can’t/have +been+n./doing
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“情态动词+ have+ 过去分词”的用法
英语中，表示对过去某种情况进行推测或对已发生的动作或存在的状态进行推测，常用情态动词must, may, might, can, could, should, ought to, would等 ＋ have ＋ 过去分词表示。一般来说，说话人的语气或推测的把握程度不同，使用的情态动词也不同。
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may 的用法
1.表示请求、可以、允许。
You may drive the tractor.
2.may /might 推测性用法：可能
He may be right.
3.当回答由may 引起的问题时，否定答语要用must not,表示“不许可”、“不应该”、“不行”。
May I come in
No, you mustn’t.
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might的用法
1)表过去的“可能”和“允许”多用于间接引语。
She said that he might take her dictionary.
2)表现在的“可能”，其可能性要比may小。
Electric irons could be dangerous; they might give you a severe shock.
电熨斗会有危险，它可能电着人。
3)may (might) + have +done 表示对过去发生行为的推测，含有“想必”、“也许是”的意思。
It may have been true.
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注意:
1. 只用于肯定和否定句中,不用于疑问句中。
2. might 比may可能性更小
may no 可能不 can not不可
3. 表建议（可和as well 连用）
You may（might）as well stay where you are.
还是……的好
4. 表祝愿
2024/8/26
Brainstorm
What are you going to do during the holiday？
Where are you going to spend the holiday？
Where is Gary going to spend his holiday this year
Who wants to go to Egypt
Lesson 131 Don’t be so sure！
Listen and answer
New words and expressions
Egypt n. 埃及
Egyptian
n. 埃及人
adj. 埃及的；埃及人的
Pyramid
[ p r m d]
Sphinx
mummy
[sf ks]
abroad adv. 在国外
be abroad
go abroad
study abroad
在国外
出国
出国留学
My son is still living abroad.
我的儿子仍住在国外。
ab
road
abroad
去国外学ab(c)这条路不好走。
worry v. 担忧
He is worried about his work.
He worries about his work.
worry about
=be worried about
担忧，担心
他在担心他的作业。
Dialogue analysis
MARTIN: Where are you going to spend your holidays this year, Gary
1. be going to 计划，打算 (将来时）
2. spend – spent – spent
①度过
当“度过”讲时句型结构为：spend + n.(时光，假日)+地点状语
我打算到悉尼度假。
I am going to spend my holidays in Sydney.
我在一个小城镇度过了我的童年。
I spent my childhood in a small town.
②花费
sb spend some time (in) doing sth.=
It takes sb some time to do sth.
我花了两个小时去逛街。
I spent two hours (in) going shopping.
It took me two hours to go shopping.
GARY: We may go abroad. I’m not sure. My wife wants to go to Egypt. I’d like to go there, too. We can’t make up our minds.
3. go abroad 出国
4. would like to do sth= want to do sth
我想要睡一整天。
I’d like to sleep all day.
5. make up one’s mind to do sth= decide to do sth.
下决心/决定做某事
我决定要学习法语。
I made up my mind to learn French.
I decided to learn French.
make up one’s mind not to do sth.
下定决心不做…
我们下定决心，再也不吃肯德基了。
We made up our minds not to go to KFC.
需要注意的是：mind在这是可数名词。可以说：make up their minds/make up my mind
但是在change one’s mind中，mind是不可数名词: change their mind
MARTIN: Will you travel by sea or by air
GARY: We may travel by sea.
MARTIN: It's cheaper, isn't it
GARY: It may be cheaper, but it takes a long time.
6. by sea 乘船 = by ship
by air 乘飞机 = by plane
7. may be 与 maybe 表示“也许”
may be 做谓语
maybe 是副词
你也许是对的。
You may be right.
Maybe you are right.
GART: Don't be so sure. We might not go anywhere. My wife always worries too much.
8. worry about = be worried about 担心
9. too much 与 much too 的区别
too much “太多的..”
much too “太，非常”
总结：两词区别主要看后面的单词。
You eat _____________ meat.
It’s ________________ cold.
too much
much too
Who's going to look after the dog
Who's going to look after the house
GART: Who's going to look after the garden
We have this problem every year. In the end, we stay at home and look after everything!
10.look after = take care of 照看，照顾
11. in the end = at last 最后，最终
12. stay at home 呆在家里
look vi. (+ adj.)
look at… 看……
look after 照顾
look for 寻找
look into 调查
look around 环顾
look forward to doing sth. 渴望做某事
It’s cheaper, isn’t it
1. 你是学生，你不是吗？
You are a student, aren’t you
Yes, I am. 是的，我是。
No, I’m not. I am a dentist.
不，我不是。我是个牙医。
反意疑问句
前肯后否；前否后肯
2.你不会乘船去的，你会吗？
You won’t travel by sea, will you
Yes，I will.
不，我会的。
No, I won't.
是的，我不会。
1. Yao Ming is very tall, isn’t he
2. Yao Ming can’t play football, can he
3. Yao Ming plays basketball, doesn’t he
1.You have few friends ,____ ____
A: haven’t you B: have you C: don’t you D: you haven’t
2. You were on the farm yesterday, ____ you
A: didn’t B: don’t C: can’t D: weren’t
3. Don’t close the window ,____ you
A: did B: will C: was D: won’t
4.Joan’s late for school, ___ ___
A: wasn’t she B: hasn’t she C: isn’t she D: doesn’t she
5. There are few people on the playground, ___ ____
A: are there B: are they C: has he D: hasn’t he
Practcie
1 背诵L131的课文。
2.准备L129-132听写
3. 发L131的录音（课文读一遍， 单词两遍）
4. 完成练习册及出门测
5. 抄写单词
Homework