2022年外研社九年级下册中考总复习情态动词课件(共18张PPT)

(共18张PPT)
情态动词 总复习
Yoyo
情态动词
can
may
might
should
need
could
shall
must
will
would
had better
have to
情态动词___具体的词义，
情态动词_____人称和数的变化。
情态动词后必须跟__________。
一般疑问句提前边，否定句在后直接加 not.
有
没有
动词原形
但词意不完整。
情态动词+ V原=谓语动词
历年中考常考的情态动词用法有：
情态动词本身含义
Eg: She _____draw well so she wants to be a painter in the future.
考察情态动词 表示推测的用法
Eg: ---Is Lucy knocking at the door
---No. It ____be Lucy. She is in Japan.
A. needn’t B. must C. can’t
考察一般疑问句的回答方式
Eg: --May I pick a flower in the garden
-- ________.
A. No, you needn’t B. Not, please.
C. No, you mustn’t D. No, you won’t
C
C
目 录
复习部分情态动词的用法
易混情态动词解析
情态动词表示推测
can’t 不可能；不可以
can 能；可以
may not 可能不
may 可能；可以
needn’t 不需要；不必
must 必须；一定
mustn’t 禁止
need 需要
should 应该
shouldn’t 不应该
had better do sth 最好做...
had better not do sth 最好不...
can
① 表示能力
He can speak English.
③ 表示猜测--100%否定
Can you help me
② 表示请求或允许
--Look at boy at the gate! It’s our son.
--That can’t be our son, because he went to Shanghai yesterday .
can’t 不会；
不可能
can
表请求时—— could语气更委婉，主要用于疑问句，答语应用can.
Could you help me
Yes, I can.
{{
-could
can be able to
时态
含义
主语
can和 be able to
can -could
多种时态
与生俱来的能力
经过努力所得的能力
Eg: When he was a little boy, he _______only cry. But now, he is brave. And he _________ fight with dogs.
could
is able to
Anything
有生命的个体
No, you _________
may
①表示请求或允许
May I come in
can≈may
{
mustn’t / you can’t.
Yes, you may.
may-might语气较为婉转客气
比can正式
② 表示希望、祝愿。
③表示猜测（可能） :
May you be happy！ 祝你幸福！
下周她可能到上海去。
may-might语气更加不肯定。
She may / might go to Shanghai next week.
maybe和 may be
maybe may be
含义
位置
那个男孩可能来自加拿大。
Eg: Maybe the boy is from Canada.
=The boy may be from Canada.
“可能；也许”
≈perhaps
may+V原 “可能是”
用于句首作状语
在句中作谓语
must
01
02
表示命令“必须”
You must come early tomorrow．
mustn’t 不许；禁止
一般疑问句的回答
--Must you come early tomorrow
-- Yes, you must.
-- No, you needn’t / don’t have to.
03
表示猜测：100%肯定， “一定；肯定”
They must be at home. The light is on.
表推测
must 一定，肯定　　（100%的可能性）
may＞might, could 有可能，也许（20%~80%的可能性）
can’t 不可能，不会（可能性几乎为零）
对某事判断的程度：
must ＞ may＞could ＞ might ＞ can’t
Exercise
1. -—Is that girl under the tree Mary
—No, that _______ be Mary. She is in New York.
A. can B. mustn’t C. can’t
2. —Look! Mr. Smith is running on the playground. He likes running in the morning.
—No, it _________ be him. He has gone to Shanghai on business.
A．can B．can’t C．might D．mustn’t
3.Bill has been driving all day. He ________ be tired.
A．need B．must C．shall D．can
C
B
B
must have to
时态
含义
否定
无
多种时态
说话者主观的态度
客观条件，说话者被迫
区分 must & have to
You ______read the book in the library.
I ________ stay at home because of the heavy rain.
mustn’t
don't have to 不必=needn't.
must
have to
has to; had to; will have to
need
01
作情态动词
“需要”，need do sth
Ｉ need buy a big house.
I need to buy a big house.
作行为动词
“ need to do sth. 需要做某事
Need I buy a big house
--Yes, you must.
-- No, you needn’t / don’t have to. (不必要)
{{
02
和must回答方式一样
Do you need to buy a big house
【注意】作行为动词，有人称、数和时态的变化
Exercise
1. ---Dad, must I finish my homework today？
---No, you ____. You may finish it tomorrow.
A. needn’t B. mustn’t C. don’t D. won’t
2. ---May I put my bike here
---No, you ___. You should put it over there.
A. may not B. mustn’t C. needn’t
3. ---Lisa, ___ you speak French ---Yes, but only a little.
A. may B. can C. need D. must
4. ---___I use your mobile phone ---Certainly. Here you are.
A. May B. Must C. should D. need
A
B
B
A
Exercise
5.--- Mum, can I go to the movies today
--- No, and you ____ finish your schoolwork first.
A. can B. can’t C. must D. needn’t
6. I’m sure this book ____ Li Lei’s, because there is his name on it.
A. can’t be B. may be C. might be D. must be
7. ---Is Lucy knocking at the door
---No. It ____be Lucy. She is in Japan.
A. needn’t B. must C. can’t
8. ---Have you seen my glasses I ___find them.
---Sorry, I haven’t seen them.
A. can’t B. shouldn’t C. won’t D. mustn’t
C
D
C
A
Exercise
9.You _______ stop when the traffic light turns red.
A. can B. had better C. need D. must
10 . —Shall we take a taxi
—No, we _______. It’s not far from here.
A. can’t B. mustn’t C. shouldn’t D. needn’t
D
D
谢谢观看
教师：木哈哈哈
课节：XXX