Unit 8 It must belong to Carla.Section A Grammar Focus-4c课件(共33张PPT)

(共33张PPT)
Section A
Grammar Focus-4c
Unit 8 It must belong to Carla.
九年级上册 RJ
初中英语
1. New words: laboratory, outdoors, coat, sleepy
Learning goals
2. Sentences：① —Whose volleyball is this
—It must be Carla’s. She loves volleyball.
②—Whose hair band is this
—It could be Mei’s hair band. Or it might belong to Linda.
3. Grammar： Be able to use "must, might, could,
can't" to infer on the possibility of things
Talk about these things and find out whose they are.
1.Whose pen is this Is it a girl's or a boy's
It might be a girl's.
Because it's red.
Warming up
2. Whose is this ruler Why is it Mary's
It must be Mary's.
Because her name is on it.
Mary
3.Whose is this house Why do you think so
It can't be mine.
Because I don't have enough money to buy such a house.
Read the following sentences and find out the common features.
Whose volleyball is this It must be Carla’s. She loves volleyball.
Whose hair band is this It could be Mei’s hair band. Or it might belong to Linda. They both have long hair.
情态动词表示推测
What did you see that night I’m not sure, but it can’t be a dog. It was bigger. I think it might be a bear or a wolf.
情态动词表示推测
句式 情态动词 含义 用法
肯定句 must 一定 表示有把握的肯定推测。
may/ might/ could 也许；可能 表示没有把握的推测。
一、情态动词表示推测的意义和用法
句式 情态动词 含义 用法
否定句 can’t/ couldn’t 不可能 表示有把握的否定推测。
may not/ might not 可能不 表示不太有把握的肯定推测。
疑问句 can/ could 可能 表示推测。
He must be very happy when he heard the news.
He may be in his office, but I’m not sure.
That man can’t be your teacher. He’s much taller.
It may not be right, but that’s what I think.
— Can the news be true
— No, it can’t be true.
（1）情态动词表示推测时，无时态区别，只有语气差别。表示推测的情态动词的语气强弱顺序如下（由强到弱）：
must ＞ can ＞ could ＞ may ＞ might
（2）含有must的句子（must表推测）变为否定句时，要用can’t。
He must be at home. → He can’t be at home.
（1）情态动词+动词原形：表示对现在事情的推测。
This book must be Jim’s because his name is on it.
（2）情态动词+be+动词-ing：表示对正在发生的事情的推测。
My mother might be cooking in the kitchen.
二、不同形式的情态动词表示不同的含义
（3）情态动词+ have +动词的过去分词：表示对过去情况的推测。
The ground is wet. It must have rained last night.
1. A: Where’s Jean
B: I’m not sure. She ___________ (is / might be / must be) in the laboratory.
2. A: Everyone is going to the pool after school.
B: Really It _____________ (must be / can’t be / could be) hot outdoors.
might be
must be
Choose the best way to complete each sentence using the words in brackets.
4a
3. A: That’s the phone.
B: Hmm. I wonder who it _____________ (must be / could be / should be).
4. A: I wonder if these are Jim’s glasses.
B: They _____________ (can’t be / might be / could be) his. He doesn’t wear glasses.
could be
can’t be
5. A: I hear water running in the bathroom.
B: It ________________ (could be / must be / can’t be) Carla. She was thinking of taking a shower.
must be/ could be
Complete these responses.
1. A: Many people are wearing coats.
B: The weather must be ________________________.
2. A: Sally has been coughing a lot.
B: She might be ______________________________.
3. A: This restaurant is always very crowded.
B: The food _________________________________.
4. A: Whenever I try to read this book, I feel sleepy.
B: It can’t ___________________________________.
very cold
having a bad cold
must be delicious
be that boring
4b
sleepy / sli:pi/ adj. 困倦的；瞌睡的
Whenever I try to read this book, I feel sleepy.（教材P60 4b）
sleepy是形容词，意为“困倦的；瞌睡的”，可作定语或表语。
Language points
asleep也是形容词，意为“睡着的”，常用作表语或宾语补足语。
Jim didn’t sleep well last night. He is tired and feels sleepy now and falls asleep soon at his desk.
What can you see in the picture
What are his/ her hobbies
Why do you think so
Who do you think lives in the room, a boy or a girl
Look at the picture and answer the following questions.
Look at this picture of a room. How much can you tell about the person who lives here Is it a boy or a girl What are his/her hobbies Discuss your ideas with a partner.
I guess so. But it might be a boy’s room because the clothes look like boys’ clothes.
It could be a girl’s room because it’s very tidy.
4c
1. (2020·内江中考)—Is the tall man Mr. Hunt
—No. It be him. He has gone to Chengdu.
A. can't B. needn't
C. mustn't D. won't
A
一、单选
Exercises
2. (2020·抚顺中考) I walked here today, so this bike be mine.
A. can B. mustn't
C. can't D. must
C
3. (2020·白银中考) You haven't eaten all day. You
be very hungry.
A. couldn't be B. can't
C. might D. must
D
4. (2020·大庆中考) Mr. Jonathan your new English teacher.
A. maybe B. be might
C. may be D. might is
C
5. (2020·黔西南州中考) There is a knock at the door. It my mom. It's time for her to be back home.
A. maybe B. may not be
C. must be D. mustn't be
C
6. (2020.无锡中考) You be able to control all the things that happen to you, but you can decide not to be reduced by them.
A. need not B. may not
C. must not D. should not
B
7.(2020·呼和浩特中考)—What a lovely present! Who sent it it be your brother
—It be my brother. He doesn't know today is my birthday.
A. Can; can't B. Can; mustn't
C. Must; mustn't D. Must; can't
A
二、根据括号里的汉字提示填空。
1.—Is Tom coming by train
—He (可能) drive his car. I'm not sure.
2.—Look! The man welcoming us at the school gate (一定) be our headmaster.
—No, it (不可能) be him. He is having a meeting in the office now.
may/might
must
can't
Grammar
Sentences
①—Whose volleyball is this
—It must be Carla's. She loves volleyball.
②—Whose hair band is this
—It could be Mei's hair band. Or it might belong to Linda.
Be able to use "must,might,could,can't" to infer on the possibility of things
Key words
laboratory, outdoors, coat, sleepy
Summary
1. Write a short passage for 4c according to your discussion with your partner.
Homework
THANKS
谢谢聆听！