Unit 8 It must belong to Carla Section A Grammar Focus-4c课件(共28张PPT)人教版九年级全册

(共28张PPT)
Grammar Focus~4c
Unit 8 It must belong to Carla.
Unit 8 It must belong to Carla.
01
Learning
goals
03
Grammar
05
Homework
02
Warming
up
04
Exercise
05
Homework
Learning goals
Functions: To give students listening and speaking practice
Grammar: modal verbs for making inferences
Useful expressions:hear sb./sth. doing,take a shower,try to do
Curriculum words: laboratory, outdoors, coat, sleepy
Sentences:
①—Whose hair band is this
—It could be Mei’s hair band. Or it might belong to Linda. They both have long hair.
②—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.
Warming up
outside the window
have fun
next-door neighbor
at first
run away
feel uneasy
have no idea
have fun (in) doing sth.
在窗外
玩得高兴
隔壁邻居
最初； 首先
逃跑
心神不安
一点不知道； 没办法
做某事很愉快
It could be ____________.
It also might be _________.
a white vase
two faces
Can you guess what it is
Warming up
It must be ________.
No, it could be _______.
flowers
a girl
Warming up
Can you guess what it is
Which one is bigger, A or B
Could A be bigger than B
In fact, A and B must be ________________.
A
B
the same size
No.
Warming up
Grammar
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.
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.
Grammar Focus
情态动词表推测
在英语中，表示对某件事物的确定程度，即表示推测的时候，我们通常会用到以下情态动词:
1.must 2.might, could, may 3.can’t, couldn’t
【注意】
1.情态动词不能表示正在发生或已经发生的事情，只表示期待或估计某
事的发生。
2.情态动词没有人称、数的变化，即情态动词第三人称单数不加-s。
3.情态动词没有非谓语形式，即没有不定式、分词等形式。
Grammar
情态动词表推测
1. She can plays the piano.
2. Mr. Li could is at home.
3. They don’t can speak Japanese.
4. Do we can play basketball after school
Can you find the mistakes in the sentences
4. Can we can play basketball after school
1. She can play the piano.
2. Mr. Li could be at home.
3. They can’t speak Japanese.
Grammar
可能性： must > can/could > may/might
can not (can’t)
could not (couldn’t)
may not
might not
100%
probably true
20%~80%
possibly true
0%
almost not true
一定
可能
不可能
Grammar
1. must
must表示可能性最大的肯定推测，意思是“一定、准是”。只能用于肯定句。如果要表示“一定不”，应该用can’t。
eg：He must know the answers.
他肯定知道答案。
He can’t know the answers.
他肯定不知道答案。
Grammar
2. can / could
can表示推测“可能性”时，一般用于否定句或疑问句。can在疑问句中意思是“会，可能”。
eg：He can’t pick her schoolbag up. 他不可能拿了她的书包。
could 表示某事有可能发生或可能是事实。
eg：Don’t eat it. It could go bad. 不要吃它，可能坏了。
The plane could be put off by the storm. 这趟飞机可能会因为暴风雨而
推迟。
Grammar
3. may / might
may, might表示推测“可能性”时，意思是“可能”，“也许”。might不表示过去时态，语气更委婉，可能性更小。may, might表推测时，可用于否定句，但不用于疑问句。
eg：He may / might not be at home, but I’m not sure.
他可能不在家，不过我也不确定。
Grammar
情态动词表示推测可以分为以下几种情况:
(1)情态动词+ do
此结构表示对现在或将来情况的推测和判断。
eg： —Do you know where she is now
—I think she might travel in Beijing.
(2)情态动词+ be doing
此结构表示对现在或将来正在进行的情况的推测和判断。
eg：At this moment, my father can’t be working in the office.
Grammar
(3)情态动词+ have done
此结构表示对过去情况的推测和判断。
eg：The road is wet. It must have rained last night.
(4)情态动词+ have been doing
此结构表示对过去正在进行的情况的推测和判断。
eg：Your mother must have been looking for you at that moment.
Grammar
Choose the best way to complete each sentence using the words in brackets.
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
n. 实验室
adv. 在户外；在野外
Grammar
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.
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.
could be
can’t be
could be
Grammar
4a
Choose the best way to complete each sentence using the words in brackets.
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 ____________________.
getting colder/ cold outside
having a sore throat/ ill
must be delicious
be interesting/ exciting
n. 外套
adj. 困倦的；瞌睡的
Grammar
4b
A: It could be a girl’s room because it’s very tidy.
B: I guess so. But it might be a boy’s room because the clothes look like boys’ clothes.
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.
Grammar
4c
1. It must be hot outdoors.（教材P60 4a）
Language points
eg：Though it is cold, the children are playing outdoors.
虽然天气冷,但孩子们仍在户外玩。
Children usually prefer playing outdoors.
孩子们通常喜欢在野外玩耍。
Grammar
outdoors adv. 在户外；在野外
Point
Language points
eg：Why was she so sleepy in class this morning
为什么她在今天早上的课堂上那么困呢
I was very sleepy and went back to sleep at that time.
当时我困倦，就回去睡觉了。
Grammar
sleepy adj. 瞌睡的；困倦的
Point
2. Whenever I try to read this book, I feel sleepy.（教材P60 4b）
Exercise
1.—Jenny got lots of gifts at the birthday party yesterday.
—Yeah.She _________ be very happy.
2.Mr. Gao _________ be at home right now. He hasn’t come back yet.
3.—Where are my keys, Mom
—I have no idea. They ___________ be in your schoolbag.
could, must, might, can’t
must
could/might
can’t
一、词汇运用。
4.—There is a black jacket hanging over there. Is it Peter’s
—No,it _________be his. He never wears blackclothes.
5.—Do you know who locked the office yesterday afternoon
—Well,it _________ have been Susan. She is the last one to leave every day.
can’t
must
could, must, might, can’t
一、词汇运用。
Exercise
6. James was very _________. He tried to keep his eyes open but he couldn’t.
7.Don’t make so much _________. They are studying in the library.
8.It’s cold outside, Please put on your _________ when you go out.
9.The concert will be held _________ if the weather is fine.
10.We have a chemistry class in the school _________ twice a month.
coat, laboratory, sleep, outdoors, noise
noise
coat
outdoors
laboratory
sleepy
Exercise
一、词汇运用。
1.(2021湖北黄石)—I wonder if this glass is Tom’s.
—It ________ be his. His was broken just now.
A. mustn’t B. may not
C. can’t D. shouldn’t
2.(2021江苏宿迁改编)—Sandy,is Mr. Li in the teachers’ office now
—I am not sure.He ________ be there.
A. must B. can’t C. mustn’t D. may
Exercise
Homework
1. Do the exercises in students’ book.
2. Preview Section B 1a-1d.
Unit 8 It must belong to Carla.
Thank You