人教版九年级下册 Unit8 It must belong to Carla. SectionA Grammar focus 4a-4c 课件(共25张PPT)

(共25张PPT)
完成句子
1. 这里过去曾是一个安静的地方。
It _______ _______ _______ a very quiet place.
2. 他说他常常听到窗外有奇怪的噪音。
He said he often _______ _______ _______ outside the window.
used to be
heard
strange
noises
3. 有些人认为一定是孩子们正在快乐玩耍。
Some people think it _______ _______
children _______ fun.
4. 一定有人在公园里唱歌。
There _______ _______ someone _______ in the park.
5.这能是真的吗
___________ this be true
must be
having
must be
singing
Can / Could
1. 这是谁的排球
______ ________ is this
这一定是卡拉的。她热爱排球运动。
It _____ be _______. She loves volleyball.
Whose volleyball
must Carla’s
Fill in the blanks.
2. 这是谁的发带？
______ ____ ____ is this
它可能是梅的发带。或者可能属于琳 达。她们两人都是长头发。
It _____ be Mei’s hair band. Or it _____ belong to Linda. They ____ have long hair.
could
might
both
Whose hair band
3. 那晚你看见了什么？
_____ did you see that night
我不确定，但肯定不可能是狗。它更大。我想也许是一头熊或一匹狼。
I’m ___ ____, but it _____ ___ a dog.
It was bigger. I think it _____ ___ a bear or a wolf.
What
not sure
can’t be
might be
可能性: must> can/could > may/ might
can not ( can’t)
could not (couldn’t)
may not / might not
否定
否定
情态动词表推测：
1） 肯定句： must 一定
could / may / might 可能
2） 否定句： can’t / couldn’t 不可能
may not / might not
可能不…
3） 疑问句： Can/ Could ….
可能…吗？
1. 他肯定知道答案。
He _____ ______the answer.
2. 他肯定不知道答案
He ____ _________the answer.
3. 他知道答案吗？
_______ he know the answer
4. 他不可能捡到了她的书包。
He ______ _____ _____ up her schoolbag.
5. 他可能不在家，不过我也不确定。.
He ______ _______ _______at home, but I’m not sure.
6. 他可能知道那个消息。
He ______ _______ that news.
may not be
must know
can’t know
Could/Can
can’ t have picked
might know
1）must ， could, can’t 可以对现在/正在/过去的事情进行推测
以must为例
（现在）must + do 一定…
（正在进行） must + be doing 一定正在做…
（过去） must + have done 一定做了…
2）may / might可以对现在/正在/过去的，以及将来的事情进行推测
may + do 可以对一般现在和将来进行推测
可能…/ 可能会做…
情态动词(must ,could/may/might, can’t)
对现在/正在/过去的事情进行推测
总结
（现在）情态动词 + do
（正在进行） 情态动词 + be doing
（过去） 情态动词+ have done
（ 将来）may/might + do
(现在) 他一定有一辆小汽车。
He _____ ______a car now.
2. (正在进行) 他一定在家做作业。
He _____ ____ ________his homework at home.
3. (过去) 他一定已经完成了工作。
He ____ _____ ______the work.
4. 他不可能去了上海，我刚看见他了。
He ____ ____ ______to Shanghai because I saw him just now
5. (将来) 可能会下雨。因为有一些乌云。
It______ _____. There are some clouds.
must have
must be doing
must have finished
can’t have gone
may rain
4a
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.
might be
n. 实验室
2. A: Everyone is going to the pool after school.
B: Really It _______ (must be / can’t be /could be ) hot outdoors.
must be
adv. 在户外，在野外
3. A: That’s the phone.
B: Hmm. I wonder who it _______ (must
be / could be / should be).
could be
4. A: I wonder if there are Jim’s glasses.
B: They _______ (can’t be / might be /
could be) his. He doesn’t wear glasses.
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.
could be/ must be
1. A: Many people are wearing coats.
B: The weather must be _____________
____________.
2. A: Sally has been coughing a lot.
B: She might be ____________________.
getting colder/ cold outside
ill
4b
Complete these responses.
n. 外套
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 _______________.
must be delicious
be very intersting
adj. 困的
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.
4c
It could be a girl’s room
because it’s very tidy.
I guess so. But it might be a boy’s room because the clothes look like boys’ clothes.
1. — Excuse me. Is this the right way to the Summer Palace
— Sorry, I am not sure. It _____ be.
A. might B. will
C. must D. can
Choose the correct answer.
3. You ____ be tired — you’ve only been working for an hour.
A. must not B. won’t
C. can’t D. may not
2. — Isn’t that Ann’s husband over there
— No, it _____ be him — I’m sure he doesn’t wear glasses.
A. can’t B. must not
C. won’t D. may not
4. — Is John coming by train
— He should, but he _____ not. He likes driving his car.
A. must B. can
C. need D. may