Unit 8 It must belong to Carla. Section A Grammar Focus-4c 课件(共30张PPT)

(共30张PPT)
Unit 8 part 3
It must belong to Carla.
Section A 3
Grammar Focus-4c
Revision
一、按要求写出下列词汇或词组。
1. 太……而不能…… ___________
2. 不知道 ______________
3. 曾经，过去常常 ________
4. 看见某人正在做某事 __________
5. 奇怪的噪音 ____________
6. 感到不安 ____________
7. 离开 __________
too... to...
have no idea
used to
see sb. doing
feel uneasy
strange noises
go away
8. 它太大了而不可能是狗.
________________________________
9. 这个地区的一个妇女看到有东西在逃跑。
_________________________________
_________________________________
10. 噪音制造者正享受着在街区制造害怕的
乐趣。
________________________________
________________________________
It was too big to be a dog.
A woman in this area saw something running away.
The noise-maker is having too much fun creating fear in the neighborhood.
Grammar Focus
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
Grammar: 情态动词表推测
可能性: must> can/could > may/ might
can not ( can’t)
could not (couldn’t)
may not / might not
否定
否定
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。如果询问可能性时，应该用can。
must
e.g.
He must know the answer.
他肯定知道答案。
He can’t know the answer.
他肯定不知道答案
Can he know the answer
他知道答案吗？
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”。
e.g. He can’ t pick her schoolbag up.
他不可能拿了她的书包。
could 用于表示某事有可能发生或可能是事实。
can / could
e.g. Don’t eat it. It could go bad.
不要吃它，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。
could可用于表示客气、礼貌、委婉的
请求语气。
e.g. Could you please help me with my homework
你能帮我完成我的家庭作业吗？
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。
e.g. 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。
may / might
推测时态
推测现在/ 正在/ 过去发生的动作。
e.g. He must have a car now.
(现在) 他一定有一辆小汽车。
He must be finishing his homework
at home.
(正在进行) 他一定在家做作业。
He must have finished the work.
(过去) 他一定已经完成了工作。
must
can/ can’t 后可接进行时/完成时，表示对现在发生的动作或过去发生的动作进行推测。
e.g. They can’t be reading in the library.
他们一定不在图书馆读书。
He can’t have gone to Shanghai
because I saw him just now.
他不可能去了上海，我刚看见他了。
can
may / might
may，might 可以推测现在正在发生的动作或过去发生的动作，还可以推测将来的情况。
e.g. He may/might be sleeping now.
(现在) 他可能正在睡觉。
These people may/might have seen the
film before.
(过去) 这些人以前可能看过这部电影。
It may rain. There are some clouds.
(将来) 可能会下雨。因为有一些乌云。
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
表示“位移”的动词用现在进行时态表将来，例如：go去，come来，leave离开，arrive到达，return 回来，fly 飞。
e.g. I am coming.=I will come.
He is leaving for Paris.=He will leave for Paris.
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
wonder v. “想知道” (want to know)
No wonder+句子，“难怪......”
e.g. No wonder you are angry.
难怪你觉得生气。
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
think of 想要；打算
e.g. I thought of playing basketball.
我想打篮球。
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
having a sore throat/ 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 that boring
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.
It could/might/can’t be...
because ...
I guess so/I don’t think so.
But it might/could/must be ...
because …
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.
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
3. You ____ be tired — you’ve only been working for an hour.
A. must not B. won’t
C. can’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
Remember the Grammar.
Finish the exercise in 4c.