人教版(浙江专用)九年级英语上册课件：Unit 8 第三课

They must be making a movie now.他们现一定是在拍电影。
②may，could，might表示可能性较小的肯定推测，意为“可能，也许”。
eg：You may be right.你可能是对的。
He could/might be running for exercise.他可能正在跑步锻炼。
Unit 8
It must belong to Carla.
第三课时 (Grammar Focus4c)单元同步语法精讲精练
情态动词表推测
英语中，常用情态动词must，can，can't，may (not)，could (not)，might (not)等表示对某人或某事物的推测。 ►肯定推测 ①must表示可能性最大的肯定推测，意为“一定，准是”。 eg：He must be tired after his long journey.长途旅行后，他一定很累。
►否定推测 ①can't表示有把握的否定推测，意为“不可能”。 eg：That can't be Mary.She's ill in hospital.那不可 能是玛丽，她生病住院了。 ②may not/might not/could not表示不太有把握的否定推测，意为“可能不
(会)是”。
eg：He could not/might not be at home.I'm not sure.他可能不在家，我不确定。
he's not sure. A．mustn't B．must C．can't D．may
C 9．That Tshirt ________ be expensive because it's designed by a famous
designer. A．can't B．mustn't C．must D．should 10．—Difficulties always go with me!
Whose ________ is ________ the beautiful coat?
12．These books belong to Joe.(改为同义句) These books ________ are ________. Joe's
13．The English book must be Sally's.(改为同义句) belong ________ to The English book must ________ Sally.
A —Be careful！The road ________ be wet.
A．must B．could C．might D．need 8．—Look at the boy playing basketball on the ground.Is it George?
D —It ________ be him.He told me he could play basketball after class，but
B —Cheer up！If God closes a door in front of you，there ________ be a
window opened for you.
A．would B．must C．could D．can
三、按要求完成下列句子。 11．The beautiful coat is Mike's_sister's．(对画线部分提问)
5．Someone is knocking at the door.Who ________ it be? can
二、单项选择。 C 6．The man ________ be my English teacher.He has gone to Canada. A．might B．must C．can't D．mustn't 7．—Oh，it's raining hard.
►疑问句中的推测 疑问句中的推测，常用can或could，意为“可能”。 eg：There is someone outside.Who can it be？外面有人，会是谁呢？
询问物体的主人
►句型：“Whose＋一般疑问句？”或“Whose＋名词＋一般疑问句？” ►答语： ①使用名词所有格或物主代词来回答。 ②使用belong to sb.结构来回答。
14．她不可能在实验室等你。(翻译句子)
can't be waiting for you in the ________. laboratory She ________ ________ ________
15．你走了那么长的路，一定困倦了吧。(翻译句子) must be tired You ________ ________ ________ after your long walk.
eg：—Whose is this umbrella？/Whose umbrella is this？这把雨伞是谁的？
—It's Mary's./It belongs to Mary.是玛丽的。
一、根据句意，选择方框中的单词填空。
can，must，may，might，could，can't
1．—Isn't that Ann's mother over there? can't be her.I'm sure she doesn't wear glasses. —No，it ________ 2．Even the top students in our class can't work out this problem，so it must be very difficult. ________ may be Tom's，but I'm not sure. 3．This MP5 player ________ must be an accident. 4．Look at the broken bike！There ________