2016届中考复习-------情态动词课件（共27张PPT）

课件27张PPT。MODAL VERBS---情态动词1. Jim _________ sing very well.
2. Hello, __________ I speak to Jim?
3. He listened, but he __________
hear nothing.
4. We are students. We _________
work hard.
5. __________ I come in?
6. You __________ talk in class.cancan? may? must? could? might ?can/could/maycouldmustMaymustn’tThere must be some mistakes.
She can’t be English.
Ask Jim. He may know the answer. mustcan’tmaymustbe certain may/might/couldbe not certain; be possiblecan’tbe impossibleWork something out!What’s this?It must be...Can it be...What kind of ball?It may/might
could be...What’s this?... might/may/could ….Who can it be?It may/might/
could be...What’s in
the box?There may/
might/
could be
...ChocolateWhat do they do?He must be a ….Policeman Postman Waiter BossDiscussionWhere are they from?He/She must be from/come from…He/She may/might be from/come from…DiscussionWhat can it be?-Can it be a….
-No, it can’t be a…
I think it…
(Yes, maybe.)What are they going to do?He/She/They may/might/could….Discussion can和 could1表示“能力”I can swim , but my sister
can't.2．表示“许可”、“请求” Can I go with you ? (请求)　　Father said I could go to cinema. (表示过去的许可)　　
You cannot smoke in the meeting room. (cannot 表示“禁止”)　
Could I use your phone?Yes, of course you can.肯定回答，不能用could ，一般是—Yes, please.— Thanks. 3．“猜测”（主要用于否定句和疑问句）：
He can't be at home. (否定句)　
Can the news be true ? (疑问句)　　may 和might1．表示“许可”
You may take a walk.　　
Students may not make noise in the library. (may not 表示不许可或禁止)
May I come in? 否定回答No, you mustn't. /cannot. 也可以 may not
肯定回答sure, certainly, of course
Might I trouble you for a light? "You may indeed."2.表示"事实上的可能性"
It may rain tomorrow.　(表示可能会发生)　
1.表示“必须”、“务必”：
We must obey orders.　　
Must I pay now ?
肯定回答 Yes, you must　
否定回答 No, you needn't 或 No, you don't have to2.表示“预测” (必定，必会) 一般用于肯定
句。可用于否定一般疑问句。
There must be a mistake.
Mustn't there be another reason for
his behavior?mustmust
may/might/could
can’t/couldn’tdobe doing
have doneWhat are they doing?… must...?What is Ms Wang doing now?It must have rained last night.How did Tom reach the cake?He must have used
a chair.What is the house for?DiscussionWhere are they?DiscussionHomework:
Finish Ex… in your exercise book.
Finish Ex…. in your workbook.THE END