牛津译林版初一英语衔接教学课件：Using can and must （共15张PPT）

课件15张PPT。初一英语衔接教学课件Using can and mustI can swim.He can swim.
She can row a boat.Can you swim? Yes, I can.Can you row a boat? No, I can't.I can't row a boat.Tip:
can't = can notCan he play tennis? Yes, he can.Can he play basketball? No, he can't.He can't play basketball. Can she ride a bike? Yes, she can.Can she ride a horse? No, she can't. She can't ride a horse.A: Can you swim?
B: No, I can't.
A: Can he / she swim?
C: No, he / she can't.
Make dialoguesA: Can you swim?
B: Yes, I can.
A: Can he / she swim?
C: Yes, he / she can.A. can 是情态动词，意为不“能、会” 表示一个人所具备的能力， 后面的动词一定要用原形。Grammare.g. I can swim.
I can’t ( can not ) swim.
Can you swim? Yes, I can. / No, I can't.
It's raining. I must take an umbrella.Must I take an umbrella? Yes, you must.Must I go out? No, you needn't .
No, you don't have to.It's late. He / She must go home.Must he / she go home? Yes, he / she must .Must he / she stay outside? No, he / she needn't.
No, he / she doesn't have to. B. must 也是情态动词，意为不“必须” ，表示义务、命令或必要， 后面的动词一定要用原形，must 用在否定结构中表示“不允许、禁止”，用在一般疑问句中，肯定回答用must；否定回答用needn't 或 don't have to。GrammarIt's raining. I must take an umbrella.
Must I take an umbrella? Yes, you must.
Must I go out? No, you needn't .
No, you don't have to.按要求改写下列句子：
1. He can play football. (改否定句）
He ______ play football.
2. Millie can ride a bike. (改一般疑问句并做肯定回答）
_____ Millie ______ a bike? Yes, ____ ______.
3.Tom must do his homework first.（改一般疑问句并做否定回答）
____ Tom ____ his homework first? No, ____ ______.
4.They must help the old clean the house.(改否定句）
They _____ _____ help the old clean the house.
5.It's fine today.She mustn't take an umbrella.(改肯定句）
It's fine today.______________________________.
6. The girl can fiy a kite.(对划线部分提问）
____ _____ the girl _____?can'tCanrideshecanMustdoheneedn'tmustnotShe must take an umbrellaWhatcandoThank you