牛津译林版八级英语下册课件：Unit 4 A good read Grammar 2 (共8张PPT)

keep quiet in the library. keep the books clean and tidy.
3. You mustn’t draw or write in the books.
4. You mustn’t eat or drink in the library.
5. You have to return the books on time, if you want to keep them longer, you have to reneபைடு நூலகம் them.
6. You don’t have tobring your student card every time you
go to the library, but remember to bring your library car.
Homework
e ‘must, have to’ to make more sentences.
Study is very important. So we must study hard. We mustn’t talk in class.
Get the students to make up new sentences using “must”.
We use have to when the situation makes something necessary.
Gulliver was tied to the ground. He has to lie on the ground. He doesn’t have to shout at the tiny men.
Grandma is ill. She has to see the doctor.
She doesn’t have to worry about herself.
Get the students to make up new sentences using “have to”.
Complete the following sentences with ‘must, mustn’t,
have to, don’t have to’.
1. You must 2. You must
Unit 4 A good read
Grammar 2
We use must when the speaker feels that something is necessary.
Gulliver was tied to the ground. So he must run away. He mustn’t lie on the ground.
2. Finish the exercises in your workbooks.