Based on 4c, ex.5

Study the situations and respond to each one using an appropriate modal verb. Write the answers in your copy books.

You see that your sister has left the light in her room on while she's in the living room watching TV. What do you say to her?

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1. You want to leave the classroom for five minutes. Ask for your teacher's permission.
2. The sky is cloudy and it looks like it's going to rain. Tell your sister that it's not a good idea to ride her bicycle to work.
3. You're going out with your friends tonight. Tell your parents that there's a possibility you will be late.
4. Tell a friend of yours that it is important that he does his share to help protect the environment.
5. You work in a museum and a visitor is ready to take a picture of a painting. Tell them that they are not allowed.
6. You are throwing a party and a friend offers to prepare something to help you out. Tell him that it isn't necessary for him to prepare anything.