Номер 3, страница 20 - гдз по английскому языку 9 класс учебник Вербицкая, Маккинли

Unit 2. Health matters. Grammar and vocabulary - номер 3, страница 20.

Условие.

Work it out

3 Find verbs 1-6 in the conversation above. Then match them with their meanings a-f.

1 shouldn't	a It's a good idea to ...
2 should	b It's not necessary to ...
3 don't have to	c I'm not allowed to ...
4 must	d It's not a good idea to ...
5 have to	e It's necessary to ...
6 mustn't	f It's necessary to ...

Check it out

Modal verbs

• must and have to mean something is necessary

I must phone the doctor.

(It is necessary to phone him.)

He says I have to exercise more.

(He says it is necessary for me to exercise more.)

• don't have to means something isn't necessary

I don't have to listen to this.

(It isn't necessary for me to listen to this.)

• mustn't means something is not allowed

You mustn't phone me.

(You're not allowed to phone me.)

• should means something is a good idea

You should take an aspirin. (It's a good idea to take an aspirin.)

• shouldn't means something isn't a good idea

You shouldn't read that book. (It isn't a good idea to read that book.)

Решение.