Exercises: modal verbs

Ejercicios de verbos modales I

A) Completa las siguientes oraciones con el verbo marcado en verde y los modales 'should' o 'must' en afirmativo o negativo, según corresponda.

1 She (go) to the university if she wants to be a doctor.

She must go to the university if she wants to be a doctor.

2 We (take) an umbrella. It´s going to rain.

We should take an umbrella. It´s going to rain.

3 The exam is going to start. You (be) quiet.

The exam is going to start. You must be quiet.

4 Girls (walk) alone at nights.

Girls should not (shouldn't) walk alone at nights.

5 You (read) the instructions before using it.

You must read the instructions before using it.

6 It´s too hot. You (wear) a T-shirt.

It´s too hot. You should wear a T-shirt.

7 He´s drunk. He (drink) anymore.

He's drunk. He shouldn't (should not) drink anymore.

8 Tommy (finish) his homework before playing the guitar.

Tommy must finish his homework before playing the guitar.

9 (we / wear) a tie?

Should we wear a tie?

10 You (not watch) TV so close. It can hurt your eyes.

You shouldn't/should not watch TV so close. It can hurt your eyes.