Exercises: modal verbs

Ejercicios de verbos modales V

Reescribe las siguientes oraciones colocando el verbo modal marcado en verde en afirmativo o negativo, según corresponda.

1 It´s important to be polite. (should)
You .

You should be polite.

2 It isn't necessary to pay immediately. (have to)
I .

I don't (do not) have to pay immediately.

3 It´s very healthy to do exercise every week. (ought to)
You .

You ought to do exercise every week.

4 It´s important that we don´t waste our time. (must)
We .

We mustn't (must not) waste our time.

5 It´s necessary to be careful with the environment.(have to)
We .

We have to be careful with the environment.

6 It´s important to be on time at work. (should)
You .

You should be on time at work.

7 Maybe we will study French next year. (might)
We .

We might study French next year.

8 I´m very busy to send him a text message. (can)
I .

I can't send him a text message.

9 It´s very hot here, it is better to open the window. (should)
We .

We should open the window.

10 It´s very late to go out. (might)
He .

He mightn't go out.


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