Grammar: Future Indefinite Tense. Text: Turboprops New words to the text

Syn: speed up, go faster, increase speed, pick up

speed, gather speed, put on a spurt

Ant: decelerate, slow down

Exercises

I. Use the past or future indefinite tense:

a) to be able (to) instead of can

1. I can help you. I am able to help you. 2. He can do it with your help. He is able to do it with your help.. 3. We can show you how to do it. We are able to show you how to do it. 4. They can speak English well. They are able to speak English well.

b) to be allowed (to) instead of may

1. I may go home. I am allowed to go home. 2. You may take my umbrella. You are allowed to take my umbrella. 3. He may have strong coffee. He is allowed to have strong coffee. 4. You may see him on Sunday. You are allowed to see him on Sunday

c) to have (to) instead of must

1. I must fasten safety belts. 2. You mustn't smoke here. 3. You mustn’t enter the cockpit. 4. The Captain must keep to the course.