. Fill in the gaps with the Modal verbs and expressions must, mustn’t, needn’t, don’t have to, needn’t have
1. You _______study hard to pass the exam.
2. You ________ be late for the job interview.
3. We ran all the way to work but we _________ as we were the first to come.
4. You _________(buy) any tools. We have everything available.
5. I _________(ask) the way to construction area as I had been there before/
6. You ________remember to put safety equipment.
7. They went to the university today but they _______as the lectures were cancelled.
8. You ________interrupt while a specialist is working on the rig.
9. They ___________(buy) any additional equipment for this research.
10. You ________ to put away this problem.
2. Rephrase the following sentences using all possible variants (may, might, must).
1. Perhaps he will be home soon.
He ________
2. It is possible she will have finished this research by the end of the week.
She _______
3. It’s likely they have gone to the nuclear power plant.
They ________
4. It’s likely he has not been promoted.
He _________
5. It’s possible she called while we were out.
She _________