Variant-2I. Choose the correct word or phrase in each sentence.1. I think you had better / would better take a pullover with you.2. Sorry, I can’t stay any longer. I have to / might go.3. It’s a school rule, all the pupils have to / must wear a uniform.4. Let’s tell Anna. She could / might not know.5. Jones could / must be president if Smith has to resign.II. Rewrite each sentence so that it contains some of these modal verbs: can, could, must, have to or should (including negative forms):1. I’m sure that Brenda isn’t over thirty.2. What would you advise me to do?3. You needn’t come with me if you don’t want to.4. It’s possible for anyone to break into this house.5. The dentist will see you soon. I don’t think he’ll be long.III. Complete each sentence so that it contains might, might not, must, mustn’t, can’t or can. More than one answer may be possible.1. We’re not sure but we _________ go to Prague for Christmas this year.2. Bill cooked the lunch, so you _________ expect anything special!3. You really ________ start spending more time on your work.4. That’s really stupid idea! You _______-be serious, surely!5. You ________ realize it, but this is very important to me.6. Tell Mike he _________ take my book if he needs it.IV. Modal Verbs in the Past. Rewrite each sentence so that it contains can’t, might, must, should or needn’t.1. 1. I’m sure that David took your books by mistake.2. It was a mistake to park outside the police station.3. I’m sure that Liz hasn’t met Harry before.4. It was unnecessary for you to clean the floor.5. Heather possibly hasn’t left yet.6. I’m sure they haven’t eaten all the food. It’s not possible!7. Jack is supposed to have arrived half an hour ago.8. Perhaps Pam and Tom decided not to come.9. I think it was the cat that took the fish from the table!10. It was a waste of time worrying, after all!V. Correct any errors in these sentences. Some sentences are correct.1. It was funny that she should have remembered me.2. You mustn’t have been so unkind!3. I couldn’t have managed without you.4. I have no idea who it was, but I suppose it would have been Ann.5. Look, there’s $30 in my wallet. I shouldn’t have gone to the bank after all.VI. Complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given.1. Our worrying so much was a waste of time.needn’tWe ____________________________________________________ so much.2. It’s just not possible for the cat to have opened the fridge.possiblyThe cat __________________________________________________________ the fridge.3. It would have been possible for Helen to take us in her car.couldHelen ________________________________________________us a lift.4.It’s possible that the last person to leave didn’t lock the door.mightThe last person ____________________________________ the door unlocked.5. School uniform wasn’t compulsory at my school.wearWe ___________________________________ school uniform at my school.