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4. Rewrite each sentence using the words in bold. Do not change the meaning:

1. It’s very important for you to be here at 6.00. must

You must be here at 6.00.

2. It’s impossible for me to see you tomorrow. can’t

3. It’s necessary to press the button twice have to

4. It’s not good idea to eat lots of sweets. shouldn’t

5. It’s not possible for Jean to come to the party able

6. It’s not necessary for to pay now. don’t

7. Parking here is forbidden. mustn’t

8. It’s necessary for you to work harder. should

5. Underline the correct words in each sentence:

1. Sorry I’m late. I had to/ may go to the library. 2. My brother could walk/ might walk before he started talking. 3. You’ve worked very hard . You could/ must be tired. 4. George didn’t have to wait/ hadn’t to wait long for the bus. 5. Don’t wait for me. I could be/ had to be late. 6. Helen mustn’t do/ couldn’t do her homework, because she was ill. 7. This bus had to go/ might go to the centre. Shall I ask the driver? 8. Sam dropped three glasses, but was able to catch/ might catch one!

6. Use “was (were) to” or “had to”:

1. He … train hard the whole year. 2. The contest … take place in the school Assembly Hall. 3. The weather was nasty and we … put off the trip. 4. There was a storm of applause and the singer … go out on the stage several times. 5. Later they … meet a few more times. 6. It … happen. 7. He … rewrite his paper. 8. I … repeat the question several times. 9. One party … ask questions, the other … answer them in 30 seconds. 10. What … I do under the circumstances?

7. Make up a list of what a student has and what he doesn’t have to do:

Get up early every day, attend all lectures, be on time for classes, prepare for classes every day, miss practical classes, study on Sundays, take exams twice a year, work hard, stay at the University after classes, have only excellent mark, take notes of all lectures, buy textbooks, know the names of all professors, earn money, go in for sports, wear a uniform, work during the vacation, learn two foreign languages, know how to use computers, be smart and intelligent, serve in the army, bring parents to the University, pay the tuition, clean the lecture rooms.

8. Respond to the following statements expressing doubt, expectation, assuredness or advice. Work in pairs.

1. I don’t feel well. 2. I’m putting on weight. 3. I don’t know English. 4. There’s a big heavy cloud in the sky. 5. There is no light in the house. 6. The is ringing. 7. I’m going to the Black Sea coast. 8. I work hard every day. 9. The road is slippery. 10. It looks like a big mouse.

9. Rewrite each sentence using might, can’t or must. Do not change the meaning:

1. Perhaps it will rain. It might rain.

2. I’m sure this is right. ___________

3. Perhaps I’ll see you tomorrow. _______________

4. I’m sure that isn’t the answer. ___________________

5. Perhaps I won’t come to your party. _______________

6. I’m sure you’re not serious! ______________________

7. I’m sure we are early. ___________________________

10. Rewrite each sentence so that it contains can’t, might, should or needn’t:

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