Ex. 1 Comment on the meaning of the verb must. Translate the sentences into Russian

1. I suppose one must be serious sometimes. 2. It must be seven. 3. Harry, you are horrible! You mustnt say these dreadful things. 4. Nothing must be done in a hurry. 5. You and I are friends, Basil, and we must always remain so. 6. Ive always thought he must be quite clever in his way. 7. Surely it must have been O Murphys doing. 8. I must be getting sentimental. 9. But surely you agree with me that the other woman must have gone to the wrong flat. That is the only possible solution. 10. Im afraid I must be going, Basil, he murmured. 11. It was in that tone that he must have spoken to his children when they were tiresome. 12. She must have watched him hide the books in the garden and brought them back in. 13. You mustnt say that, you mustnt think that. 14. He looked sixty, but I knew he must be much less than that. 15. She must be found and brought back here at once. 16. Her life must have been very unhappy. 17. You must be in love. 18. You mustnt talk so much, the doctor said. 19. She must have been a very stupid woman, or else very inexperienced. 20. You must be telling another lie.


Ex. 2 Choose the correct variant

1. His German is very poor. He must (study/be studying/ have studied) very hard. 2. His German is very good, he must (study/ be studying/ have studied) very hard. 3. His German has considerably improved, he must (study/be studying/ have studied) hard during his holiday. 4. He must (study/ be studying/ have been studying) German these two years, his German is rather rich and fluent. 5. She must (have taken/ be taking/ have been taking) a bath at that moment thats why she did not answer your call. 6. She must (be/ be being/ have been) at home now, we saw her leaving the office. 7. She must (be/ be being/ have been) at home, she cant go away because there is no one to look after her sick mother. 8. You must always (think/ be thinking/ have thought) twice before you say anything. 9. Now he must (think/ be thinking/ have thought) of what she has said. 10. He knows they are coming. They must (write/ be writing/ have written) to him of their arrival in due time. 11. She must (play/ be playing/ have been playing) the piano now. 12. The foreigner must (understand/ understood/ have understood) me, for he nodded his head. 13. Where is Sara? I havent seen her for a long time. she must (stay/ be staying/ have stayed) at her friends. She wanted to spend July with them. 14. He must (get/ be getting/ have got) all he needed, otherwise he would have come again. 15. We must (meet/ have met/ have been meeting) somewhere before.

Ex. 3 Open the brackets and use the proper infinitive after the verb must.

1. Look! All people in the street are going with their umbrellas up. It must (rain). 2. He has changed his job. He must (follow) your advice. 3. He must (fall) ill. Otherwise he would have come to the party. 4. Where is Michael? He must (be) here by now. He lives in the country. He must (miss) the train. 5. What a dreadful noise! What is the matter? Our neignbors must (quarrel) again. 6. Nobody must (notice) that he was not used to speaking in public. 7. The criminal must (be) very careful. He did not leave any fingerprints. 8. We are late, I am afraid. Ann must (wait) for us. 9. He must (forget) that he promised to come. 10. They must (write) a composition for two hours. They must (be) tired. 11. You must (misunderstand) me, I did not want to hurt your feelings. 12. Nobody must (see) him enter. Everybody startled when he came in. 13. I hear someones steps outside. She must (go). 14. You may find him in the garden. He must (read). 15. It is impossible to change anything. One must (take) things as they are.


Ex. 4

Fill in the blanks with must/ had to/ will have to

1. Hurry up! We be late. 2. As we were short of time I decided what to do at once. 3. Tomorrow is my day off, so I get up early. 4. You take better care of the children. 5. If you dont know how to use a new machine you touch it. 6. One cant keep this book long. I to return it in a week. 7. As far as I knew nobody could cope with the task better than I, so I go there myself. And I was right. 8. Mark says he will see Margaret off, so you to do it. 9. It was Sunday yesterday, so I go to work. 10. You stop at the red light, the mother said to the child.

Ex. 5 Open the brackets and fill in the brackets with the appropriate forms of the verbs must/have to/to be to

1. You (not tell) him about it. its a secret. 2. It looks like rain. You (take) your raincoats. 3. You (not talk) so loudly here. 4. In his youth he (work) from morning till night to earn his living. 5. He (wait) at the station till it stopped raining. 6. The secretary informed us when the manager (come). 7. They (leave) on Saturday, but because of the delay with their visas they (book) tickets for Monday. 8. They (not tell) him anything about it before they get further instructions. 9. He (leave) for London that night. 10. I (do) it all by myself? 11. It was too late to change their plans and they (put up) with it. 12. You (not prepare) all this work, I will help you. 13. Stay here till she is free. I think you (not wait) long. 14. We (conduct) a series of experiments this week. 15. Remember that we (be) at this place not later than noon.


1. As his eyes are bad he wear glasses. 2. They asked me questions and I answer them. 3. Where I meet him? At the railway station. 4. I see her. Its important. 5. We meet at five but I was late. 6. As he couldnt join me I go alone. 7. You admit that you are wrong. 8. Its an official party. Everyone wear a tie. 9. The manager was busy, so we wait for some time. 10. Who do this part of the work? Mark and Steve have agreed to do it. 11. How I understand you? What do you expect from me? 12. Im so worried. You definitely let me know as soon as you know learn anything new. 13. It takes me long to get to work. I spend an hour and a half every day. 14. You give up smoking, the doctor said to the patient. 15. I discuss it with him? Do you expect me to?



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