Practise answers to the following questions according to the model.model 1:   must i go there by an early train? (take the 10: 30)1. (a) yes, you must. (b) i am afraid, you must.2. no, you needn't. you may take the 10: 30.1.must i make up my mind today? (give the answer tomorrow). 2. must he explain to them how to use this machine? (read the instructions). 3. must i take your advice? (do as you please). 4. must they stay after classes? (go home). 5. must i take all my things now? (leave behind what you don't need). 6. must she pay all the money now? (pay only part of the sum). 7. must i let them know at once? (tomorrow). 8. must i go to him to discuss the arrangements? (phone).model 21: may i wait for him here? 1. (a) yes, you may. (b) all right, of course, you may (can).(a) no, you can't, (b) i am afraid you can't.1.may i smoke here? 2. may he take his examination in english before the 1st of june? 3. may we try another method? 4. may we take the delegation about the town now? 5. may i cross the street here? 6. may i take this seat? 7. may we call on you a bit later? 8. may i join you? model 3:   peter can speak english and what about you? (a) i can speak english too.(b) i can't. i can't speak english (at all).1. he can run very fast, and what about you? 2. they can translate political articles without a dictionary, and what about you? 3. i can shoot very well, and what about you? 4. she can read very fast, and what about them? 5. i can work anywhere, and what about you? 6. i can come very early, and what about them? перевод не нужен​