Оригинал на английском:
49. The same verbs could, might, may, must, can't can be used when we speak about the past, only they are used with the perfect infinitive — have (done . What do you think happened in these situations?
Example: My neighbours have sold their house. — They must have bought a new one.
1. I don’t see Jack driving his yellow Jaguar any longer. 2. Rose and Alice used to be close friends but now they don’t speak to each other. 3. Electricity went off at about 10 o’clock p.m. and for about half an hour it was dark in the streets and in the houses. 4. Margo has got a new job, a very good one, too. 5. Tom switched off the TV set without watching the film to the end. 6. Sally returned home soaked to the skin and shivering. 7. Spartak football fans are crazy with excitement. 8. I saw Maria entering her house with two suitcases and a big bag. 9. Pauline has been taking Italian lessons for about two months. 10. Jim has started wearing a wedding ring.
Example: My neighbours have sold their house. — They must have bought a new one.
1. I don’t see Jack driving his yellow Jaguar any longer. 2. Rose and Alice used to be close friends but now they don’t speak to each other. 3. Electricity went off at about 10 o’clock p.m. and for about half an hour it was dark in the streets and in the houses. 4. Margo has got a new job, a very good one, too. 5. Tom switched off the TV set without watching the film to the end. 6. Sally returned home soaked to the skin and shivering. 7. Spartak football fans are crazy with excitement. 8. I saw Maria entering her house with two suitcases and a big bag. 9. Pauline has been taking Italian lessons for about two months. 10. Jim has started wearing a wedding ring.