B) Complete the sentences by using must, can’t, may, might, could, and their past forms:Sally appears sad and worried. She must have a problem with something.Bob cant be at school because I havent seen him today.Mr. Treves hasnt come to work yet. He has never been late for work. He might have missed the bus.Timmy is a very good boy. He isnt naughty, so he couldnt have broken that window. Someone else must have broken it.Im sure that I dropped my key in the car. It may be there at the moment.The street is wet this morning. Im not sure, but it might have rained last night.A: I talked to your science teacher at school yesterday. B: You cant have talked to her because she wasnt at school yesterday.A: The man was being taken to the hospital. He must have had an accident. B: Yes, Im sure he had an accident.A: Will you come to my birthday party tomorrow? B: I cant come to your party because I have to look after my little sister.A: Im going to do a parachute jump next week. B: You are going to jump out of an aeroplane! But youre 73 years old! You cant be serious. You must be mad. A: It really could be wonderful looking down on everything. Ive always wanted to try it. B: But anything could happen. You might be injured or even killed. A: Well, your life wont be much fun if you never take risks. You ought to try it, too. You never know. You might enjoy it. B: Enjoy it! You must be joking.She knew everything about our plans. She must have listened to our conversation.He couldnt have eaten the roasted beef when we were out. He is a vegetarian.Mrs. White bought a new fur coat! She must have won a lottery.John said he would ring, but he hasnt. He must have forgotten all about it.The children must be studying in the library now because they have a test tomorrow.The singer has got a sore throat, so she cant be singing at the concert.I may be at home this evening, or I might be out. Im not sure.He drank three glasses of water. He must have been very thirsty.A: Wheres the cat? B: It may have gone out; the door is closed.The police arrested him right away. They must have found enough evidence.He had no money, so he couldnt have lent you some.We cant wait any longer. Something must be done immediately.They all shouted in fear. They must have been very afraid.A: Your dog bit me as I was standing in the hall. B: It couldnt have been my dog. It was with me all day.A: I phoned you at 9 oclock this morning and got no answer. B: I may have been in the garden. I planted some flowers this morning.My grandmother always has a rest at this time of the day, so she must be taking a nap now.Mrs. Green wasnt good at ice-skating, but she insisted on it and broke her leg. She should have given up doing that.A: Im afraid Ted is watching TV again. B: He cant be watching TV because his room is completely silent and dark. He must be sleeping.That carpet was made by hand. It must have taken a long time to make it.
Ответ:
Certainly! In these sentences, we use modal verbs like «must,» «can’t,» «may,» «might,» and «could» to express different degrees of certainty or possibility.
- Sally appears sad and worried. She must have a problem with something. (We are quite sure that she has a problem.)
- Bob can’t be at school because I haven’t seen him today. (It’s highly unlikely that he is at school.)
- Mr. Treves hasn’t come to work yet. He has never been late for work. He might have missed the bus. (There is a possibility that he missed the bus.)
- Timmy is a very good boy. He isn’t naughty, so he couldn’t have broken that window. Someone else must have broken it. (It’s almost certain that Timmy didn’t break the window.)
- I’m sure that I dropped my key in the car. It may be there at the moment. (There’s a possibility that the key is in the car.)
- The street is wet this morning. I’m not sure, but it might have rained last night. (There’s a possibility of rain.)
- A: I talked to your science teacher at school yesterday. B: You can’t have talked to her because she wasn’t at school yesterday. (It’s highly unlikely you spoke to her.)
- A: The man was being taken to the hospital. He must have had an accident. B: Yes, I’m sure he had an accident. (We are almost certain that he had an accident.)
- A: Will you come to my birthday party tomorrow? B: I can’t come to your party because I have to look after my little sister. (I am unable to attend.)
- A: I’m going to do a parachute jump next week. B: You are going to jump out of an aeroplane! But you’re 73 years old! You can’t be serious. You must be mad. A: It really could be wonderful looking down on everything. I’ve always wanted to try it. B: But anything could happen. You might be injured or even killed. A: Well, your life won’t be much fun if you never take risks. You ought to try it, too. You never know. You might enjoy it. B: Enjoy it! You must be joking.
These modal verbs help us express varying degrees of certainty or possibility in different situations.