2015-10-14
2468
Model 1: My foot is aching. (walk)
I can’t walk.
1. I’m very busy now. (go)
2. I must hurry. (stay)
3. Are they reading the news on the radio? (hear)
4. What language is he speaking? (understand)
5. Who is over here? (see)
6. My head is aching. (read)
Model 2: I can do it now. (yesterday)
I couldn’t do it yesterday.
1. I can meet you today. (last night)
2. He can come tonight. (yesterday morning)
3. She can work in the garden this afternoon. (on Friday)
4. We can pay the money this week. (last week)
5. I can go with you now. (an hour ago)
6. Roger can play piano well. (an hour ago)
Model 3: Don’t ask George to do it.
He won’t be able to do it.
1. Don’t ask Nelly to meet you.
2. Don’t ask Roger to red to the child.
3. Don’t ask John to dance with you.
4. Don’t ask us to help Mary.
5. Don’t ask me to speak to her.
6. Don’t ask them to pay for us.
Exercise 72. Fill in the blanks with can or be able in different tenses.
1. When Carol passes her driving test, she _________ hire a car from Jane.
2. When the fog lifts we ________ see where we are.
3. You’ve put too much in your suitcase, you ________ carry it.
4. ______ you use word processor?
5. She ________ skate all day and dance all night.
6. We _________ borrow umbrellas from the Smiths; so we didn't get wet.
7. I knew London, so I _______ advise Betty what to see.
8. If you had had the right tools, _______you have repaired the fence?
9. _________ I speak to Mr. White, please?
10. If I knew Greek, I _________ tell you what this means.
Exercise 73. Complete the following sentences using could or was/were able to.
1. It was a fine day yesterday, so we ________ have a picnic, and we enjoyed it very much. 2. He suddenly felt ill, but he ________finish his speech, although at the end he could hardly stand. 3. He spoke very little French when he left school, but he ________ understand the language. 4. I got to the station at 9.50 a.m. and _________ catch the 9.55 a.m. train. I was very pleased I didn’t have to wait for the next train. 5. He has always been good at Maths. But even he _______ solve this difficult problem. 6. The town was full of visitors, and we didn’t know where we would spend the night, but at last we ________ find two vacant rooms in a small hotel. 7. Before his illness, he ________ work fourteen hours a day if he had to. 8. He was very strong; he _______ ski all day and dance all night. 9. I was along way from the stage. I ________ see all right but I _________ not hear very well. 10. When the garage repaired our car we _______ continue our journey. 11. When I arrived everyone was asleep. Fortunately I _______ wake my sister and she let me in.
|
|
|
