Exercise 4. Complete the following sentences using
“can” or “to be able to” in the necessary tense.
1. In the dimness of the landing I not see very well .
2. What I do for you? 3. You take a horse to the
water, but you not make him drink. 4. He suddenly felt ill,
but he finish his speech, although in the end he hardly stand. 5. I got to the station at 9.50 a.m. and catch the
9.55 a.m. train. 6. you call a little later? I’m afraid I shall
be busy till seven. 7. You see him at the meeting tomorrow. 8. I think you do it if you tried. 9. Before his illness,
he work fourteen hours a day if he had to. 10. He spoke
very little French when he left school, but he understand
the language.
Exercise 5. Make sentences with “will be able to”.
1. I / swim / soon.
2. Little Tom / talk / soon.
3. We / write / to you / next week.
4. They / visit / his parents / soon.
5. We / buy a car / next year.
6. The doctor / see you / tomorrow.
7. Tim / play chess / next year.
8. Little Nelly / read / in a year.
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9. I / drive / soon.
10. They / go to America / one day

Exercise 4:
1. In the dimness of the landing I couldn't see very well.
Explanation: Here, "could" is used to express the ability or capability of not seeing very well due to the dimness of the landing.

2. What can I do for you?
Explanation: "Can" is used to ask about someone's ability or capability to help or assist.

3. You can take a horse to the water, but you can't make him drink.
Explanation: Here, "can" is used to express the general ability or capability to take a horse to water, but the phrase also emphasizes the inability to make the horse drink.

4. He suddenly felt ill, but he managed to finish his speech, although in the end he could hardly stand.
Explanation: "Could" is used to indicate his ability to finish the speech even though he was feeling ill. The phrase "could hardly stand" highlights the difficulty he experienced.

5. I got to the station at 9.50 a.m. and was able to catch the 9.55 a.m. train.
Explanation: "Was able to" emphasizes that I successfully caught the train, indicating my ability or capability to do so.

6. Can you call a little later? I’m afraid I will be busy until seven.
Explanation: "Can" is used to ask about the person's ability or capability to call later. "Will be" indicates the future tense, and "busy until seven" explains why the person may not be able to call earlier.

7. You will see him at the meeting tomorrow.
Explanation: "Will" is used to express the future tense and the speaker's certainty or belief that the person will be able to see him at the meeting.

8. I think you can do it if you try.
Explanation: "Can" indicates the person's ability or capability to do something, and "if you try" emphasizes the condition or effort required to achieve it.

9. Before his illness, he could work fourteen hours a day if he had to.
Explanation: "Could" is used to express the person's ability or capability to work fourteen hours a day if necessary before their illness.

10. He spoke very little French when he left school, but he was able to understand the language.
Explanation: "Was able to" indicates the person's ability or capability to understand the language despite speaking very little of it.

Exercise 5:
1. I will be able to swim soon.
2. Little Tom will be able to talk soon.
3. We will be able to write to you next week.
4. They will be able to visit his parents soon.
5. We will be able to buy a car next year.
6. The doctor will be able to see you tomorrow.
7. Tim will be able to play chess next year.
8. Little Nelly will be able to read in a year.
9. I will be able to drive soon.
10. They will be able to go to America one day.