Reference Notes | English
Deductions And Explanation – Meaning Into Words
For: Class 12 | Solution of Work Book
Unit 3: Deductions And Explanation
1. Rewrite the following conclusions using must, can’t or might/ may.
a. I’m sure they’ve arrived.
Ans: They must have arrived.
b. I’m sure she is not having dinner.
Ans: She can’t be having dinner.
c. Perhaps, he heard you.
Ans: He may have heard you.
d. I’m convinced he hasn’t forgotten my name.
Ans: He can’t have forgotten my nae.
e. May be, he was delayed.
Ans: He might have been delayed.
2. Draw two conclusions using must and can’t for each of the following pieces of evidence:
a. His name isn’t in the phone book.
Ans: i. He can’t be popular.
ii. He must be new to the area.
b. The door is open.
Ans: i. They must be at home.
ii. They can’t have gone out.
3. Read the situations and use the words in brackets to write sentences with must, must have, can’t and can’t have:
Example: The phone rang but I didn’t hear it. (I/ asleep)
I must have been asleep.
a. You’ve been travelling all day. (you/ very tired).
Ans: You must have been very tired.
b. That restaurant is always empty. (it/ very good)
Ans: It can’t have been very good.
c. When I woke up this morning, the light was on. (I/ forgot/ to turn it off)
Ans: I must have forgotten to turn it off.
d. They haven’t lived here for long. (They/ know/ many people)
Ans: They can’t have known many people.
e. The jacket you bought is very good. (it/ very expensive)
Ans: It must be very expensive.
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4. Rewrite the following sentences below, using must, can’t, or might/ may:
a. I’m sure they have gone out.
Ans: They must have gone out.
b. Perhaps she didn’t meet her friends.
Ans: She may/ might not have met her friends.
c. It’s possible that they are visiting us.
Ans: They may/ might be visiting us.
d. Obviously you’ve been unopposed.
Ans: You must have been unopposed.
e. Perhaps she wasn’t telling the truth.
Ans: She may/ might not have been telling the truth.
5. Rewrite the following sentences using must, can’t, or may/ might.
a. I’m sure she will achieve the first position.
Ans: She must achieve the first position.
b. Obviously, Nepal won the final match.
Ans: Nepal must have won the final match.
c. May be he is sociable.
Ans: He may be sociable.
d. Many students are flying abroad.
Ans: Many students might be flying abroad.
e. He actively teaches well.
Ans: He must teach well.
6. Change the sentences below, using, can’t and might/ may.
a. I’m sure they won’t come.
Ans: They can’t come.
b. Perhaps he’s going to take me out.
Ans: He might be going to take me outs.
c. I’m sure he’s been drinking.
Ans: He must have been drinking.
d. Perhaps she isn’t studying.
Ans: Hey may not be studying.
e. I’m sure he’s not a Nepali.
Ans: He can’t be a Nepal.
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