English Grammar Answer Key: Modals and Conditionals

Section 3: Multiple Choice Answers

• 2) a
• 3) b
• 4) b
• 5) c
• 6) a
• 7) a
• 8) b
• 9) c
• 10) b
• 11) c
• 12) b
• 13) c
• 14) a
• 15) c
• 16) b
• 17) c
• 18) a
• 19) a
• 20) b
• 21) c
• 22) a
• 23) d
• 24) c
• 25) a

Section 4: Modal Verbs

• 1) Can’t
• 2) Shouldn’t
• 3) Must
• 4) Can’t
• 5) Don’t need
• 6) Must be
• 7) Don’t need
• 8) Mustn’t
• 9) Mustn’t
• 10) Should

Section 5: Perfect Modals and Past Ability

• 1) Should have studied
• 2) Must have finished
• 3) Didn’t need to have reserved
• 4) Shouldn’t have directed
• 5) Should write
• 6) Shouldn’t have gone
• 7) Could run
• 8) Must have been
• 9) Shouldn’t have applied
• 10) Shouldn’t have started
• 11) Could go
• 12) Can’t be
• 13) Don’t need to
• 14) Could have paid
• 15) Mary mustn’t have told
• 16) Couldn’t get
• 17) Can’t have seen
• 18) Shouldn’t have asked
• 17) Must turn off
• 18) Can’t be easy
• 19) Could have committed
• 20) Couldn’t cook

Section 6: Multiple Choice

• 1) d
• 2) b
• 3) d
• 4) b
• 5) d
• 6) a
• 7) d
• 8) a
• 9) b
• 10) d
• 11) a
• 12) b
• 13) a
• 14) a
• 15) b
• 16) b

Section 8: Modal Verbs Practice

• 1) Must have offered
• 2) Must have known
• 3) Ought to go
• 4) Must have left
• 5) Could read

Section 9: Conditional Sentences

1. The street market would have been a success if it hadn’t rained so much.
2. Your hair would look better if you cut it.
3. May will get a stomach ache if she doesn’t stop eating.
4. xxx
5. Thousands of children wouldn’t die if they were vaccinated.

Section 10: If-Clause Completions

1. If you go to Britain, you will be able to speak English all day.
2. xxx
3. If I had enjoyed it, I would go.
4. If I had told them, I could have got help.
5. If you come, you will enjoy it.
6. xxx
7. If he gets there, he won’t get lost.
8. If you had reminded me, I wouldn’t have forgotten.
9. If you don’t go, you will be sorry.
10. If he hurries, he will miss it.
11. If he had done it, he would have got better.
12. xxxx
13. If you can find it, you don’t want to leave.
14. xxx
15. If I had it, I would lend it to you.
16. If I had told you we had run out, I would have bought more.
17. If I had known where it was, I wouldn’t have walked.
18. xxx
19. If you made it, you can do it.

Section 11: Wishes and Regrets

• 1) Had
• 2) Was
• 3) xxxx
• 4) Wouldn’t
• 5) Would come
• //////
• 6) Could come
• 7) Could go
• 8) Had kept
• 9) Hadn’t lost
• 10) Would turn up

Section 12: Sentence Transformations

1. I would have had my camera with me.
2. If I were you, I would leave it.
3. Why did you trust him?
4. He took them to a safe place.
5. I won’t be able to go on a motorcycle.
6. You risk infecting more people.
7. We would be furious if anyone arrived even one minute late.
8. Did you come to the cinema?
9. If it had wheels.
10. He had done better.

Section 13: Mixed Conditionals

1. Had / would grow / would be
2. Spend / won’t have enough time to do
3. Wasn’t / wouldn’t have been
4. Stays / will be
5. Wouldn’t speak
6. Would happen / would play / would miss / would fail / would have / wouldn’t feed / wouldn’t get / would catch / could die / would have / would keep