If vs whether

Lead-in

Write on the board:

1. Which word sounds better: IF or WHETHER?

2. Are both possible sometimes?

• I don’t know ___ he is coming.

• She asked me ___ I like coffee.

• Can you tell me ___ this bus goes to the centre?

• I don’t know _____ to stay home or not.

• I’m not sure ___ it will rain today.

More practice

Fill in the gaps

1. I don’t know ______ she’ll agree.

2. It depends on ______ the meeting finishes on time.

3. Call me ______ you need help.

4. We’re not sure ______ to cancel the trip.

5. She asked me ______ I was ready.

6. The result will change ______ or not he apologises.

7. I’ll go for a walk ______ it stops raining.

8. They discussed ______ the plan was realistic.

Error correction (find the mistakes and explain why)

1. I don’t know whether to accept the offer.

2. It depends on if she arrives early.

3. Whether it rains, we’ll stay home.

4. She couldn’t decide if or not to go.

5. I asked him whether he was busy.

6. We’ll go hiking whether the weather is good.

7. They’re unsure whether or not the plan will work.

8. I’ll help you if you ask nicely.

Semi-controlled practice

1. I don’t know. Will she come? (if)
   → I don’t know __________.

2. The decision depends on his answer. (whether)
   → The decision depends on __________.

3. I’m not sure. Should I call her? (whether)
   → I’m not sure __________.

4. If you practise, you’ll improve. (if)
   → (keep as conditional – check they don’t use whether)

5. She asked: “Are you ready?” (whether)
   → She asked __________.

6. We are uncertain. Will the project succeed or not? (whether)
   → We are uncertain __________.

Open the brackets practice

1. I don’t know ______ she’s at home.
2. Call me ______ you need help.
3. We’re not sure ______ to book the tickets now.
4. It depends on ______ the manager approves it.
5. She asked me ______ I had finished the report.
6. I’ll go for a run ______ it stops raining.
7. They’re discussing ______ the price is too high.
8. I can’t decide ______ to study abroad or stay here.
9. Let me know ______ you’re coming.
10. The trip depends on ______ we get enough time off work.
11. I’m not sure ______ or not this is the right decision.
12. He asked ______ I was feeling better.
13. You can borrow my car ______ you promise to drive carefully.
14. We’re thinking about ______ to move to another city.
15. I don’t care ______ he agrees or not.
16. The company will hire her ______ she passes the interview.
17. They’re worried about ______ the project will succeed.
18. She asked me ______ I could help her.
19. I’ll support you ______ you decide to change careers.
20. We haven’t decided ______ to invite them.
21. The result depends on ______ he studies hard.
22. Do you know ______ the meeting has started?
23. I’m unsure ______ this is the best solution.
24. You’ll feel better ______ you get enough sleep.
25. The teacher asked ______ we understood the task.
26. We’re debating ______ or not to buy a new car.
27. It doesn’t matter ______ you agree.
28. She’s interested in knowing ______ the offer is still available.
29. I’ll stay home ______ I feel tired later.
30. They couldn’t agree on ______ to change the schedule.

Translation Practice

1. Я не знаю, чи він уже прийшов.

2. Зателефонуй мені, якщо тобі потрібна допомога.

3. Ми не впевнені, чи варто скасовувати зустріч.

4. Результат залежить від того, чи він складе іспит.

5. Вона запитала, чи я готовий.

6. Я піду на прогулянку, якщо перестане дощити.

7. Я не можу вирішити, чи купити цей телефон.

8. Ми ще не вирішили, чи переїжджати в інше місто.

9. Скажи мені, чи ти прийдеш.

10. Вони обговорюють, чи це хороша ідея.

11. Я не впевнений, чи це правильне рішення.

12. Це не має значення, чи він погодиться.

13. Вона хвилюється, чи все буде добре.

14. Я запитав її, чи вона бачила цей фільм.

15. Ми досі не знаємо, чи схвалять наш запит чи ні.

Speaking time

Tell students:

1. Ask me questions to discover something about me.

2. Ask questions to discover something about each other.

Students ask indirect questions:

• Can you tell us if you like spicy food?

• We want to know whether you have pets.

• Could you tell us if you travel a lot?