1. _______ I come in, sir?

2. Take an umbrella. It _______ rain later.

3. You _______ borrow my book if you return it tomorrow.

4. He's not at home. He _______ be at the library.

5. _______ I use your phone for a moment?

6. We _______ go to the beach this weekend, but it depends on the weather.

7. You _______ smoke in this building. It's forbidden.

8. If you work hard, you _______ succeed.

9. _______ I ask you a personal question?

10. They _______ be late because of the traffic jam.

11. It _______ be true, but I’m not sure.

12. _______ I turn on the TV?

13. She _______ come to the party if she finishes her work.

14. We _______ have a test tomorrow, but the teacher didn't say.

15. _______ I open the window? It’s hot in here.

16. He _______ be in his office, but he’s not answering the phone.

17. You _______ go home now if you feel unwell.

18. There _______ be some milk left in the fridge.

19. _______ I help you with your suitcase?

20. It _______ be a good idea to call them first.

21. _______ I leave the room for a minute?

22. They _______ win the game, but the other team is strong.

23. _______ I take a photo of you?

24. We _______ see a movie tonight if we are not too tired.

25. It _______ be very cold in the mountains.