Bài tập 1: Điền dạng đúng của động từ
1. If she ....................(study) hard, she .....................(pass) the exam.
2. If I ..................(come) soon, I ....................(call) you.
3. She ...................(feel) sad if you ....................(not, give) her a gift.
4. ......................... (Fred/be) angry if ......................... (Jack/arrive) late again.
5. No one .........................(know) the truth if you ................(not, reveal)
6. If the boy ....................(eat) that apple, he ....................(be) ill.
7. If you .....................(not, hurry), you .....................(miss) the bus.
8. Tell him about this story if you .........................(see) him.
9. If you ..........................(have) a day off where you..............(go)?
10. If he ..................(cook) the meal himself, help him.
11. If......................(the weather/be) beautiful tomorrow, ...................... (we/drive) to the beach
12. ......................... (I/buy) that machine if ......................... (it/not/cost) too much.
13. Your father ...............(pick) you up if you ..................(come) back late?
14. What you ..................(speak) if you ....................(meet) a foreigner?
15. ......................... (they/win) this match, ......................... (they/be) the champions.