Exercise 1: Chia động từ trong ngo ặcở câu điều kiện loại 1 .
1. If I __________________ (not /have) lunch, I __________________ (be) hungry.
2. If he ________________ (not /be) at work, he ______________ (be) at home then.
3. If I ________________ (not/work), I __________________ (go) to a disco.
4. If Oanh _____________ (not/ be) thirsty, she _______________ (not/drink) any fizzy mineral water.
5. If she ___________ (not/ get) tired, I ________________ ( invite) her to our party.
6. If they ________________ (not/ communicate), they _________ (not /have) any jobs.
7. If my daughter __________ (not/ do) the washing up, I __________ (have to) do it instead of her.
8. I ___________ (not /tell) anybody about it if you ____________ (not/ want).
9. I am sure she ____________ (to do) it if you ______________ (to ask) her.
10. They ________________ (come) if she __________________ (invite) them.
11. He ______________ ( write) a letter to her if she _______________ (write) first.
12. I ________________ (go) there if you ________________ (go) with me.
13. Max ________________ ( pass) the exam if he ________________ (study) hard.
14. If he ____________ (not / be) at home, I ________________ ( visit) his sister then.
15. If she ___________ (not /walk) every day, she _________ (not / be) healthy enough.
16. If Max ______________ (not / accept) Alex’s invitation this time, Alex _________ (not/ invite) him again.
17. If my kid ______________ (not / read) this book, he _____________ (not /get) a good mark in Literature.
18. If Tom ________________ (not/ water) the violets, they ______________ (die).
19. If Lena ________________ (not/ be) happy, she ________________ (not /stay) there for a long time.
20. If my son ______________ (not /make) his bed, he ______________ (not / play) football with his friends.
21. If my teacher ______________ (not/like) my English, I ____________ ( try) to study it harder than before.
22. My son ________________ ( speak) English fluently if he ____________ ( go) to study English abroad.
23. If she ____________ ( fall) in love with Henry, they ______________ (get) married, I think.
24. If you ___________ (help) me, I ___________ (help) you.
25. If they ____________ (catch) the bus, they ___________ (arrive) on time.