EX: Cho dạng đúng của động từ trong ngoặc để hoàn thiện câu điều kiện loại 1 và 2
1. If you (see)_____ Mai, I (tell)_____ him your news.
2. You (meet)_____ my brother if you (go)_____ to town on Monday.
3. Meg sleeps only 5 hours a day. If she (sleep)_____ longer, her health (improve)_____ fast.
4. If she (want)_____ to talk to me, she (ring up)_____. I guess she doesn't
5. If you (need)_____ help, my father (help)_____ you
6. We (have)_____ a picnic if the day (be)_____ fine
7. I (understand)_____ Mr Brown if he (speak)_____ slowly
8. If you (see)_____ a policeman, he (show)_____ you the way
9. I (finish)_____ the job tomorrow if I (can)_____
10. If you (give)______ him good meals, he ( not be able)_____ to work hard
11. You (make)_____ a fortune if you (take)_____ my advice. Too bad!
12. I (not need)_____ an umbrella if it (not rain)_____
13. If she (think)_____ it over carefully, she (form)_____ a clear opinion.
14. If they (catch)_____ a bus now, they (arrive)_____ at half past nine.
15. He (find)_____ the answers if he (look)_____ at the back of the book.
16. If I (think)_____ that about him, I (say)_____ so aloud.
17. If he (promise)_____ to behave in the future, his mum (forgive)_____ him.
18. If you (want)_____ me to, I (come)_____ for a walk with you.
19. If we (can)_____ come on Sunday, we (come)______. I am really sorry.
20. If you (wait)_____ for a moment, the waiter (bring)_____ you a coffee.
21. He (lose)_____ weight if he (stop)_____ eating so much.
22. Life (be)_____ monotonous if we (have)_____ nothing to do.
23. He (not phone)_____ me here unless it (be)_____ urgent.
24. If they (love)_____ each other, they (not fight)______ so much.
25. If she (be)______ patient, I (try)______ to explain.
26. If he (do)_____ that again, his father (punish)_____ him.
27. If Peter (ask)_____ Mary, I'm sure she (marry)_____ him.
28. She (get)_____ fit if she (walk)_____ every day 3km
29. If she (drink)_____ this medicine, she (feel)______ much better.
30. He (be)_____ very pleased if it (be)______ really true