EX 1: Chia động từ. 1. Lan suggested ………………………… to the zoo on the weekend. (go) 2. The movie is not interesting. How about ……………………… to the concert ? (go) 3. You don’t like Chinese food. What about ……………………… English food ? (eat) 4. Our teacher suggests ……………………… a meeting to discuss the problem. (hold) 5. Her former leader suggested that she ………………………. harder for the exam. (train) 6. I suggest that fans ……………………… instead of air conditioners. (use) 7. Would you like ……………………… milk or water ? (drink) 8. What is the purpose of ………………………. energy-saving bulbs ? (use) 9. Tom suggested ………………………… to the zoo by his father. (take) 10. Our class suggested that the leader …………………….. very good and patient. (be) EX 2: Chia động từ a) Type 1 : 1. If the weather ………. good next weekend, we …………… away somewhere. (stay / go) 2. Come on ! If we ……………, we ………………… the bus. (hurry / catch) 3. There …………… big floods every year if the cutting down of trees continues. (be) 4. If there ……… too much litter in the streets, the environment will become polluted. (be) 5. If the sea level ………………, there will be many floods in many parts of the world. (rise) 6. They will be late for the meeting if they ………………… now. (not leave) 7. If you aren’t careful, you …………………. the plates. (drop) 8. If anyone ……………… me, please tell them I’m out. (phone) 9. If crops ………… with pesticides, they …………… by insects in soil. (spray / destroy) 10. If he ………………. too much pesticide on vegetables, they will become edible. (not use) b) Type 2 : 1. If you ………… a king, what ………………………… ? (be / you-do) 2. You would feel better if you ………………. a short rest. (take) 3. If she ………… two years older, she ……………… part in the contest. (be / take) 4. They ………………… angry if you didn’t inform him. (be) 5. The teacher …………. disappointed if I ……………. lazy like this. (not be / not be) 6. What ……………………. if the moon …………………… ? (happen / disappear) 7. If the cats had wings, they ………………. able to fly. (be) 8. If the streets …………………, there ……………. so many accidents. (widen / not be) 9. If you broke the traffic law like him, you ………………….. a fine. (get) 10. He ……………… better if he ……………… his hair dried. (look / not have) 11. If I ………. that you were in the hospital, I …………… you. (know / visit) 12. I shouldn’t believe it if I …………. with my own eyes. (not see) 13. If you ……………. ten minutes earlier, you ………………… a seat. (arrive / get) 14. If you ………………… more slowly, they ……………………. you. (speak / understand) 15. If he ………………. the instructions carefully, he …………… in hot water. (read / wash)