Bài tập 1: về câu điều kiện loại 1 1. If we_________(to send) an invitation, our friends……….(to come) to our party 2. He ………..(not/to understand) you if you (to whisper) 3. They ……………(not/to survive) in the desert if they……………(not/to take) extra water wish them 4. If you ………….(to press) CTRL+S, you……….(to save) the file. 5. You …………..(to cross) the Channel if you ……………..(to fly) from Paris to London 6. Fred…………….(to answer) the phone if his wife ………………….(to have) a bath. 7. If Claire …………..(to wear) this dress at the party, our guests……………(not/to stay)any longer 8. If I …………….(to touch) this snake, my girlfriend…………………….(not/to scream) 9. She…………….(to forget) to pick you up if you ……………………..(not/to phone) her 10. I ……………..(to remember) you if you ………………..(to give) me a photo. Bài tập 2: câu điều kiện loại 2 1. If you…………..(to help) your grandma, I………….(to do) the shopping. 2. Andrew ……………..(to water) the flowers if he ……………(to stay) at home. 3. If she……………..(to have) 5 pounds more, she ……………..(to buy) herself this T-shirt. 4. If they…………….(to offer) me the job, I………………(to take) it. 5. You………………(to have) summer holidays from June till August if you ………….(to live) in the USA. 6. We………………(to sell) the bike for 20 Euros if Ron………………….(to repair) it. 7. If you…………….(to use) a pencil, the drawing……………(to be) perfect. 8. The childent……………(to be) happy if he …………………(to teach) the English. 9. If Ireen……………….(to visit) us, we…………(to go) out tonight. 10. They……………….(to come) again if he……………..(to plain) a second stay. Bài tập 3: câu điều kiện loại 3 1. If you………………….(to check) the car, it…………………(not/to break) down in the middle of the desert. 2. If it………………..(not/to rain), the childen………………..(to play) outside. 3. If my parents……………….(not/to be) so tired, they……………..(to watch) the film on TV 4. If she …………………(to buy) a new hard disk, she……………..(not/to lose) all data 5. If we…………………(to use) the town map, we………………..(not/to get) lost. 6. If Tom…………………(to eat) more salad. He………………(not/to catch) a cold. 7. If the police……………..(not/to stop) me, I……………………..(to reach) you in time 8. If his older brother………………….(not/to drive) so fast, he…………………………. (not/to crash) into the other the car. 9. If Fred………………(not/to cheat) at the test, his teacher………………….(not/to phone) his father 10. If I…………………(not/to switch off) the radio, I………………..(to know) about the second goal. Bài tập 4: Hoàn thành các câu sau với các từ ở trong ngoặc câu điều kiện loại 1 2 3 1. If we meet at 9:30, we________________(to have) plenty of time. 2. Lisa would find the milk if she________________(to look) in the fridge. 3. The zookeeper would have punished her with a fine if she ___________(to feed) the animals. 4. If you spoke louder, your classmate_______________(to understand) you. 5. Dan ___________(to arrive) safe if he drove slowly. 6. You ____________(to have) no trouble at school if you had done your homework. 7. If you_______________(to swim) in this lake, you’ll shiver from cold. 8. The door will unlock if you _______________(to press) the green button. 9. If Mel _________________(to ask) her teacher, he’d have answered her questions. 10. I ____________(to call) the office if I was/were you.