Exercise 1: Put the verbs in brackets into the correct forms. 1. If I (know) that you were ill, I (go) to see you. 2. I (see) him if I (go) to the party last night. 3. What (you/ do) if you (be) him? 4. If I (make) that mistake again, my teacher (get) angry with me. 5. If he (go) to London yesterday, he (meet) his old friend. 6. My dog (bark) if it (hear) any strange sound. 7. If you (not go) away, I (send) the police. 8. If I (be) in your police. I (accept) Mr. Anderson’s invitation. 9. I was busy. If I (have) free time. I (go) to the cinema with you. 10. Why didn’t you attend the meeting? Oh, I didn’t know. If I (know) , I (come) there. Exercise 2: Put the verbs in brackets into the correct forms. 1. It is too bad Helen isn’t here. If she (be) here, she (know) what to do. 2. If I (not eat) breakfast tomorrow morning, I (get) hungry during class. 3. If you (put) this red button, the TV will (turn off) . 4. I (let) you know if I (find) out what’s happening. 5. He didn’t listen to the teacher. If he (listen) carefully, he (perform) well in the examination. 6. He’s waiting for his mother to come back from Chicago. If his mother (come) home, he (have) a lot of presents. 7. He wanted to buy some Christmas presents but he couldn’t. If he (afford) to buy, his children (be) very happy to greet a new year. 8. It (be) quicker if you (use) a computer. 9. (bring) him another cake if he (not/like) this one. 10. She (be) angry if she (bear) this tomorrow.