Bài tập về mệnh đề If Sentence Building: Rewrite the following sentences by using conditional sentences. 1. I'll buy a new hat. I'll give it to you. If______________________________. 2. Today isn't Sunnday. The pupils can't go swimming. If______________________________. 3. He wasn't here. He didn't have a lot of fun. If______________________________. 4. My brother will have anough money. He will buy a bicycle. If______________________________. 5. He didn't have time. He didn't read this novel. If______________________________. 6. Because she missed the bus, she was late. If______________________________. 7. Peter doesn't study hard, so he can't get good marks. If______________________________. 8. My sister is absent from her class because she has a terrible headache. If______________________________. 9. Windy didn't come, so we cancelled the meeting. If______________________________. 10. He was angry, so he didn't say anything. If______________________________. KEYS: Sentence Building: Rewrite the following sentences by using conditional sentences. 1. I'll buy a new hat. I'll give it to you. If I buy a new hat, I'll give it to u 2. Today isn't Sunnday. The pupils can't go swimming. If today was Sunday the pupils could go swimming 3. He wasn't here. He didn't have a lot of fun. if he had been here he would have a lot of fun 4. My brother will have anough money. He will buy a bicycle. If my father has enough money he'll buy a bicycle 5. He didn't have time. He didn't read this novel. If he had had time he would have read thí novel 6. Because she missed the bus, she was late. If she hadn't missed the bus she wouln't have been late 7. Peter doesn't study hard, so he can't get good marks. If Pt studied hard he could get good marks 8. My sister is absent from her class because she has a terrible headache. If my sister didn't have a terrible headache she would be absent from her class 9. Windy didn't come, so we cancelled the meeting. If windy had come we wouldn't have cancelled the meeting 10. He was angry, so he didn't say anything. If he hadn't angry he would have said something Fill in the blanks: 1. If it had not rained, we (go)_______ camping. 2. If he (speak)_______ more slowly, I could have understood him. 3. What_______you (do)_______ if you were a mokey? 4. If he had listened carefully, he (perform)_______well in his examination. 5. If I find your book, I (give)_______ it to you. 6. If you came with us, you (have)_______ a good time. 7. If I (not/miss)_______ the bus, I could have come early. 8. If I took a trip this summer, I (go)_______ to DatLat. 9. If he (not/steal)_______ the wallet, he (not/be)_______ in prison now. 10. If they (invite)_______ yesterday, I (be)_______ is a good day tomorrow. 11. We (go)_______ swimming if it (be)_______ a good day tomorrow. 12. If the weather (be)_______ nice last day, I (go)_______ for a walk. 13. My dog always barks if he (hear)_______ anything unusual. 14. If he (not/ do)_______ come soon, I'm not going to wait. 15. If the phone (ring)_______, can you answer it? 16. If it rains this evening, I (not/will)_______ go out. 17. If she (come)_______, she will ghe a surprise. 18. If we had had enough money, we (buy)_______ that house. . Bài tập về mệnh đề If Sentence Building: Rewrite the following sentences by using conditional. blanks: 1. If it had not rained, we (go)_______ camping. 2. If he (speak)_______ more slowly, I could have understood him. 3. What_______you (do)_______ if you