1. The window was broken while the boys ________________ football. play were playing are playing played 2. If you don’t eat anything, you will be ill. ( Rewrite) Unless..................................................................................... you don’t eat anything, you will be ill you eat anything, you will be ill. you eat something, you will be ill. you eat something, you won’t be ill. 3. It rained heavily. We didn’t have a picnic. ( Rewrite) ..................................................................................................... If it rained heavily, we didn’t have a picnic. If it didn’t rain heavily, we would have a picnic. If it hadn’t rained heavily, we would have a picnic. If it hadn’t rained heavily, we would have had a picnic. 4. My sister has cleaned my shoes. ( Rewrite) ................................................................................................... My shoes has been cleaned by my sister. My shoes have been cleaned by my sister. My shoes have been clean by my sister My shoes have be cleaned by my sister. 5. You should __________ to class on time. going went go to go 6. We cannot clean up our ...........................rivers and seas overnight. polluted polluting pollute pollution 7. Without plants, most water would run ...................as soon as it falls up off down about 8. Why don’t you ...................us in this trip? to join joining join joined 9. How about ....................to the cinema tonight? go going gone to go 10. Cuc Phuong National Park is ....................160 kilometres south west of Ha Noi located locate locates locating 11. Visitors go to Nairobi to learn how one species is dependent upon another .................survival. to at for on 12. I’m sure Sue ........................if you explained the situation to her understand will understand would understand would have understood 13. Liz gave me this ring. She would be very upset if I ....................it. lost lose will lose would lose 14. If I sold my car, I .......................much money for it wouldn’t get wouldn’t have got won’t get didn’t get 15. We ......................the party better if it had not been so long. would enjoy will enjoy had enjoy would have enjoyed 16. If you had listened to me, you ...................it now. wouldn’t regret would regret would not have regretted would have regretted 17. This room .....................for the classroom. can use can used can be used can using 18. .....................to your party? will she invite she will invite she will be invited Will she be invited 19. I am not a millionaire, so I can’t help you.( Rewrite) If I am a millionaire, I can help you. If I were a millionaire, I can help you. If I were a millionaire, I couldn’t help you. If I were a millionaire, I could help you. 20. Because Hoa was sick, she couldn’t come to your party. If Hoa had been sick, she could have come to your party. If Hoa hadn’t been sick, she couldn’t have come to your party. If Hoa wasn’t sick, she could have come to your party. If Hoa hadn’t been sick, she could have come to your party Giúp mình với mình đang cần gấp