BÀI TẬP VỀ CẤU TRÚC USED TO
1. Mr And Mrs Bell                            a dog, but they don't have a dog new
2. Mrs Nga                        her dog for a walk in the park, but she doesn't anymore
3. Mai                          in the book, but now she words in a drugstore
4. My mother                             aerobics at the gym, but now she does three time a week
5. I              interested in chemistry, but now I am
6. My father                               in the morning, but now he joys five kilometers
7. Hoa's sister                             an air hostess , but she isn't anymore
8. My brother                           way late at night but now he does because he has to study for his
9. I                    eating ice cream a lot, but I don't anymore
10. My Baker                         his bike to work, but now he driver a car

1. Mr And Mrs Bell used to have  a dog, but they don't have a dog new
2. Mrs Nga used to do her dog for a walk in the park, but she doesn't anymore
3. Mai used to word in the book, but now she words in a drugstore
4. My mother used to do aerobics at the gym, but now she does three time a week
5. I didn't used to be interested in chemistry, but now I am
6. My father used to joy  in the morning, but now he joys five kilometers
7. Hoa's sister an air hostess , but she isn't anymore
8. My brother used to do way late at night but now he does because he has to study for his
9. I used to eat ice cream a lot, but I don't anymore
10. My Baker used to drive his bike to work, but now he driver a car