Ex1: Tìm và sửa lỗi sai
2. His English friend told him that he would help him to learn English if he has time.
                  A                                                B                 C                             D
3. If you were a fish, what kind of fish will you be?
     A           B                             C          D
4. Frank would have passed the test if he studied more often.
                             A                B         C          D
5. Unless Marry could be an animal, she would like to be a dolphin.
        A                      B                                     C             D
6. Unless we had more rain, our crop would grow faster.
         A             B             C                           D
7. The thief would steal money if he were rich.
      A               B                        C         D
8. If I were to have a lot of money, I will buy that building.
    A             B                 C                     D
9. If were I in your position, I would have another check.
    A    B                      C                  D
10. I couldn't possibly go there if my parents gave me some money.
             A           B                     C                      D