Bài 1: Put the verb in the brackets in the correct tense
       1. If I (study), I (pass) the exams
       2. If the run () we (walk) to the town
       3. If he (have) a temperature, (see)  the doctor
       4. If my friends (come), I (be) very happy
       5. If she (earn) a lot of many, she (fly) to New York
Bài 2 : Arrange the following sentences as directed
       1.If I don't come here early, I will mis the bus
           ⟹Unless ....
       2. If the doesn't, he will get bonus
           ⟹Unless ....
       3. In case it rains, we'll stay at home 
             ⟹
       4. If you don't leave the office, I will call the police
              ⟹
        5. You can't visit Paris unless you get a visa
              ⟹