Viết lại câu sao cho nghĩa không đổi

1. My sister will have enough time. She will buy a new car.
         If………………………………………………………………

      2. I  am sick now, so I can’t go to class.
         If………………………………………………………………
     3. Quickly or you will be late.

        If ………………………………………………………………
      4. She can’t buy this computer because she has no money.
        If ……………………………………………………………
     5.She is lazy so she can’t pass the exam.
      If…………………………………………………………