Q:

The dealer will service the scooter for free the first three times.

• 1
  For the first three times, the dealer will service the scooter for free.
• 2
  Servicing of the scooter for free will be done by the dealer for the first three times.
• 3
  The scooter will be serviced for free by the dealer for the first three times.
• 4
  The scooter was serviced for free by the dealer for the first three times.