After the car have been damaged,the car was sent to repair.这句话怎么改成时间状语从句
问题描述：
After the car have been damaged,the car was sent to repair.这句话怎么改成时间状语从句
答
The car was sent to repair since it has been damaged.
答
The car was sent to repair when it was damaged.
答
The car was sent to repair when it had been damaged.