though he was badly hurt,the driver managed to get out of the car and "got" help.he preferd to stay at home watching TV rather than go to the concert.都是连词,为什么前一个后面过去式后一个是go?

问题描述:

though he was badly hurt,the driver managed to get out of the car and "got" help.
he preferd to stay at home watching TV rather than go to the concert.都是连词,为什么前一个后面过去式后一个是go?