YOU SAID:

The dog started chasing the cat until the cat got hit by a car

INTO JAPANESE

犬は猫が車にひかれるまで猫を追いかけ始めた

BACK INTO ENGLISH

The dog began chasing the cat until it was run over by a car.

INTO JAPANESE

犬は車にひかれるまで猫を追いかけ始めた。

BACK INTO ENGLISH

The dog began chasing the cat until it was run over by a car.