YOU SAID:

on my way to work I saw a dog and it got hit by a car

INTO JAPANESE

仕事に行く途中、犬を見かけ、車にはねられた

BACK INTO ENGLISH

I saw a dog on my way to work and was hit by a car.

INTO JAPANESE

通勤途中に犬を見かけ、車にはねられました。

BACK INTO ENGLISH

I saw a dog on my way to work and was hit by a car.