YOU SAID:

i have a red car with a blue cat on it and i bought it yesterday

INTO JAPANESE

青い猫を乗せた赤い車があり、昨日買った

BACK INTO ENGLISH

I bought a red car with a blue cat and bought it yesterday

INTO JAPANESE

青い猫と一緒に赤い車を買って、昨日買った

BACK INTO ENGLISH

I bought a red car with a blue cat and bought it yesterday