YOU SAID:

If my green car goes really fast and runs over my brown cat I will be extremely sad

INTO JAPANESE

私の緑の車が本当に速く行くと私の茶色の猫の上を走る場合、私は非常に悲しいだろう

BACK INTO ENGLISH

I'll be very sad if my green car goes really fast and runs over my brown

INTO JAPANESE

私の緑の車が本当に速く行くと私の茶色の上を走る場合、私は非常に悲しいだろう

BACK INTO ENGLISH

I'll be very sad if my green car goes really fast and runs over my brown