YOU SAID:

The sad dog sat on the blue porsche

INTO JAPANESE

悲しい犬は青いポルシェの上に座っていた

BACK INTO ENGLISH

The sad dog was sitting on a blue Porsche

INTO JAPANESE

悲しい犬は青いポルシェの上に座っていた

BACK INTO ENGLISH

The sad dog was sitting on a blue Porsche