YOU SAID:

he looks like he sat on a warm toilet seat

INTO JAPANESE

彼は暖かい便座に座っていたように見えます

BACK INTO ENGLISH

It looks like he was sitting on a warm toilet seat

INTO JAPANESE

彼は暖かい便座に座っていたようです

BACK INTO ENGLISH

He seems to have been sitting on a warm toilet seat

INTO JAPANESE

彼は暖かい便座に座っていたようです

BACK INTO ENGLISH

He seems to have been sitting on a warm toilet seat