YOU SAID:

bob sat on A fat old log

INTO JAPANESE

ボブは太った古い丸太の上に座った

BACK INTO ENGLISH

Bob sat on a fat old log

INTO JAPANESE

ボブは太った古い丸太の上に座っていた

BACK INTO ENGLISH

Bob was sitting on a fat old log

INTO JAPANESE

ボブは太った古い丸太の上に座っていた

BACK INTO ENGLISH

Bob was sitting on a fat old log