YOU SAID:
A cat sat on a mat and wore a hat
INTO JAPANESE
猫がマットの上に座って帽子をかぶっていた
BACK INTO ENGLISH
A cat sat on a mat and wore a hat.
INTO JAPANESE
猫がマットの上に座って帽子をかぶっていた。
BACK INTO ENGLISH
The cat was sitting on the mat and wearing a hat.
INTO JAPANESE
猫はマットの上に座って帽子をかぶっていました。
BACK INTO ENGLISH
The cat was sitting on the mat and wearing a hat.
That didn't even make that much sense in English.