YOU SAID:
the black dog jumped quickly over the brown fence then it accidentally bumped into a person walking down the road
INTO JAPANESE
黒い犬は茶色のフェンスを素早く飛び越え、その後、誤って道路を歩いている人にぶつかった
BACK INTO ENGLISH
The black dog jumped quickly over a brown fence and then accidentally hit a person walking on the road
INTO JAPANESE
黒い犬は茶色のフェンスを素早く飛び越え、誤って道路を歩いている人にぶつかりました
BACK INTO ENGLISH
Black dog jumped quickly over brown fence and accidentally hit by a person walking on the road
INTO JAPANESE
黒い犬は茶色のフェンスを素早く飛び越え、誤って道路を歩いている人にぶつかりました
BACK INTO ENGLISH
Black dog jumped quickly over brown fence and accidentally hit by a person walking on the road
That didn't even make that much sense in English.