YOU SAID:

Steve swiftly fell over his dog and barked

INTO JAPANESE

スティーブはすぐに犬の上に倒れて吠えた

BACK INTO ENGLISH

Steve immediately fell on the dog and barked.

INTO JAPANESE

スティーブはすぐに犬の上に倒れて吠えました。

BACK INTO ENGLISH

Steve immediately fell on the dog and barked.