YOU SAID:

if the toad goes to the backyard then the fish will be disturbed

INTO JAPANESE

ヒキガエルが裏庭に行くと魚が邪魔されるでしょう

BACK INTO ENGLISH

Fish will be disturbed if toads go to the backyard

INTO JAPANESE

ヒキガエルが裏庭に行くと魚が邪魔される

BACK INTO ENGLISH

Fish are disturbed when toads go to the backyard

INTO JAPANESE

ヒキガエルが裏庭に行くと魚が動揺する

BACK INTO ENGLISH

Fish upset when toads go to the backyard

INTO JAPANESE

ヒキガエルが裏庭に行くと魚が動揺する

BACK INTO ENGLISH

Fish upset when toads go to the backyard