YOU SAID:

My duck farted on my lawn

INTO JAPANESE

私のアヒルは私の芝生にいじっていた

BACK INTO ENGLISH

My duck was playing with my lawn

INTO JAPANESE

私のアヒルは私の芝生で遊んでいました

BACK INTO ENGLISH

My duck was playing on my lawn

INTO JAPANESE

私のアヒルは私の芝生で遊んでいました

BACK INTO ENGLISH

My duck was playing on my lawn