YOU SAID:

there is a dog eating my wall

INTO JAPANESE

私の壁を食べている犬がいます

BACK INTO ENGLISH

There is a dog eating my wall

INTO JAPANESE

犬が私の壁を食べています

BACK INTO ENGLISH

The dog is eating my wall

INTO JAPANESE

犬は私の壁を食べています

BACK INTO ENGLISH

The dog is eating my wall