YOU SAID:

my chair is with my grandma

INTO JAPANESE

私の椅子は私のおばあちゃんと共にいる

BACK INTO ENGLISH

My chair is with my grandma

INTO JAPANESE

私の椅子は、私のおばあちゃん

BACK INTO ENGLISH

My chair is my grandma.

INTO JAPANESE

私の椅子は、私のおばあちゃんです。

BACK INTO ENGLISH

My chair is my grandma.