YOU SAID:

My grandma thought me and my sister were the new neighbours

INTO JAPANESE

私のおばあちゃんは、私と私の妹が新しい隣人と思っていた

BACK INTO ENGLISH

My grandma thought, my sister and my new neighbor

INTO JAPANESE

私のおばあちゃんは、私の妹と私の新しい隣人と思った

BACK INTO ENGLISH

My grandma thought my sister and my new neighbor

INTO JAPANESE

私のおばあちゃんは私の姉と私の新しい隣人と思った

BACK INTO ENGLISH

My grandma thought my sister and my new neighbor