YOU SAID:
I have three siblings, a brother and two cats.
INTO JAPANESE
私には3人の兄弟姉妹、1人の兄と2匹の猫がいます。
BACK INTO ENGLISH
I have three siblings, one brother and two cats.
INTO JAPANESE
私には3人の兄弟姉妹、1人の兄と2匹の猫がいます。
BACK INTO ENGLISH
I have three siblings, one brother and two cats.
You've done this before, haven't you.