YOU SAID:

I have seventy six cats My brother is an annoying boy

INTO JAPANESE

私は70匹の猫を持っています私の兄弟は迷惑な少年です

BACK INTO ENGLISH

I have 70 cats My brothers are annoying boy

INTO JAPANESE

私は70匹の猫がいる私の兄弟は迷惑な少年です

BACK INTO ENGLISH

I have 70 cats My brothers are annoying boys

INTO JAPANESE

私は70匹の猫を持っています私の兄弟は迷惑な男の子です

BACK INTO ENGLISH

I have 70 cats My brothers are annoying boys