YOU SAID:

josh and my mother are good friends but zack and his brother are even better friends

INTO JAPANESE

ジョシュ、私の母は、良い友達が、ザックと彼の兄弟たちはさらに良い

BACK INTO ENGLISH

Josh, my mother, were good friends Zack and his brothers are even better

INTO JAPANESE

ジョシュ、私の母、良い友達ザックと彼の兄弟がさらに良い

BACK INTO ENGLISH

Josh, my mother, my good friend Zach and his brother is even better

INTO JAPANESE

ジョシュ、私の母、私の良き友人ザックと彼の兄弟はさらに良い

BACK INTO ENGLISH

Josh, my mother, my good friend Zach and his brother is even better