YOU SAID:

i only speak english mate

INTO JAPANESE

私は話す英語の仲間

BACK INTO ENGLISH

I'm English speaking friends

INTO JAPANESE

私は英語を話す友人

BACK INTO ENGLISH

My friends who speak English.

INTO JAPANESE

私の友人は英語を話す。

BACK INTO ENGLISH

My friend speaks English.

INTO JAPANESE

私の友人は、英語を話します。

BACK INTO ENGLISH

My friend speaks English.