YOU SAID:

I go out ans then i come back

INTO JAPANESE

私は出て行ってから戻ってきます

BACK INTO ENGLISH

I go out and then come back

INTO JAPANESE

外に出てから戻ってきます

BACK INTO ENGLISH

Go out and come back

INTO JAPANESE

外に出て戻ってくる

BACK INTO ENGLISH

Go out and come back