YOU SAID:

and if you haven't met anyone yet, you must not have any friends

INTO JAPANESE

まだ誰にも会ったことがないなら、友達もいないはずです

BACK INTO ENGLISH

If you haven't met anyone yet, you probably don't have any friends.

INTO JAPANESE

まだ誰にも会ったことがない人は、おそらく友達がいないでしょう。

BACK INTO ENGLISH

If you haven't met anyone yet, you probably don't have any friends.