я никогда прежде не

I have never before…

→ я
phrase Rare #38,643
I have never before… This phrase is followed by a verb; the verb is negated with не.
RU: Я никогда прежде не пробовал суши.
EN: I have never tried sushi before.

Я никогда прежде не был в Бостоне.

I have never been to Boston before.

Образец, который я никогда прежде не видел.

A specimen I had never seen before.

— Звёздный путь 2: Гнев Хана (1982)