я бы сам

I would do it myself

→ я
phrase Rare #27,342
I would do it myself сам is the masculine form; a female speaker uses сама. The phrase can also be left unfinished when the action is understood from context.
RU: Я бы сам приготовил ужин.
EN: I would make dinner myself.

Я бы сам сходил, но мне некогда.

I’d go myself, but I don’t have time.

Я бы сам, но не могу изменить.

I would do it myself, but I can't change it.

— Peculiarities of the National Hunt (1995)

Я бы сам не сделал лучше.

I couldn't have done it better myself.

— Пятый элемент (1997)

Я бы сам это сделал, если бы знал как.

I would have done it myself if I had known how.

Я бы сам дал, сам, но потом!

I’d give it myself, I would, but later!

— Legend No. 17 (2013)