was du für mich getan hast

what you have done for me

→ was
phrase Rare #32,373
what you have done for me Used as a relative clause referring to something the other person has done for the speaker. It often follows alles or das, meaning “everything that” or “what.”
GE: Ich werde nie vergessen, was du für mich getan hast.
EN: I will never forget what you have done for me.

Ich bin dir für das, was du für mich getan hast, wirklich dankbar.

I am truly grateful to you for what you have done for me.

Ich bin dir sehr dankbar für alles, was du für mich getan hast.

I’m very grateful to you for everything you’ve done for me.

Ich bin dir für all das, was du für mich getan hast, sehr dankbar.

I am very grateful to you for everything you have done for me.

Danke für alles, was du für mich getan hast!

Thank you for everything you’ve done for me!

Dafür, was du für mich getan hast.

For what you have done for me.

— Fight Club (1999)

Ich sage, was du für mich getan hast.

I'll tell you what you've done for me.

— Oh Boy (2012)

Für alles, was du für mich getan hast.

For everything you've done for me.

— Cinema Paradiso (1988)