Spanish phrase
Le agradecería ~.
Meaning
I would appreciate it if you could ___.
When to use it
This phrase expresses a polite, deferential request. It politely softens a favor request to superiors or less familiar contacts and shows respect for the other's time.
Example dialogue
Le agradecería que revisara el informe antes del lunes.
I would appreciate it if you could review the report before Monday.
De acuerdo, lo revisaré.
Okay, I'll review it.