de poster la lettre

to mail the letter

→ de
phrase Rare #36,889
to mail the letter Used after verbs or expressions that require de before an infinitive, such as oublier de, se souvenir de, and rappeler de. Poster means to send by mail; in British English, “to post the letter” is also natural.
FR: Je vais essayer de poster la lettre demain.
EN: I’ll try to mail the letter tomorrow.

J'ai failli oublier de poster la lettre.

I almost forgot to mail the letter.

Rappelez-vous de poster la lettre.

Remember to mail the letter.

N'oublie pas de poster la lettre, s'il te plaît.

Please don't forget to mail the letter.

Je dois me souvenir de poster la lettre.

I must remember to mail the letter.

N'oublie pas de poster la lettre.

Don't forget to mail the letter.

N'oublie pas de poster la lettre, s'il te plait.

Don't forget to mail the letter, please.