| A | B |
| Muy estimado señor | Dear sir |
| Muy estimado señores (-as) | Dear sirs (madams) |
| muchas gracias por | thank you for |
| con referencia a | with reference to |
| con respecto a | with reference to |
| le(s) agradezco | I appreciate you (you all) |
| como ya sabe(n) | as you already know |
| he recibido su correo electrónico | I have received your email |
| acabo de recibir su | I have just received your |
| antes que nada | above all |
| adjunto | I attach |
| quisiera informarle que | I would like to inform you that |
| para darle una idea de | to give you an idea about |
| es importante que Ud. sepa que | it is important that you know |
| como se puede imaginar | as you can imagine |
| como Ud. imaginará | as you can imagine |
| en primer lugar | first of all |
| en segundo lugar | second of all |
| en contestación de su correo electrónico del (fecha) | in response to your email of (date) |
| haga el favor de (+ infinitive) | please (fix, respond, etc) |
| le(s) pido que (+ subjunctive/Ud) | I ask that you/all (+ subjunctive) |
| me gustaría que me dijera | I would like you to tell me |
| me gustaría que me informara sobre | I would like you to inform me about |
| en espera de la información | in hopes of (receiving) the info |
| no olvide(n) de darme | don't forget to give me |
| no olvide(n) de responderme | don't forget to answer me |
| le(s) ruego que me confirme | I beg you(all) to confirm for me |
| Atentamente | Attentively |
| Le(s) saluda cordialmente | Greeting you(all) formally |
| respectuosamente | respectfully |
| cordialmente | cordially |
| reciba un saludo | receive my greeting |
| se despide | saying good bye |