| A | B |
| Voy a escribirle una carta | I'm going to write her a letter |
| Voy a escribirles una carta | I'm going to write them a letter |
| Te la escribo | I'm writing it (letter) to you. |
| Se la escribo | I'm writing it to her. |
| Se la escribiré | I'll write it to her |
| Se la escribimos | We write them it. |
| Le escribo a menudo. | I write to her often |
| Les escribes | You write them |
| Se la escribes a ellos | You write them it. |
| Se la escribí | I wrote it to her. |
| Se la escribiste | You wrote it to him |
| se la escribió ayer | She wrote it to him yesterday |
| Le escribí una carta ayer | I wrote her a letter yesterday |
| Les escribí una carta la semana pasada | I wrote them a letter last week |
| ¿Me la escriirás? | Will you write it to me? |
| ¿Se la escribirás? | Will you write her it? |