O nos re o les que me voy a pasar un rato y no me voy bye bye ni nada de eso
I can help you with this. :)
Answer:
1. Se las envié.
2. Ella se la compró.
3. Él me lo recomendó.
4. Él te lo sirvió.
5. Quién nos la vendió?
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed