Answer:
1. Yo recomiendo.
2. Yo apuesto.
3. Yo recuerdo.
4. Yo sonrío.
5. Yo despido.
6. Yo demuestro.
7. Yo sirvo.
8. Yo niego.
9. Yo cuento.
10. Yo tropiezo.
Explanation:
we must identify the narrator, the time and the number in which each verb is developed, in order to be able to conjugate it correctly and to have concordance with what one wishes to express.
