Answer:
1. Revise, cambie
2. Póngale, le ponga
3. Llámelo, dígale
Explanation:
The imperative mode is used to give orders, requests or wishes. The imperative has its own forms only in the second person of the plural and the singular (tu, vosotros) in the rest of the people we use the subjunctive mode.
i believe it should be "add the new ending to the infinitive" and "don't drop the -ar, -er, and -ir"
Fue construida durante un periodo de más de 150 años
