While specific answers vary by edition, the logic remains the same. If you are stuck on a specific question, try to identify the (who is doing the action?) and the Timeframe (when is it happening?). Once you have those two pieces, the conjugation becomes a simple math problem.
Mastering daily routines and the syntax of reflexive pronouns. Breakdown of the "Practice It" Actividades Actividad 1: Identification and Conjugation
If there are two verbs (like querer comprar ), you have two options for placement: Las quiero comprar OR Quiero comprarlas . Actividad 3: Real-World Application
Look for "trigger words." If the sentence contains ayer (yesterday), you are likely using the Preterite. If it says siempre (always), look toward the Imperfect or Present tense.