Final answer:
The phrase 'todos los lunes' is NOT an imperfect trigger in Spanish.
Step-by-step explanation:
The phrase todos los lunes is NOT an imperfect trigger. The imperfect tense in Spanish is used to express ongoing or repeated actions in the past. Imperfect triggers are words or phrases that indicate a repeated or habitual action in the past. Examples of imperfect triggers include hace dos dias, cada día, and todos los días.
Learn more about Imperfect triggers in Spanish