Chapter 29

Question 1

Verbs which require ”a” before the infinitive object

Answer 1

Aprender a 
Ayudar a 
Comenzar a
Continuar a
Empezar a
Enseñar a
Forzar a (to force) fuerzo
Incitar a (to urge)
Invitar a
Ir a
Obligar a (to obligate)
Persuadir a

Question 2

Verbs which require “en” before the infinitive object

Answer 2

Consentir en (consiento)
Convenir en (to agree) convengo
Insistir en
Tardar en (to delay)
Vacilar en (to hesitate)

Question 3

Verbs which require ”de” before the infinitive object

Answer 3

Acabar de (have just)
Cesar de (to cease)
Dejar de (to stop)
Terminar de (to finish)
Tratar de (to try)

Question 4

Verbs which require que before the infinitive object

Answer 4

Hay que (one must)
Tener que (have to)