some French verbs are followed by a preposition, à

​or de + infinitive

​Just like in English

Verbs followed by "à" + infinitive

Usually indicate a direction or a goal.

forcer à + Infinitive - to force
inciter à + Infinitive - to incite
penser à + Infinitive - to think
renoncer à + Infinitive - to renounce
hésiter à + Infinitive - to hesitate
réussir à + Infinitive - to succeed
servir à + Infinitive - to serve

aider à + Infinitive - to help
apprendre à + Infinitive - to teach
arriver à + Infinitive - to manage
autoriser à + Infinitive - to authorise
chercher à + Infinitive - to look for
commencer à + Infinitive - to start
encourager à + Infinitive - to encourage
faire attention à + Infinitive - to pay attention to

Verbs Followed by "de" + Infinitive

Usually indicate a cause or a necessity.

interdire de + infinitive: - to forbid
permettre de + infinitive: - to allow
rêver de + infinitive: - to dream
suggérer de + infinitive: - to suggest
oublier de + infinitive: - to forget
refuser de + infinitive: - to refuse
risquer de + infinitive: - to risk

accepter de + infinitive: - to accept
arrêter de + infinitive: - to stop
cesser de + infinitive: - to stop
continuer de + infinitive: - to continue
choisir de + infinitive: - to choose
décider de + infinitive: - to decide
empêcher de + infinitive: - to prevent
essayer de + infinitive: - to try
éviter de + infinitive: - to avoir