A number of French verbs require the preposition de in front of a noun or infinitive.

Verb + de + noun

s’agir de to be a question of
s’apercevoir de to notice
*approcher de* to approach
*arriver de (Paris, Canada)* to arrive from (Paris, Canada)
*avoir besoin de* to need
avoir envie de to want
avoir l’habitude de to be used to, in the habit of
avoir peur de to be afraid of
*changer de (train)* to change (trains)
*convaincre de* to convince of
*couvrir de* to cover with
*déborder de* (informal) to be bursting with
*démunir (qqun) de* to deprive (s.o.) of
*dépendre de* to depend on
*douter de* to doubt
*écrire de (la main gauche)* to write with (the left hand)
*s’emparer de* to grab
s’étonner de to be amazed by
*féliciter de* to congratulate
*hériter de* to inherit
*jouer de* to play (an instrument)
*jouir de* to enjoy
*manquer de* to lack
*se méfier de* to distrust, beware of
*se moquer de* to make fun of
s’occuper de to be busy with
*partir de* to leave
se passer de to do without
*penser de* to have an opinion about
se plaindre de to complain about
*profiter de* to make the most of
*punir de* to punish for
*raffoler de* to love, be crazy about
*recompenser de* to reward for
*remercier de* to thank for
se rendre compte de to realize
*rêver de* to dream of, desire
*rire de* to laugh at
*servir de* to put to use as
se servir de to use
*se soucier de* to care about
*se souvenir de* to remember
*tenir de* to take after, resemble
se tromper de to mistake
*vivre de* to live on.
*accepter de* to accept, agree to
*accuser (quelqu’un) de* to accuse (someone) of
*achever de* to finish ___-ing
s’agir de to be a question of ___-ing
(s’)arrêter de to stop ___-ing
*attendre de* to wait to
*avertir (qqun) de (ne pas)* to warn (someone) (not) to
*avoir peur de* to be afraid of ___-ing
*blâmer (qqun) de* to blame (someone) for ___-ing
*cesser de* to stop, cease ___-ing
*choisir de* to choose to
*commander (à qqun) de* to order (someone) to
*commencer de** to start to / ___-ing
*conseiller de* to advise to
se contenter de to be happy ___-ing
*continuer de** to continue to / ___-ing
*convenir de* to agree to
*craindre de* to fear ___-ing
*décider de* to decide to
*défendre (à quelqu’un) de* to forbid (someone) to do s.t.
se délecter de to delight in ___-ing
*demander (à quelqu’un) de* to ask (someone) to do something
*se dépêcher de* to hurry to
*déranger quelqu’un de* to bother someone to
*dire (à quelqu’un) de* to tell (someone) to do something
*s’efforcer de* to endeavor, try one’s best to
*empêcher de* to prevent, keep from ___-ing
*s’empresser de* to hurry to
*ennuyer quelqu’un de* to bother/upset someone to
*essayer de* to try to
être (adjective / past participlede to be (adj / ___ed) to
s’excuser de to apologize for ___-ing
*féliciter de* to congratulate for ___-ing
*finir de* to finish ___-ing
*se hâter de* to hurry to
*manquer de* to neglect, fail to
*mériter de* to deserve to
*offrir de* to offer to
*oublier de* to forget to
(se) permettre de to allow (oneself) to
*persuader de* to persuade to
*prendre garde de* to be careful not to
prendre le parti de to decide to
se presser de to hurry to
*prier de* to beg to
*promettre de* to promise to
*proposer de* to suggest ___-ing
*refuser de* to refuse to
*regretter de* to regret ___-ing
*remercier de* to thank for ___-ing

Note that this construction may be equivalent to an English infinitive (e.g., to do) or a gerund (doing) - infimitive is used