A list of common phrases that need a "de" in the context of using "dont"
parler de
to speak of/about
discuter de
to talk about/discuss
rever de
to dream of/about
entendre parler de
to hear of/about
se servir de
to use
se souvenir de
to remember
se passer de
to do without
sâoccuper de
to take care of
se preoccuper de
to worry about
avoir envie de
to want, desire
avoir besoin de
to need (have need of)
avoir peur de
to be afraid of (think fear = peur)
avoir honte de
to be ashamed of (have shame of)
ĂȘtre satisfait de
to be happy about
ĂȘtre fier de
to be proud of
ĂȘtre amoureurx de
to be in love with
fair la connaissance de
to meet