Theorie:

Some adjectives go together with certain prepositions.
There is no pattern – you just need to learn them.
Here are some examples but remember that there are many other adjective + preposition combinations.
 
Adjective
Preposition
accused 
ashamed 
aware 
afraid 
capable 
fond 
of
addicted 
allergic 
faithful 
grateful
kind
eager
to
bad 
good
skillful
slow
at
based 
keen
on
bored 
connected 
disappointed 
familiar
fed up
friendly
with
certain 
crazy 
curious 
doubtful 
enthusiastic
happy
about
derived
different 
safe
from
famous
late
for
experienced 
interested
successful
in