There are many adjectives that are followed by prepositions and there's no rule to know which preposition goes with an adjective, therefore, they should be learnt together.

The streets are crowded with people.

He is afraid of snakes.

2. Some of the most common adjectives with prepositions

As we said before, we should learn both the adjective and its corresponding preposition together, so here are some of the most common ones.

Afraid of

Angry with (someone)

Angry about (something)

Good/bad at

Typical of

Interested in

Nice/kind to

Sorry about (something)

Sorry for (someone)

Married to

Proud of/about

Worried about

Full of

Famous for

Crowded with

Tired of

Different from

Crazy about

Nervous about

Excited about

Keen on

When the complement following an adjective is a verb, this is used in the gerund (-ing).

He's interested in dancing.

I'm good at painting.

Remember!

Adjectives with prepositions
Afraid of	Worried about
Angry with/about	Full of
Good/bad at	Famous for
Typical of	Crowded with
Interested in	Tired of
Married to	Different from
Nice / kind to	Crazy about
Sorry about (something)	Nervous about
Sorry for (someone)	Excited about
Proud of/about	Keen on