What You'll See Here

She is famous for having robbed a museum.
He is afraid of swimming with sharks.
They are thinking about buying a horse.
We are tired of eating carrots.
You are bad at making smoothies.

Definition

Gerunds can be used after prepositions. These prepositions are often preceded by a verb or an adjective.

Verb + Preposition
complain about	He complains about working in these bad conditions.
concentrate on	You should concentrate on having good grades.
depend on	His livelihood depends on receiving this money.
disapprove of	I disapprove of dancing in the rain.
dream about	She dreams about writing a book.
feel like	We feel like shopping.
forget about	They need to forget about going to New York.
talk about	We were talking about visiting your mom.
think about	Will you think about training with me?
succeed in	She was the first to succeed in crossing the Atlantic.

Adjective + Preposition
afraid of	He is afraid of telling her the truth.
excited about	We are excited about seeing the show.
happy about	I am happy about being part of the team.
interested in	She is interested in helping others.
tired of	They are tired of listening to that kind of music.
worried about	You are worried about walking alone.
good at	He is good at making people laugh.
bad at	We are bad at drawing.
famous for	She is famous for inventing a new machine.

Important!

NEVER use an infinitive verb after a preposition.

Ex. She was famous for to have having invented chocolate cake.