Gerund

We use the Gerund after prepositions.
adjective + preposition
We use the Gerund after the following phrases:
afraid of - They are afraid of losing the match.
angry about/at - Pat is angry about walking in the rain.
bad atgood at- John is good at working in the garden.
clever at- He is clever at skateboarding.
crazy about- The girl is crazy about playing tennis.
disappointed about/at- He is disappointed about seeing such a bad report.
excited about- We are excited about making our own film.
famous for- Sandy is famous for singing songs.
fed up with- I'm fed up with being treated as a child.
fond of- Hannah is fond of going to parties.
glad about- She is glad about getting married again.
happy about/at -The children are not happy about seeing a doctor.
interested in- Are you interested in writing poems?
keen on- Joe is keen on drawing.
proud of- She is proud of riding a snowboard.
sick of- We're sick of sitting around like this.
sorry about/for- He's sorry for eating in the lesson.
tired of -I'm tired of waiting for you.
used to -She is used to smoking.
worried about- I'm worried about making mistakes.