ADJECTIVES END IN EITHER -ed or -ing:

ADJECTIVES END IN EITHER  -ed or -ing:

worried/worrying, interested/interesting, excited/exciting

'-ed' adjectives

Adjectives that end in -ed are used to describe how people feel:
'He was surprised to find that he had been upgraded to first class.'
'I was confused by the findings of the report.'
'She felt tired after working hard all day.'

 '-ing' adjectives

Adjectives that end in -ing are used to describe things and situations. Compare these example sentences to the ones above:
'Being upgraded to first class is surprising.'
The findings of this report are confusing.'
'Working hard all day is tiring.'

 example table:

-ed and -ing adjectives tables
Feel '-ed'	describe '-ing'
annoyed	annoying
bored	boring
confused	confusing
depressed	depressing
excited	exciting
frustrated	frustrating
frightened	frightening
satisfied	satisfying
shocked	shocking