When do you use the Gerund?
a As a subject: Swimming is fun
b After a preposition (about, in, off, at, of, without, by, before):
He left without paying
c After an expression (it's no use, it's no good, can't help, can’t stand)
It's no use arguing
d After a verb: give up, go on, mind, fancy, finish, quit, suggest.
I enjoy going to the seaside