dive-diving
begin-beginning
destory-destorying
fish-fishing
lie-lying
obey-obeying
play-playing
communicate-communicating
see-seeing
sunbathe-sunbathing
shop-shopping
eat-eating
have-having
cut-cutting
practise-practising
produce-producing
attack-attacking
windsurf-windsurfing
do-doing
fight-fighting
die-dying