learn-learning
read-reading
carry-carrying
listen-listening
come-coming
write-writing
swim-swimming
sit-sitting
catch-catching
clean-cleaning
wait-waiting
worry-worrying
visit-visiting
make-making
give-giving
get-getting
run-running
think-thinking
throw-throwing
tell-tellling
say-saying
water-watering
take-taking
ride-riding
begin-beginning
put-putting
drink-drinking
draw-drawing
eat-eating
play-playing
open-opening
like-liking
have-having
shop-shopping