write -> writing
have -> having
take -> taking
make -> making
trace -> tracing
watch -> watching
sleep -> sleeping
read -> reading
play -> playing
think -> thinking
swim -> swimming
run -> running
sit -> sitting
put -> putting
hit -> hitting
write > writing
have > having
take > taking
make > making
trace > tracing
watch > watching
sleep > sleeping
read > reading
play > playing
think > thinking
swim > swimming
run > running
sit > sitting
put > putting
hit > hitting
write => writing
have => having
take => taking
make => making
trace => tracing
watch => watching
sleep => sleeping
read => reading
play => playing
think => thinking
swim => swimmng
run => running
sit => sitting
put => putting
hit => hitting
