Change present verb to present progressive
think
thinking
Beginning
begin
go
going
drive
driving
write
writing
biting
bite
do
doing
call
calling
drive
driving
coming
He is coming into the class.
come
hike
hiking
wash
washing
watch
watching
flying
She is flying to Brazil.
fly
think
thinking
cook
cooking
arrive
arriving
ringing
He is ringing a bell.
ring
fly
flying
walk
walking