English grammar exercise on-line for elementary level students for the present continuous. Write the -ing form of the verbs.
do doing
sing _______________
read _______________
use _______________ |
stop _______________
listen _______________
smile _______________
smoke _______________ |
drink _______________
run _______________
swim _______________
come _______________ |
think _______________
drive _______________
wear _______________
sit _______________ |