Write the -ed forms of these verbs.
walk-walked listen
visit __________ open ________
paint _________ clean ________
play __________ cook ________
watch ________ enjoy ________
finish _________ collest _______
show _________ help _________
live __________ invite ________
phone ________ like __________
b)Put the above -ed forms into three columns.
{d} {t} {id}
{ ___________ } { ___________ } { ___________ }
{ ___________ } { ___________ } { ___________ }
{ ___________ } { ___________ } { ___________ }
{ ___________ } { ___________ } { ___________ }
{ ___________ } { ___________ }
{ ___________ } { ___________ }
{ ___________ }
{ ___________ }

/d/   clean -  cleaned, play - played, enjoy - enjoyed, show - showed, live - live,  phone - phoned, open - opened

/t/   cook - cooked, watch - watched, finish - finished, help - helped, like - liked

/id/   paint - painted, collect - collected, invite - invited, visit  - visited