imperfect

perfect

I was eating pizza

I ate pizza

I lived

I used to live

I live

I was playing

I used to play

I played

I play

I was watching

I used to watch

I watched

I watch

they were

they used to be

they had been

they are

we were listening

we used to listen

we listened

we listen

she was winning

she used to win

she won

she wins

I was revising

I used to revise

I revised

I revise

you all were studying

you all used to study

you all studied

you all study

I was finishing

I used to finish

I finished

I finish

she was beginning

she used to begin

she began

she begins

we were wanting

we used to want

we wanted

we want

you were singing

you used to sing

you sang

you sing

I was singing

I used to sing

I sang

I sing

she was going

she used to go

she went

she goes

she was going

she used to go

she went

she goes

he was playing

he used to play

he played

he plays

they were doing

they used to do

they did

they do

you were eating

you used to eat

you ate

you eat