SingularPlural
I was walkingwe were walking
you were walkingyou were walking
he/she/it was walkingthey were walking

SingularPlural
I was sleepingwe were sleeping
you were sleepingyou were sleeping
he/she/it was sleepingthey were sleeping

SingularPlural
I was beingwe were being
you were beingyou were being
he/she/it was beingthey were being