SingularPlural
I have walkedwe have walked
you have walkedyou have walked
he/she/it has walkedthey have walked

SingularPlural
I have sleptwe have slept
you have sleptyou have slept
he/she/it has sleptthey have slept

SingularPlural
I have beenwe have been
you have beenyou have been
he/she/it has beenthey have been