So far, which verb has been our helping verb each time

So, after we conjugate our helping verb, (avoir), we need a PP. Does PP stand for past participle?

To make a PP out of regular ER verbs, you remove the ER and replace it with what?

To make a PP out of regular IR verbs, you remove the IR and replace it with what?

To make a PP out of regular RE verbs, you remove the RE and replace it with what?

what is the PP for manger?

I payed

you kept

She leaped

we finished

Y'all heard

They returned