Present
I postmark
you postmark
he postmarks
we postmark
you postmark
they postmark

Perfect
I have postmarked
you have postmarked
he has postmarked
we have postmarked
you have postmarked
they have postmarked

Past
I postmarked
you postmarked
he postmarked
we postmarked
you postmarked
they postmarked

Pluperfect
I had postmarked
you had postmarked
he had postmarked
we had postmarked
you had postmarked
they had postmarked

Future
I will postmark
you will postmark
he will postmark
we will postmark
you will postmark
they will postmark

Future perfect
I will have postmarked
you will have postmarked
he will have postmarked
we will have postmarked
you will have postmarked
they will have postmarked

Present
I postmark
you postmark
he postmark
we postmark
you postmark
they postmark

Present
I have postmarked
you have postmarked
he have postmarked
we have postmarked
you have postmarked
they have postmarked

Imperfect
I postmarked
you postmarked
he postmarked
we postmarked
you postmarked
they postmarked

Pluperfect
I had postmarked
you had postmarked
he had postmarked
we had postmarked
you had postmarked
they had postmarked

Present
I would postmark
you would postmark
he would postmark
we would postmark
you would postmark
they would postmark

Perfect
I would have postmarked
you would have postmarked
he would have postmarked
we would have postmarked
you would have postmarked
they would have postmarked

you postmark
we Let's postmark
you postmark

Present
I am postmarking
you are postmarking
he is postmarking
we are postmarking
you are postmarking
they are postmarking

Perfect
I have been postmarking
you have been postmarking
he has been postmarking
we have been postmarking
you have been postmarking
they have been postmarking

Past
I was postmarking
you were postmarking
he was postmarking
we were postmarking
you were postmarking
they were postmarking

Pluperfect
I had been postmarking
you had been postmarking
he had been postmarking
we had been postmarking
you had been postmarking
they had been postmarking

Future
I will be postmarking
you will be postmarking
he will be postmarking
we will be postmarking
you will be postmarking
they will be postmarking

Future perfect
I will have been postmarking
you will have been postmarking
he will have been postmarking
we will have been postmarking
you will have been postmarking
they will have been postmarking

Present
I would be postmarking
you would be postmarking
he would be postmarking
we would be postmarking
you would be postmarking
they would be postmarking

Perfect
I would have been postmarking
you would have been postmarking
he would have been postmarking
we would have been postmarking
you would have been postmarking
they would have been postmarking