Present
I pierce
you pierce
he pierces
we pierce
you pierce
they pierce

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

Past
I pierced
you pierced
he pierced
we pierced
you pierced
they pierced

Pluperfect
I had pierced
you had pierced
he had pierced
we had pierced
you had pierced
they had pierced

Future
I will pierce
you will pierce
he will pierce
we will pierce
you will pierce
they will pierce

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

Present
I pierce
you pierce
he pierce
we pierce
you pierce
they pierce

Present
I have pierced
you have pierced
he have pierced
we have pierced
you have pierced
they have pierced

Imperfect
I pierced
you pierced
he pierced
we pierced
you pierced
they pierced

Pluperfect
I had pierced
you had pierced
he had pierced
we had pierced
you had pierced
they had pierced

Present
I would pierce
you would pierce
he would pierce
we would pierce
you would pierce
they would pierce

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

you pierce
we Let's pierce
you pierce

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

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

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

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

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

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

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

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