Present
I decuple
you decuple
he decuples
we decuple
you decuple
they decuple

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

Past
I decupled
you decupled
he decupled
we decupled
you decupled
they decupled

Pluperfect
I had decupled
you had decupled
he had decupled
we had decupled
you had decupled
they had decupled

Future
I will decuple
you will decuple
he will decuple
we will decuple
you will decuple
they will decuple

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

Present
I decuple
you decuple
he decuple
we decuple
you decuple
they decuple

Present
I have decupled
you have decupled
he have decupled
we have decupled
you have decupled
they have decupled

Imperfect
I decupled
you decupled
he decupled
we decupled
you decupled
they decupled

Pluperfect
I had decupled
you had decupled
he had decupled
we had decupled
you had decupled
they had decupled

Present
I would decuple
you would decuple
he would decuple
we would decuple
you would decuple
they would decuple

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

you decuple
we Let's decuple
you decuple

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

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

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

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

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

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

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

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