Present
I calculate
you calculate
he/she/it calculates
we calculate
you calculate
they calculate

Present continuous
I am calculating
you are calculating
he/she/it is calculating
we are calculating
you are calculating
they are calculating

Preterit
I calculated
you calculated
he/she/it calculated
we calculated
you calculated
they calculated

Preterit continuous
I was calculating
you were calculating
he/she/it was calculating
we were calculating
you were calculating
they were calculating

Present perfect
I have calculated
you have calculated
he/she/it has calculated
we have calculated
you have calculated
they have calculated

Present perfect continuous
I have been calculating
you have been calculating
he/she/it has been calculating
we have been calculating
you have been calculating
they have been calculating

Pluperfect
I had calculated
you had calculated
he/she/it had calculated
we had calculated
you had calculated
they had calculated

Pluperfect continuous
I had been calculating
you had been calculating
he/she/it had been calculating
we had been calculating
you had been calculating
they had been calculating

Future
I will calculate
you will calculate
he/she/it will calculate
we will calculate
you will calculate
they will calculate

Future continuous
I will be calculating
you will be calculating
he/she/it will be calculating
we will be calculating
you will be calculating
they will be calculating

Future perfect
I will have calculated
you will have calculated
he/she/it will have calculated
we will have calculated
you will have calculated
they will have calculated

Future perfect continuous
I will have been calculating
you will have been calculating
he/she/it will have been calculating
we will have been calculating
you will have been calculating
they will have been calculating
