English verb conjugation COULD TABULATE

Regular verb: tabulate - tabulated - tabulated

Affirmation

Simple form

I could tabulate
you could tabulate
he could tabulate
we could tabulate
you could tabulate
they could tabulate

V-ing form

I could be tabulating
you could be tabulating
he could be tabulating
we could be tabulating
you could be tabulating
they could be tabulating

Perfect

I could have tabulated
you could have tabulated
he could have tabulated
we could have tabulated
you could have tabulated
they could have tabulated

V-ing perfect

I could have been tabulating
you could have been tabulating
he could have been tabulating
we could have been tabulating
you could have been tabulating
they could have been tabulating

Negation

Simple form

I couldn't tabulate
you couldn't tabulate
he couldn't tabulate
we couldn't tabulate
you couldn't tabulate
they couldn't tabulate

V-ing form

I couldn't be tabulating
you couldn't be tabulating
he couldn't be tabulating
we couldn't be tabulating
you couldn't be tabulating
they couldn't be tabulating

Perfect

I couldn't have tabulated
you couldn't have tabulated
he couldn't have tabulated
we couldn't have tabulated
you couldn't have tabulated
they couldn't have tabulated

V-ing perfect

I couldn't have been tabulating
you couldn't have been tabulating
he couldn't have been tabulating
we couldn't have been tabulating
you couldn't have been tabulating
they couldn't have been tabulating

Interrogative form

Simple form

could I tabulate?
could you tabulate?
could he tabulate?
could we tabulate?
could you tabulate?
could they tabulate?

V-ing form

could I be tabulating?
could you be tabulating?
could he be tabulating?
could we be tabulating?
could you be tabulating?
could they be tabulating?

Perfect

could I have tabulated?
could you have tabulated?
could he have tabulated?
could we have tabulated?
could you have tabulated?
could they have tabulated?

V-ing perfect

could I have been tabulating?
could you have been tabulating?
could he have been tabulating?
could we have been tabulating?
could you have been tabulating?
could they have been tabulating?

Interro-negative form

Simple form

couldn't I tabulate?
couldn't you tabulate?
couldn't he tabulate?
couldn't we tabulate?
couldn't you tabulate?
couldn't they tabulate?

V-ing form

couldn't I be tabulating?
couldn't you be tabulating?
couldn't he be tabulating?
couldn't we be tabulating?
couldn't you be tabulating?
couldn't they be tabulating?

Perfect

couldn't I have tabulated?
couldn't you have tabulated?
couldn't he have tabulated?
couldn't we have tabulated?
couldn't you have tabulated?
couldn't they have tabulated?

V-ing perfect

couldn't I have been tabulating?
couldn't you have been tabulating?
couldn't he have been tabulating?
couldn't we have been tabulating?
couldn't you have been tabulating?
couldn't they have been tabulating?

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