English verb conjugation COULD POSTULATE

Regular verb: postulate - postulated - postulated

Affirmation

Simple form

I could postulate
you could postulate
he could postulate
we could postulate
you could postulate
they could postulate

V-ing form

I could be postulating
you could be postulating
he could be postulating
we could be postulating
you could be postulating
they could be postulating

Perfect

I could have postulated
you could have postulated
he could have postulated
we could have postulated
you could have postulated
they could have postulated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I postulate?
could you postulate?
could he postulate?
could we postulate?
could you postulate?
could they postulate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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