English verb conjugation COULD ESTIVATE

Regular verb: estivate - estivated - estivated

Affirmation

Simple form

I could estivate
you could estivate
he could estivate
we could estivate
you could estivate
they could estivate

V-ing form

I could be estivating
you could be estivating
he could be estivating
we could be estivating
you could be estivating
they could be estivating

Perfect

I could have estivated
you could have estivated
he could have estivated
we could have estivated
you could have estivated
they could have estivated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I estivate?
could you estivate?
could he estivate?
could we estivate?
could you estivate?
could they estivate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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