English verb conjugation COULD INSULATE

Regular verb: insulate - insulated - insulated

Affirmation

Simple form

I could insulate
you could insulate
he could insulate
we could insulate
you could insulate
they could insulate

V-ing form

I could be insulating
you could be insulating
he could be insulating
we could be insulating
you could be insulating
they could be insulating

Perfect

I could have insulated
you could have insulated
he could have insulated
we could have insulated
you could have insulated
they could have insulated

V-ing perfect

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

Negation

Simple form

I could not insulate
you could not insulate
he could not insulate
we could not insulate
you could not insulate
they could not insulate

V-ing form

I could not be insulating
you could not be insulating
he could not be insulating
we could not be insulating
you could not be insulating
they could not be insulating

Perfect

I could not have insulated
you could not have insulated
he could not have insulated
we could not have insulated
you could not have insulated
they could not have insulated

V-ing perfect

I could not have been insulating
you could not have been insulating
he could not have been insulating
we could not have been insulating
you could not have been insulating
they could not have been insulating

Interrogative form

Simple form

could I insulate?
could you insulate?
could he insulate?
could we insulate?
could you insulate?
could they insulate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not insulate?
could you not insulate?
could he not insulate?
could we not insulate?
could you not insulate?
could they not insulate?

V-ing form

could I not be insulating?
could you not be insulating?
could he not be insulating?
could we not be insulating?
could you not be insulating?
could they not be insulating?

Perfect

could I not have insulated?
could you not have insulated?
could he not have insulated?
could we not have insulated?
could you not have insulated?
could they not have insulated?

V-ing perfect

could I not have been insulating?
could you not have been insulating?
could he not have been insulating?
could we not have been insulating?
could you not have been insulating?
could they not have been insulating?

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