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 couldn't insulate
you couldn't insulate
he couldn't insulate
we couldn't insulate
you couldn't insulate
they couldn't insulate

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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