English verb conjugation COULD UNDERLIE

Irregular verb: underlie - underlay - underlain

Affirmation

Simple form

I could underlie
you could underlie
he could underlie
we could underlie
you could underlie
they could underlie

V-ing form

I could be underlying
you could be underlying
he could be underlying
we could be underlying
you could be underlying
they could be underlying

Perfect

I could have underlain
you could have underlain
he could have underlain
we could have underlain
you could have underlain
they could have underlain

V-ing perfect

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

Negation

Simple form

I could not underlie
you could not underlie
he could not underlie
we could not underlie
you could not underlie
they could not underlie

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I underlie?
could you underlie?
could he underlie?
could we underlie?
could you underlie?
could they underlie?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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