English verb conjugation COULD UNDERLIE

Irregular verb: underlie - underlay - underlain

Affirmation

Simple form

I could underlie
you could underlie
she could underlie
we could underlie
you could underlie
they could underlie

V-ing form

I could be underlying
you could be underlying
she could be underlying
we could be underlying
you could be underlying
they could be underlying

Perfect

I could have underlain
you could have underlain
she 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
she could have been underlying
we could have been underlying
you could have been underlying
they could have been underlying

Negation

Simple form

I couldn't underlie
you couldn't underlie
she couldn't underlie
we couldn't underlie
you couldn't underlie
they couldn't underlie

V-ing form

I couldn't be underlying
you couldn't be underlying
she couldn't be underlying
we couldn't be underlying
you couldn't be underlying
they couldn't be underlying

Perfect

I couldn't have underlain
you couldn't have underlain
she couldn't have underlain
we couldn't have underlain
you couldn't have underlain
they couldn't have underlain

V-ing perfect

I couldn't have been underlying
you couldn't have been underlying
she couldn't have been underlying
we couldn't have been underlying
you couldn't have been underlying
they couldn't have been underlying

Interrogative form

Simple form

could I underlie?
could you underlie?
could she underlie?
could we underlie?
could you underlie?
could they underlie?

V-ing form

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

Perfect

could I have underlain?
could you have underlain?
could she 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 she have been underlying?
could we have been underlying?
could you have been underlying?
could they have been underlying?

Interro-negative form

Simple form

couldn't I underlie?
couldn't you underlie?
couldn't she underlie?
couldn't we underlie?
couldn't you underlie?
couldn't they underlie?

V-ing form

couldn't I be underlying?
couldn't you be underlying?
couldn't she be underlying?
couldn't we be underlying?
couldn't you be underlying?
couldn't they be underlying?

Perfect

couldn't I have underlain?
couldn't you have underlain?
couldn't she have underlain?
couldn't we have underlain?
couldn't you have underlain?
couldn't they have underlain?

V-ing perfect

couldn't I have been underlying?
couldn't you have been underlying?
couldn't she have been underlying?
couldn't we have been underlying?
couldn't you have been underlying?
couldn't they have been underlying?

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