English verb conjugation COULD FESTOON

Regular verb: festoon - festooned - festooned

Affirmation

Simple form

I could festoon
you could festoon
she could festoon
we could festoon
you could festoon
they could festoon

V-ing form

I could be festooning
you could be festooning
she could be festooning
we could be festooning
you could be festooning
they could be festooning

Perfect

I could have festooned
you could have festooned
she could have festooned
we could have festooned
you could have festooned
they could have festooned

V-ing perfect

I could have been festooning
you could have been festooning
she could have been festooning
we could have been festooning
you could have been festooning
they could have been festooning

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I festoon?
could you festoon?
could she festoon?
could we festoon?
could you festoon?
could they festoon?

V-ing form

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

Perfect

could I have festooned?
could you have festooned?
could she have festooned?
could we have festooned?
could you have festooned?
could they have festooned?

V-ing perfect

could I have been festooning?
could you have been festooning?
could she have been festooning?
could we have been festooning?
could you have been festooning?
could they have been festooning?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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