English verb conjugation OUGHT TO CURTAIN

Regular verb: curtain - curtained - curtained

Affirmation

Simple form

I ought to curtain
you ought to curtain
he ought to curtain
we ought to curtain
you ought to curtain
they ought to curtain

V-ing form

I ought to be curtaining
you ought to be curtaining
he ought to be curtaining
we ought to be curtaining
you ought to be curtaining
they ought to be curtaining

Perfect

I ought to have curtained
you ought to have curtained
he ought to have curtained
we ought to have curtained
you ought to have curtained
they ought to have curtained

V-ing perfect

I ought to have been curtaining
you ought to have been curtaining
he ought to have been curtaining
we ought to have been curtaining
you ought to have been curtaining
they ought to have been curtaining

Negation

Simple form

I oughtn't to curtain
you oughtn't to curtain
he oughtn't to curtain
we oughtn't to curtain
you oughtn't to curtain
they oughtn't to curtain

V-ing form

I oughtn't to be curtaining
you oughtn't to be curtaining
he oughtn't to be curtaining
we oughtn't to be curtaining
you oughtn't to be curtaining
they oughtn't to be curtaining

Perfect

I oughtn't to have curtained
you oughtn't to have curtained
he oughtn't to have curtained
we oughtn't to have curtained
you oughtn't to have curtained
they oughtn't to have curtained

V-ing perfect

I oughtn't to have been curtaining
you oughtn't to have been curtaining
he oughtn't to have been curtaining
we oughtn't to have been curtaining
you oughtn't to have been curtaining
they oughtn't to have been curtaining

Interrogative form

Simple form

ought to I curtain?
ought to you curtain?
ought to he curtain?
ought to we curtain?
ought to you curtain?
ought to they curtain?

V-ing form

ought to I be curtaining?
ought to you be curtaining?
ought to he be curtaining?
ought to we be curtaining?
ought to you be curtaining?
ought to they be curtaining?

Perfect

ought to I have curtained?
ought to you have curtained?
ought to he have curtained?
ought to we have curtained?
ought to you have curtained?
ought to they have curtained?

V-ing perfect

ought to I have been curtaining?
ought to you have been curtaining?
ought to he have been curtaining?
ought to we have been curtaining?
ought to you have been curtaining?
ought to they have been curtaining?

Interro-negative form

Simple form

oughtn't I to curtain?
oughtn't you to curtain?
oughtn't he to curtain?
oughtn't we to curtain?
oughtn't you to curtain?
oughtn't they to curtain?

V-ing form

oughtn't I to be curtaining?
oughtn't you to be curtaining?
oughtn't he to be curtaining?
oughtn't we to be curtaining?
oughtn't you to be curtaining?
oughtn't they to be curtaining?

Perfect

oughtn't I to have curtained?
oughtn't you to have curtained?
oughtn't he to have curtained?
oughtn't we to have curtained?
oughtn't you to have curtained?
oughtn't they to have curtained?

V-ing perfect

oughtn't I to have been curtaining?
oughtn't you to have been curtaining?
oughtn't he to have been curtaining?
oughtn't we to have been curtaining?
oughtn't you to have been curtaining?
oughtn't they to have been curtaining?

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