English verb conjugation OUGHT TO UNDERUSE

Regular verb: underuse - underused - underused

Affirmation

Simple form

I ought to underuse
you ought to underuse
he ought to underuse
we ought to underuse
you ought to underuse
they ought to underuse

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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