English verb conjugation OUGHT TO UNDERTAIN

Regular verb: undertain - undertained - undertained

Affirmation

Simple form

I ought to undertain
you ought to undertain
he ought to undertain
we ought to undertain
you ought to undertain
they ought to undertain

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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