English verb conjugation OUGHT TO UNDERTAKE

Irregular verb: undertake - undertook - undertaken

Affirmation

Simple form

I ought to undertake
you ought to undertake
he ought to undertake
we ought to undertake
you ought to undertake
they ought to undertake

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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