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 ought not to undertake
you ought not to undertake
he ought not to undertake
we ought not to undertake
you ought not to undertake
they ought not to undertake

V-ing form

I ought not to undertaking
you ought not to undertaking
he ought not to undertaking
we ought not to undertaking
you ought not to undertaking
they ought not to undertaking

Perfect

I ought not to have undertaken
you ought not to have undertaken
he ought not to have undertaken
we ought not to have undertaken
you ought not to have undertaken
they ought not to have undertaken

V-ing perfect

I ought not to have been undertaking
you ought not to have been undertaking
he ought not to have been undertaking
we ought not to have been undertaking
you ought not to have been undertaking
they ought not 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

ought I not to undertake?
ought you not to undertake?
ought he not to undertake?
ought we not to undertake?
ought you not to undertake?
ought they not to undertake?

V-ing form

ought I not to be undertaking?
ought you not to be undertaking?
ought he not to be undertaking?
ought we not to be undertaking?
ought you not to be undertaking?
ought they not to be undertaking?

Perfect

ought I not to have undertaken?
ought you not to have undertaken?
ought he not to have undertaken?
ought we not to have undertaken?
ought you not to have undertaken?
ought they not to have undertaken?

V-ing perfect

ought I not to have been undertaking?
ought you not to have been undertaking?
ought he not to have been undertaking?
ought we not to have been undertaking?
ought you not to have been undertaking?
ought they not to have been undertaking?

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