English verb conjugation
OUGHT TO DOUBT DOUBT DOUBT DOUBT

Regular verb: doubt doubt doubt doubt - doubt doubt doubt doubted - doubt doubt doubt doubted

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I ought to doubt doubt doubt doubt you ought to doubt doubt doubt doubt he ought to doubt doubt doubt doubt we ought to doubt doubt doubt doubt you ought to doubt doubt doubt doubt they ought to doubt doubt doubt doubt	I ought to be doubt doubt doubt doubting you ought to be doubt doubt doubt doubting he ought to be doubt doubt doubt doubting we ought to be doubt doubt doubt doubting you ought to be doubt doubt doubt doubting they ought to be doubt doubt doubt doubting
Perfect	V-ing perfect
I ought to have doubt doubt doubt doubted you ought to have doubt doubt doubt doubted he ought to have doubt doubt doubt doubted we ought to have doubt doubt doubt doubted you ought to have doubt doubt doubt doubted they ought to have doubt doubt doubt doubted	I ought to have been doubt doubt doubt doubting you ought to have been doubt doubt doubt doubting he ought to have been doubt doubt doubt doubting we ought to have been doubt doubt doubt doubting you ought to have been doubt doubt doubt doubting they ought to have been doubt doubt doubt doubting

Negation

Simple form	V-ing form
I oughtn't to doubt doubt doubt doubt you oughtn't to doubt doubt doubt doubt he oughtn't to doubt doubt doubt doubt we oughtn't to doubt doubt doubt doubt you oughtn't to doubt doubt doubt doubt they oughtn't to doubt doubt doubt doubt	I oughtn't to be doubt doubt doubt doubting you oughtn't to be doubt doubt doubt doubting he oughtn't to be doubt doubt doubt doubting we oughtn't to be doubt doubt doubt doubting you oughtn't to be doubt doubt doubt doubting they oughtn't to be doubt doubt doubt doubting
Perfect	V-ing perfect
I oughtn't to have doubt doubt doubt doubted you oughtn't to have doubt doubt doubt doubted he oughtn't to have doubt doubt doubt doubted we oughtn't to have doubt doubt doubt doubted you oughtn't to have doubt doubt doubt doubted they oughtn't to have doubt doubt doubt doubted	I oughtn't to have been doubt doubt doubt doubting you oughtn't to have been doubt doubt doubt doubting he oughtn't to have been doubt doubt doubt doubting we oughtn't to have been doubt doubt doubt doubting you oughtn't to have been doubt doubt doubt doubting they oughtn't to have been doubt doubt doubt doubting

Interrogative form

Simple form	V-ing form
ought to I doubt doubt doubt doubt? ought to you doubt doubt doubt doubt? ought to he doubt doubt doubt doubt? ought to we doubt doubt doubt doubt? ought to you doubt doubt doubt doubt? ought to they doubt doubt doubt doubt?	ought to I be doubt doubt doubt doubting? ought to you be doubt doubt doubt doubting? ought to he be doubt doubt doubt doubting? ought to we be doubt doubt doubt doubting? ought to you be doubt doubt doubt doubting? ought to they be doubt doubt doubt doubting?
Perfect	V-ing perfect
ought to I have doubt doubt doubt doubted? ought to you have doubt doubt doubt doubted? ought to he have doubt doubt doubt doubted? ought to we have doubt doubt doubt doubted? ought to you have doubt doubt doubt doubted? ought to they have doubt doubt doubt doubted?	ought to I have been doubt doubt doubt doubting? ought to you have been doubt doubt doubt doubting? ought to he have been doubt doubt doubt doubting? ought to we have been doubt doubt doubt doubting? ought to you have been doubt doubt doubt doubting? ought to they have been doubt doubt doubt doubting?

Interro-negative form

Simple form	V-ing form
oughtn't I to doubt doubt doubt doubt? oughtn't you to doubt doubt doubt doubt? oughtn't he to doubt doubt doubt doubt? oughtn't we to doubt doubt doubt doubt? oughtn't you to doubt doubt doubt doubt? oughtn't they to doubt doubt doubt doubt?	oughtn't I to be doubt doubt doubt doubting? oughtn't you to be doubt doubt doubt doubting? oughtn't he to be doubt doubt doubt doubting? oughtn't we to be doubt doubt doubt doubting? oughtn't you to be doubt doubt doubt doubting? oughtn't they to be doubt doubt doubt doubting?
Perfect	V-ing perfect
oughtn't I to have doubt doubt doubt doubted? oughtn't you to have doubt doubt doubt doubted? oughtn't he to have doubt doubt doubt doubted? oughtn't we to have doubt doubt doubt doubted? oughtn't you to have doubt doubt doubt doubted? oughtn't they to have doubt doubt doubt doubted?	oughtn't I to have been doubt doubt doubt doubting? oughtn't you to have been doubt doubt doubt doubting? oughtn't he to have been doubt doubt doubt doubting? oughtn't we to have been doubt doubt doubt doubting? oughtn't you to have been doubt doubt doubt doubting? oughtn't they to have been doubt doubt doubt doubting?