English verb conjugation
OUGHT TO UNDERLIE

Irregular verb: underlie - underlay - underlain

Affirmation

Simple form	V-ing form
I ought to underlie you ought to underlie he ought to underlie we ought to underlie you ought to underlie they ought to underlie	I ought to be underlying you ought to be underlying he ought to be underlying we ought to be underlying you ought to be underlying they ought to be underlying
Perfect	V-ing perfect
I ought to have underlain you ought to have underlain he ought to have underlain we ought to have underlain you ought to have underlain they ought to have underlain	I ought to have been underlying you ought to have been underlying he ought to have been underlying we ought to have been underlying you ought to have been underlying they ought to have been underlying

Negation

Simple form	V-ing form
I oughtn't to underlie you oughtn't to underlie he oughtn't to underlie we oughtn't to underlie you oughtn't to underlie they oughtn't to underlie	I oughtn't to be underlying you oughtn't to be underlying he oughtn't to be underlying we oughtn't to be underlying you oughtn't to be underlying they oughtn't to be underlying
Perfect	V-ing perfect
I oughtn't to have underlain you oughtn't to have underlain he oughtn't to have underlain we oughtn't to have underlain you oughtn't to have underlain they oughtn't to have underlain	I oughtn't to have been underlying you oughtn't to have been underlying he oughtn't to have been underlying we oughtn't to have been underlying you oughtn't to have been underlying they oughtn't to have been underlying

Interrogative form

Simple form	V-ing form
ought to I underlie? ought to you underlie? ought to he underlie? ought to we underlie? ought to you underlie? ought to they underlie?	ought to I be underlying? ought to you be underlying? ought to he be underlying? ought to we be underlying? ought to you be underlying? ought to they be underlying?
Perfect	V-ing perfect
ought to I have underlain? ought to you have underlain? ought to he have underlain? ought to we have underlain? ought to you have underlain? ought to they have underlain?	ought to I have been underlying? ought to you have been underlying? ought to he have been underlying? ought to we have been underlying? ought to you have been underlying? ought to they have been underlying?

Interro-negative form

Simple form	V-ing form
oughtn't I to underlie? oughtn't you to underlie? oughtn't he to underlie? oughtn't we to underlie? oughtn't you to underlie? oughtn't they to underlie?	oughtn't I to be underlying? oughtn't you to be underlying? oughtn't he to be underlying? oughtn't we to be underlying? oughtn't you to be underlying? oughtn't they to be underlying?
Perfect	V-ing perfect
oughtn't I to have underlain? oughtn't you to have underlain? oughtn't he to have underlain? oughtn't we to have underlain? oughtn't you to have underlain? oughtn't they to have underlain?	oughtn't I to have been underlying? oughtn't you to have been underlying? oughtn't he to have been underlying? oughtn't we to have been underlying? oughtn't you to have been underlying? oughtn't they to have been underlying?