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 ought not to underlie you ought not to underlie he ought not to underlie we ought not to underlie you ought not to underlie they ought not to underlie	I ought not to underlying you ought not to underlying he ought not to underlying we ought not to underlying you ought not to underlying they ought not to underlying
Perfect	V-ing perfect
I ought not to have underlain you ought not to have underlain he ought not to have underlain we ought not to have underlain you ought not to have underlain they ought not to have underlain	I ought not to have been underlying you ought not to have been underlying he ought not to have been underlying we ought not to have been underlying you ought not to have been underlying they ought not 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
ought I not to underlie? ought you not to underlie? ought he not to underlie? ought we not to underlie? ought you not to underlie? ought they not to underlie?	ought I not to be underlying? ought you not to be underlying? ought he not to be underlying? ought we not to be underlying? ought you not to be underlying? ought they not to be underlying?
Perfect	V-ing perfect
ought I not to have underlain? ought you not to have underlain? ought he not to have underlain? ought we not to have underlain? ought you not to have underlain? ought they not to have underlain?	ought I not to have been underlying? ought you not to have been underlying? ought he not to have been underlying? ought we not to have been underlying? ought you not to have been underlying? ought they not to have been underlying?