English verb conjugation
OUGHT TO CAVERN

Regular verb: cavern - caverned - caverned

Affirmation

Simple form	V-ing form
I ought to cavern you ought to cavern she ought to cavern we ought to cavern you ought to cavern they ought to cavern	I ought to be caverning you ought to be caverning she ought to be caverning we ought to be caverning you ought to be caverning they ought to be caverning
Perfect	V-ing perfect
I ought to have caverned you ought to have caverned she ought to have caverned we ought to have caverned you ought to have caverned they ought to have caverned	I ought to have been caverning you ought to have been caverning she ought to have been caverning we ought to have been caverning you ought to have been caverning they ought to have been caverning

Negation

Simple form	V-ing form
I ought not to cavern you ought not to cavern she ought not to cavern we ought not to cavern you ought not to cavern they ought not to cavern	I ought not to caverning you ought not to caverning she ought not to caverning we ought not to caverning you ought not to caverning they ought not to caverning
Perfect	V-ing perfect
I ought not to have caverned you ought not to have caverned she ought not to have caverned we ought not to have caverned you ought not to have caverned they ought not to have caverned	I ought not to have been caverning you ought not to have been caverning she ought not to have been caverning we ought not to have been caverning you ought not to have been caverning they ought not to have been caverning

Interrogative form

Simple form	V-ing form
ought to I cavern? ought to you cavern? ought to she cavern? ought to we cavern? ought to you cavern? ought to they cavern?	ought to I be caverning? ought to you be caverning? ought to she be caverning? ought to we be caverning? ought to you be caverning? ought to they be caverning?
Perfect	V-ing perfect
ought to I have caverned? ought to you have caverned? ought to she have caverned? ought to we have caverned? ought to you have caverned? ought to they have caverned?	ought to I have been caverning? ought to you have been caverning? ought to she have been caverning? ought to we have been caverning? ought to you have been caverning? ought to they have been caverning?

Interro-negative form

Simple form	V-ing form
ought I not to cavern? ought you not to cavern? ought she not to cavern? ought we not to cavern? ought you not to cavern? ought they not to cavern?	ought I not to be caverning? ought you not to be caverning? ought she not to be caverning? ought we not to be caverning? ought you not to be caverning? ought they not to be caverning?
Perfect	V-ing perfect
ought I not to have caverned? ought you not to have caverned? ought she not to have caverned? ought we not to have caverned? ought you not to have caverned? ought they not to have caverned?	ought I not to have been caverning? ought you not to have been caverning? ought she not to have been caverning? ought we not to have been caverning? ought you not to have been caverning? ought they not to have been caverning?