English verb conjugation
OUGHT TO UNDERMINE

Regular verb: undermine - undermined - undermined

Affirmation

Simple form	V-ing form
I ought to undermine you ought to undermine he ought to undermine we ought to undermine you ought to undermine they ought to undermine	I ought to be undermining you ought to be undermining he ought to be undermining we ought to be undermining you ought to be undermining they ought to be undermining
Perfect	V-ing perfect
I ought to have undermined you ought to have undermined he ought to have undermined we ought to have undermined you ought to have undermined they ought to have undermined	I ought to have been undermining you ought to have been undermining he ought to have been undermining we ought to have been undermining you ought to have been undermining they ought to have been undermining

Negation

Simple form	V-ing form
I ought not to undermine you ought not to undermine he ought not to undermine we ought not to undermine you ought not to undermine they ought not to undermine	I ought not to undermining you ought not to undermining he ought not to undermining we ought not to undermining you ought not to undermining they ought not to undermining
Perfect	V-ing perfect
I ought not to have undermined you ought not to have undermined he ought not to have undermined we ought not to have undermined you ought not to have undermined they ought not to have undermined	I ought not to have been undermining you ought not to have been undermining he ought not to have been undermining we ought not to have been undermining you ought not to have been undermining they ought not to have been undermining

Interrogative form

Simple form	V-ing form
ought to I undermine? ought to you undermine? ought to he undermine? ought to we undermine? ought to you undermine? ought to they undermine?	ought to I be undermining? ought to you be undermining? ought to he be undermining? ought to we be undermining? ought to you be undermining? ought to they be undermining?
Perfect	V-ing perfect
ought to I have undermined? ought to you have undermined? ought to he have undermined? ought to we have undermined? ought to you have undermined? ought to they have undermined?	ought to I have been undermining? ought to you have been undermining? ought to he have been undermining? ought to we have been undermining? ought to you have been undermining? ought to they have been undermining?

Interro-negative form

Simple form	V-ing form
ought I not to undermine? ought you not to undermine? ought he not to undermine? ought we not to undermine? ought you not to undermine? ought they not to undermine?	ought I not to be undermining? ought you not to be undermining? ought he not to be undermining? ought we not to be undermining? ought you not to be undermining? ought they not to be undermining?
Perfect	V-ing perfect
ought I not to have undermined? ought you not to have undermined? ought he not to have undermined? ought we not to have undermined? ought you not to have undermined? ought they not to have undermined?	ought I not to have been undermining? ought you not to have been undermining? ought he not to have been undermining? ought we not to have been undermining? ought you not to have been undermining? ought they not to have been undermining?