English verb conjugation
OUGHT TO TREPHINE

Regular verb: trephine - trephined - trephined

Affirmation

Simple form	V-ing form
I ought to trephine you ought to trephine he ought to trephine we ought to trephine you ought to trephine they ought to trephine	I ought to be trephining you ought to be trephining he ought to be trephining we ought to be trephining you ought to be trephining they ought to be trephining
Perfect	V-ing perfect
I ought to have trephined you ought to have trephined he ought to have trephined we ought to have trephined you ought to have trephined they ought to have trephined	I ought to have been trephining you ought to have been trephining he ought to have been trephining we ought to have been trephining you ought to have been trephining they ought to have been trephining

Negation

Simple form	V-ing form
I ought not to trephine you ought not to trephine he ought not to trephine we ought not to trephine you ought not to trephine they ought not to trephine	I ought not to trephining you ought not to trephining he ought not to trephining we ought not to trephining you ought not to trephining they ought not to trephining
Perfect	V-ing perfect
I ought not to have trephined you ought not to have trephined he ought not to have trephined we ought not to have trephined you ought not to have trephined they ought not to have trephined	I ought not to have been trephining you ought not to have been trephining he ought not to have been trephining we ought not to have been trephining you ought not to have been trephining they ought not to have been trephining

Interrogative form

Simple form	V-ing form
ought to I trephine? ought to you trephine? ought to he trephine? ought to we trephine? ought to you trephine? ought to they trephine?	ought to I be trephining? ought to you be trephining? ought to he be trephining? ought to we be trephining? ought to you be trephining? ought to they be trephining?
Perfect	V-ing perfect
ought to I have trephined? ought to you have trephined? ought to he have trephined? ought to we have trephined? ought to you have trephined? ought to they have trephined?	ought to I have been trephining? ought to you have been trephining? ought to he have been trephining? ought to we have been trephining? ought to you have been trephining? ought to they have been trephining?

Interro-negative form

Simple form	V-ing form
ought I not to trephine? ought you not to trephine? ought he not to trephine? ought we not to trephine? ought you not to trephine? ought they not to trephine?	ought I not to be trephining? ought you not to be trephining? ought he not to be trephining? ought we not to be trephining? ought you not to be trephining? ought they not to be trephining?
Perfect	V-ing perfect
ought I not to have trephined? ought you not to have trephined? ought he not to have trephined? ought we not to have trephined? ought you not to have trephined? ought they not to have trephined?	ought I not to have been trephining? ought you not to have been trephining? ought he not to have been trephining? ought we not to have been trephining? ought you not to have been trephining? ought they not to have been trephining?