English verb conjugation
OUGHT TO MUFF

Regular verb: muff - muffed - muffed

Affirmation

Simple form	V-ing form
I ought to muff you ought to muff he ought to muff we ought to muff you ought to muff they ought to muff	I ought to be muffing you ought to be muffing he ought to be muffing we ought to be muffing you ought to be muffing they ought to be muffing
Perfect	V-ing perfect
I ought to have muffed you ought to have muffed he ought to have muffed we ought to have muffed you ought to have muffed they ought to have muffed	I ought to have been muffing you ought to have been muffing he ought to have been muffing we ought to have been muffing you ought to have been muffing they ought to have been muffing

Negation

Simple form	V-ing form
I ought not to muff you ought not to muff he ought not to muff we ought not to muff you ought not to muff they ought not to muff	I ought not to muffing you ought not to muffing he ought not to muffing we ought not to muffing you ought not to muffing they ought not to muffing
Perfect	V-ing perfect
I ought not to have muffed you ought not to have muffed he ought not to have muffed we ought not to have muffed you ought not to have muffed they ought not to have muffed	I ought not to have been muffing you ought not to have been muffing he ought not to have been muffing we ought not to have been muffing you ought not to have been muffing they ought not to have been muffing

Interrogative form

Simple form	V-ing form
ought to I muff? ought to you muff? ought to he muff? ought to we muff? ought to you muff? ought to they muff?	ought to I be muffing? ought to you be muffing? ought to he be muffing? ought to we be muffing? ought to you be muffing? ought to they be muffing?
Perfect	V-ing perfect
ought to I have muffed? ought to you have muffed? ought to he have muffed? ought to we have muffed? ought to you have muffed? ought to they have muffed?	ought to I have been muffing? ought to you have been muffing? ought to he have been muffing? ought to we have been muffing? ought to you have been muffing? ought to they have been muffing?

Interro-negative form

Simple form	V-ing form
ought I not to muff? ought you not to muff? ought he not to muff? ought we not to muff? ought you not to muff? ought they not to muff?	ought I not to be muffing? ought you not to be muffing? ought he not to be muffing? ought we not to be muffing? ought you not to be muffing? ought they not to be muffing?
Perfect	V-ing perfect
ought I not to have muffed? ought you not to have muffed? ought he not to have muffed? ought we not to have muffed? ought you not to have muffed? ought they not to have muffed?	ought I not to have been muffing? ought you not to have been muffing? ought he not to have been muffing? ought we not to have been muffing? ought you not to have been muffing? ought they not to have been muffing?