English verb conjugation
OUGHT TO PERCUSS

Regular verb: percuss - percussed - percussed

Affirmation

Simple form	V-ing form
I ought to percuss you ought to percuss she ought to percuss we ought to percuss you ought to percuss they ought to percuss	I ought to be percussing you ought to be percussing she ought to be percussing we ought to be percussing you ought to be percussing they ought to be percussing
Perfect	V-ing perfect
I ought to have percussed you ought to have percussed she ought to have percussed we ought to have percussed you ought to have percussed they ought to have percussed	I ought to have been percussing you ought to have been percussing she ought to have been percussing we ought to have been percussing you ought to have been percussing they ought to have been percussing

Negation

Simple form	V-ing form
I ought not to percuss you ought not to percuss she ought not to percuss we ought not to percuss you ought not to percuss they ought not to percuss	I ought not to percussing you ought not to percussing she ought not to percussing we ought not to percussing you ought not to percussing they ought not to percussing
Perfect	V-ing perfect
I ought not to have percussed you ought not to have percussed she ought not to have percussed we ought not to have percussed you ought not to have percussed they ought not to have percussed	I ought not to have been percussing you ought not to have been percussing she ought not to have been percussing we ought not to have been percussing you ought not to have been percussing they ought not to have been percussing

Interrogative form

Simple form	V-ing form
ought to I percuss? ought to you percuss? ought to she percuss? ought to we percuss? ought to you percuss? ought to they percuss?	ought to I be percussing? ought to you be percussing? ought to she be percussing? ought to we be percussing? ought to you be percussing? ought to they be percussing?
Perfect	V-ing perfect
ought to I have percussed? ought to you have percussed? ought to she have percussed? ought to we have percussed? ought to you have percussed? ought to they have percussed?	ought to I have been percussing? ought to you have been percussing? ought to she have been percussing? ought to we have been percussing? ought to you have been percussing? ought to they have been percussing?

Interro-negative form

Simple form	V-ing form
ought I not to percuss? ought you not to percuss? ought she not to percuss? ought we not to percuss? ought you not to percuss? ought they not to percuss?	ought I not to be percussing? ought you not to be percussing? ought she not to be percussing? ought we not to be percussing? ought you not to be percussing? ought they not to be percussing?
Perfect	V-ing perfect
ought I not to have percussed? ought you not to have percussed? ought she not to have percussed? ought we not to have percussed? ought you not to have percussed? ought they not to have percussed?	ought I not to have been percussing? ought you not to have been percussing? ought she not to have been percussing? ought we not to have been percussing? ought you not to have been percussing? ought they not to have been percussing?