English verb conjugation
OUGHT TO DESULFERISE

Regular verb: desulferise - desulferised - desulferised

Affirmation

Simple form	V-ing form
I ought to desulferise you ought to desulferise he ought to desulferise we ought to desulferise you ought to desulferise they ought to desulferise	I ought to be desulferising you ought to be desulferising he ought to be desulferising we ought to be desulferising you ought to be desulferising they ought to be desulferising
Perfect	V-ing perfect
I ought to have desulferised you ought to have desulferised he ought to have desulferised we ought to have desulferised you ought to have desulferised they ought to have desulferised	I ought to have been desulferising you ought to have been desulferising he ought to have been desulferising we ought to have been desulferising you ought to have been desulferising they ought to have been desulferising

Negation

Simple form	V-ing form
I ought not to desulferise you ought not to desulferise he ought not to desulferise we ought not to desulferise you ought not to desulferise they ought not to desulferise	I ought not to desulferising you ought not to desulferising he ought not to desulferising we ought not to desulferising you ought not to desulferising they ought not to desulferising
Perfect	V-ing perfect
I ought not to have desulferised you ought not to have desulferised he ought not to have desulferised we ought not to have desulferised you ought not to have desulferised they ought not to have desulferised	I ought not to have been desulferising you ought not to have been desulferising he ought not to have been desulferising we ought not to have been desulferising you ought not to have been desulferising they ought not to have been desulferising

Interrogative form

Simple form	V-ing form
ought to I desulferise? ought to you desulferise? ought to he desulferise? ought to we desulferise? ought to you desulferise? ought to they desulferise?	ought to I be desulferising? ought to you be desulferising? ought to he be desulferising? ought to we be desulferising? ought to you be desulferising? ought to they be desulferising?
Perfect	V-ing perfect
ought to I have desulferised? ought to you have desulferised? ought to he have desulferised? ought to we have desulferised? ought to you have desulferised? ought to they have desulferised?	ought to I have been desulferising? ought to you have been desulferising? ought to he have been desulferising? ought to we have been desulferising? ought to you have been desulferising? ought to they have been desulferising?

Interro-negative form

Simple form	V-ing form
ought I not to desulferise? ought you not to desulferise? ought he not to desulferise? ought we not to desulferise? ought you not to desulferise? ought they not to desulferise?	ought I not to be desulferising? ought you not to be desulferising? ought he not to be desulferising? ought we not to be desulferising? ought you not to be desulferising? ought they not to be desulferising?
Perfect	V-ing perfect
ought I not to have desulferised? ought you not to have desulferised? ought he not to have desulferised? ought we not to have desulferised? ought you not to have desulferised? ought they not to have desulferised?	ought I not to have been desulferising? ought you not to have been desulferising? ought he not to have been desulferising? ought we not to have been desulferising? ought you not to have been desulferising? ought they not to have been desulferising?