I ought to credit you ought to credit she ought to credit we ought to credit you ought to credit they ought to credit
V-ing form
I ought to be crediting you ought to be crediting she ought to be crediting we ought to be crediting you ought to be crediting they ought to be crediting
Perfect
I ought to have credited you ought to have credited she ought to have credited we ought to have credited you ought to have credited they ought to have credited
V-ing perfect
I ought to have been crediting you ought to have been crediting she ought to have been crediting we ought to have been crediting you ought to have been crediting they ought to have been crediting
Negation
Simple form
I ought not to credit you ought not to credit she ought not to credit we ought not to credit you ought not to credit they ought not to credit
V-ing form
I ought not to crediting you ought not to crediting she ought not to crediting we ought not to crediting you ought not to crediting they ought not to crediting
Perfect
I ought not to have credited you ought not to have credited she ought not to have credited we ought not to have credited you ought not to have credited they ought not to have credited
V-ing perfect
I ought not to have been crediting you ought not to have been crediting she ought not to have been crediting we ought not to have been crediting you ought not to have been crediting they ought not to have been crediting
Interrogative form
Simple form
ought to I credit? ought to you credit? ought to she credit? ought to we credit? ought to you credit? ought to they credit?
V-ing form
ought to I be crediting? ought to you be crediting? ought to she be crediting? ought to we be crediting? ought to you be crediting? ought to they be crediting?
Perfect
ought to I have credited? ought to you have credited? ought to she have credited? ought to we have credited? ought to you have credited? ought to they have credited?
V-ing perfect
ought to I have been crediting? ought to you have been crediting? ought to she have been crediting? ought to we have been crediting? ought to you have been crediting? ought to they have been crediting?
Interro-negative form
Simple form
ought I not to credit? ought you not to credit? ought she not to credit? ought we not to credit? ought you not to credit? ought they not to credit?
V-ing form
ought I not to be crediting? ought you not to be crediting? ought she not to be crediting? ought we not to be crediting? ought you not to be crediting? ought they not to be crediting?
Perfect
ought I not to have credited? ought you not to have credited? ought she not to have credited? ought we not to have credited? ought you not to have credited? ought they not to have credited?
V-ing perfect
ought I not to have been crediting? ought you not to have been crediting? ought she not to have been crediting? ought we not to have been crediting? ought you not to have been crediting? ought they not to have been crediting?