I ought to check you ought to check she ought to check we ought to check you ought to check they ought to check
V-ing form
I ought to be checking you ought to be checking she ought to be checking we ought to be checking you ought to be checking they ought to be checking
Perfect
I ought to have checked you ought to have checked she ought to have checked we ought to have checked you ought to have checked they ought to have checked
V-ing perfect
I ought to have been checking you ought to have been checking she ought to have been checking we ought to have been checking you ought to have been checking they ought to have been checking
Negation
Simple form
I ought not to check you ought not to check she ought not to check we ought not to check you ought not to check they ought not to check
V-ing form
I ought not to checking you ought not to checking she ought not to checking we ought not to checking you ought not to checking they ought not to checking
Perfect
I ought not to have checked you ought not to have checked she ought not to have checked we ought not to have checked you ought not to have checked they ought not to have checked
V-ing perfect
I ought not to have been checking you ought not to have been checking she ought not to have been checking we ought not to have been checking you ought not to have been checking they ought not to have been checking
Interrogative form
Simple form
ought to I check? ought to you check? ought to she check? ought to we check? ought to you check? ought to they check?
V-ing form
ought to I be checking? ought to you be checking? ought to she be checking? ought to we be checking? ought to you be checking? ought to they be checking?
Perfect
ought to I have checked? ought to you have checked? ought to she have checked? ought to we have checked? ought to you have checked? ought to they have checked?
V-ing perfect
ought to I have been checking? ought to you have been checking? ought to she have been checking? ought to we have been checking? ought to you have been checking? ought to they have been checking?
Interro-negative form
Simple form
ought I not to check? ought you not to check? ought she not to check? ought we not to check? ought you not to check? ought they not to check?
V-ing form
ought I not to be checking? ought you not to be checking? ought she not to be checking? ought we not to be checking? ought you not to be checking? ought they not to be checking?
Perfect
ought I not to have checked? ought you not to have checked? ought she not to have checked? ought we not to have checked? ought you not to have checked? ought they not to have checked?
V-ing perfect
ought I not to have been checking? ought you not to have been checking? ought she not to have been checking? ought we not to have been checking? ought you not to have been checking? ought they not to have been checking?