I ought to compute you ought to compute he ought to compute we ought to compute you ought to compute they ought to compute
V-ing form
I ought to be computing you ought to be computing he ought to be computing we ought to be computing you ought to be computing they ought to be computing
Perfect
I ought to have computed you ought to have computed he ought to have computed we ought to have computed you ought to have computed they ought to have computed
V-ing perfect
I ought to have been computing you ought to have been computing he ought to have been computing we ought to have been computing you ought to have been computing they ought to have been computing
Negation
Simple form
I ought not to compute you ought not to compute he ought not to compute we ought not to compute you ought not to compute they ought not to compute
V-ing form
I ought not to computing you ought not to computing he ought not to computing we ought not to computing you ought not to computing they ought not to computing
Perfect
I ought not to have computed you ought not to have computed he ought not to have computed we ought not to have computed you ought not to have computed they ought not to have computed
V-ing perfect
I ought not to have been computing you ought not to have been computing he ought not to have been computing we ought not to have been computing you ought not to have been computing they ought not to have been computing
Interrogative form
Simple form
ought to I compute? ought to you compute? ought to he compute? ought to we compute? ought to you compute? ought to they compute?
V-ing form
ought to I be computing? ought to you be computing? ought to he be computing? ought to we be computing? ought to you be computing? ought to they be computing?
Perfect
ought to I have computed? ought to you have computed? ought to he have computed? ought to we have computed? ought to you have computed? ought to they have computed?
V-ing perfect
ought to I have been computing? ought to you have been computing? ought to he have been computing? ought to we have been computing? ought to you have been computing? ought to they have been computing?
Interro-negative form
Simple form
ought I not to compute? ought you not to compute? ought he not to compute? ought we not to compute? ought you not to compute? ought they not to compute?
V-ing form
ought I not to be computing? ought you not to be computing? ought he not to be computing? ought we not to be computing? ought you not to be computing? ought they not to be computing?
Perfect
ought I not to have computed? ought you not to have computed? ought he not to have computed? ought we not to have computed? ought you not to have computed? ought they not to have computed?
V-ing perfect
ought I not to have been computing? ought you not to have been computing? ought he not to have been computing? ought we not to have been computing? ought you not to have been computing? ought they not to have been computing?