I ought to mast you ought to mast she ought to mast we ought to mast you ought to mast they ought to mast
V-ing form
I ought to be masting you ought to be masting she ought to be masting we ought to be masting you ought to be masting they ought to be masting
Perfect
I ought to have masted you ought to have masted she ought to have masted we ought to have masted you ought to have masted they ought to have masted
V-ing perfect
I ought to have been masting you ought to have been masting she ought to have been masting we ought to have been masting you ought to have been masting they ought to have been masting
Negation
Simple form
I ought not to mast you ought not to mast she ought not to mast we ought not to mast you ought not to mast they ought not to mast
V-ing form
I ought not to masting you ought not to masting she ought not to masting we ought not to masting you ought not to masting they ought not to masting
Perfect
I ought not to have masted you ought not to have masted she ought not to have masted we ought not to have masted you ought not to have masted they ought not to have masted
V-ing perfect
I ought not to have been masting you ought not to have been masting she ought not to have been masting we ought not to have been masting you ought not to have been masting they ought not to have been masting
Interrogative form
Simple form
ought to I mast? ought to you mast? ought to she mast? ought to we mast? ought to you mast? ought to they mast?
V-ing form
ought to I be masting? ought to you be masting? ought to she be masting? ought to we be masting? ought to you be masting? ought to they be masting?
Perfect
ought to I have masted? ought to you have masted? ought to she have masted? ought to we have masted? ought to you have masted? ought to they have masted?
V-ing perfect
ought to I have been masting? ought to you have been masting? ought to she have been masting? ought to we have been masting? ought to you have been masting? ought to they have been masting?
Interro-negative form
Simple form
ought I not to mast? ought you not to mast? ought she not to mast? ought we not to mast? ought you not to mast? ought they not to mast?
V-ing form
ought I not to be masting? ought you not to be masting? ought she not to be masting? ought we not to be masting? ought you not to be masting? ought they not to be masting?
Perfect
ought I not to have masted? ought you not to have masted? ought she not to have masted? ought we not to have masted? ought you not to have masted? ought they not to have masted?
V-ing perfect
ought I not to have been masting? ought you not to have been masting? ought she not to have been masting? ought we not to have been masting? ought you not to have been masting? ought they not to have been masting?