I ought to excuse you ought to excuse he ought to excuse we ought to excuse you ought to excuse they ought to excuse
V-ing form
I ought to be excusing you ought to be excusing he ought to be excusing we ought to be excusing you ought to be excusing they ought to be excusing
Perfect
I ought to have excused you ought to have excused he ought to have excused we ought to have excused you ought to have excused they ought to have excused
V-ing perfect
I ought to have been excusing you ought to have been excusing he ought to have been excusing we ought to have been excusing you ought to have been excusing they ought to have been excusing
Negation
Simple form
I ought not to excuse you ought not to excuse he ought not to excuse we ought not to excuse you ought not to excuse they ought not to excuse
V-ing form
I ought not to excusing you ought not to excusing he ought not to excusing we ought not to excusing you ought not to excusing they ought not to excusing
Perfect
I ought not to have excused you ought not to have excused he ought not to have excused we ought not to have excused you ought not to have excused they ought not to have excused
V-ing perfect
I ought not to have been excusing you ought not to have been excusing he ought not to have been excusing we ought not to have been excusing you ought not to have been excusing they ought not to have been excusing
Interrogative form
Simple form
ought to I excuse? ought to you excuse? ought to he excuse? ought to we excuse? ought to you excuse? ought to they excuse?
V-ing form
ought to I be excusing? ought to you be excusing? ought to he be excusing? ought to we be excusing? ought to you be excusing? ought to they be excusing?
Perfect
ought to I have excused? ought to you have excused? ought to he have excused? ought to we have excused? ought to you have excused? ought to they have excused?
V-ing perfect
ought to I have been excusing? ought to you have been excusing? ought to he have been excusing? ought to we have been excusing? ought to you have been excusing? ought to they have been excusing?
Interro-negative form
Simple form
ought I not to excuse? ought you not to excuse? ought he not to excuse? ought we not to excuse? ought you not to excuse? ought they not to excuse?
V-ing form
ought I not to be excusing? ought you not to be excusing? ought he not to be excusing? ought we not to be excusing? ought you not to be excusing? ought they not to be excusing?
Perfect
ought I not to have excused? ought you not to have excused? ought he not to have excused? ought we not to have excused? ought you not to have excused? ought they not to have excused?
V-ing perfect
ought I not to have been excusing? ought you not to have been excusing? ought he not to have been excusing? ought we not to have been excusing? ought you not to have been excusing? ought they not to have been excusing?