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 oughtn't to excuse you oughtn't to excuse he oughtn't to excuse we oughtn't to excuse you oughtn't to excuse they oughtn't to excuse
V-ing form
I oughtn't to be excusing you oughtn't to be excusing he oughtn't to be excusing we oughtn't to be excusing you oughtn't to be excusing they oughtn't to be excusing
Perfect
I oughtn't to have excused you oughtn't to have excused he oughtn't to have excused we oughtn't to have excused you oughtn't to have excused they oughtn't to have excused
V-ing perfect
I oughtn't to have been excusing you oughtn't to have been excusing he oughtn't to have been excusing we oughtn't to have been excusing you oughtn't to have been excusing they oughtn't 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
oughtn't I to excuse? oughtn't you to excuse? oughtn't he to excuse? oughtn't we to excuse? oughtn't you to excuse? oughtn't they to excuse?
V-ing form
oughtn't I to be excusing? oughtn't you to be excusing? oughtn't he to be excusing? oughtn't we to be excusing? oughtn't you to be excusing? oughtn't they to be excusing?
Perfect
oughtn't I to have excused? oughtn't you to have excused? oughtn't he to have excused? oughtn't we to have excused? oughtn't you to have excused? oughtn't they to have excused?
V-ing perfect
oughtn't I to have been excusing? oughtn't you to have been excusing? oughtn't he to have been excusing? oughtn't we to have been excusing? oughtn't you to have been excusing? oughtn't they to have been excusing?