I ought to harp you ought to harp he ought to harp we ought to harp you ought to harp they ought to harp
V-ing form
I ought to be harping you ought to be harping he ought to be harping we ought to be harping you ought to be harping they ought to be harping
Perfect
I ought to have harped you ought to have harped he ought to have harped we ought to have harped you ought to have harped they ought to have harped
V-ing perfect
I ought to have been harping you ought to have been harping he ought to have been harping we ought to have been harping you ought to have been harping they ought to have been harping
Negation
Simple form
I oughtn't to harp you oughtn't to harp he oughtn't to harp we oughtn't to harp you oughtn't to harp they oughtn't to harp
V-ing form
I oughtn't to be harping you oughtn't to be harping he oughtn't to be harping we oughtn't to be harping you oughtn't to be harping they oughtn't to be harping
Perfect
I oughtn't to have harped you oughtn't to have harped he oughtn't to have harped we oughtn't to have harped you oughtn't to have harped they oughtn't to have harped
V-ing perfect
I oughtn't to have been harping you oughtn't to have been harping he oughtn't to have been harping we oughtn't to have been harping you oughtn't to have been harping they oughtn't to have been harping
Interrogative form
Simple form
ought to I harp? ought to you harp? ought to he harp? ought to we harp? ought to you harp? ought to they harp?
V-ing form
ought to I be harping? ought to you be harping? ought to he be harping? ought to we be harping? ought to you be harping? ought to they be harping?
Perfect
ought to I have harped? ought to you have harped? ought to he have harped? ought to we have harped? ought to you have harped? ought to they have harped?
V-ing perfect
ought to I have been harping? ought to you have been harping? ought to he have been harping? ought to we have been harping? ought to you have been harping? ought to they have been harping?
Interro-negative form
Simple form
oughtn't I to harp? oughtn't you to harp? oughtn't he to harp? oughtn't we to harp? oughtn't you to harp? oughtn't they to harp?
V-ing form
oughtn't I to be harping? oughtn't you to be harping? oughtn't he to be harping? oughtn't we to be harping? oughtn't you to be harping? oughtn't they to be harping?
Perfect
oughtn't I to have harped? oughtn't you to have harped? oughtn't he to have harped? oughtn't we to have harped? oughtn't you to have harped? oughtn't they to have harped?
V-ing perfect
oughtn't I to have been harping? oughtn't you to have been harping? oughtn't he to have been harping? oughtn't we to have been harping? oughtn't you to have been harping? oughtn't they to have been harping?