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