I ought to sire you ought to sire she ought to sire we ought to sire you ought to sire they ought to sire
V-ing form
I ought to be siring you ought to be siring she ought to be siring we ought to be siring you ought to be siring they ought to be siring
Perfect
I ought to have sired you ought to have sired she ought to have sired we ought to have sired you ought to have sired they ought to have sired
V-ing perfect
I ought to have been siring you ought to have been siring she ought to have been siring we ought to have been siring you ought to have been siring they ought to have been siring
Negation
Simple form
I oughtn't to sire you oughtn't to sire she oughtn't to sire we oughtn't to sire you oughtn't to sire they oughtn't to sire
V-ing form
I oughtn't to be siring you oughtn't to be siring she oughtn't to be siring we oughtn't to be siring you oughtn't to be siring they oughtn't to be siring
Perfect
I oughtn't to have sired you oughtn't to have sired she oughtn't to have sired we oughtn't to have sired you oughtn't to have sired they oughtn't to have sired
V-ing perfect
I oughtn't to have been siring you oughtn't to have been siring she oughtn't to have been siring we oughtn't to have been siring you oughtn't to have been siring they oughtn't to have been siring
Interrogative form
Simple form
ought to I sire? ought to you sire? ought to she sire? ought to we sire? ought to you sire? ought to they sire?
V-ing form
ought to I be siring? ought to you be siring? ought to she be siring? ought to we be siring? ought to you be siring? ought to they be siring?
Perfect
ought to I have sired? ought to you have sired? ought to she have sired? ought to we have sired? ought to you have sired? ought to they have sired?
V-ing perfect
ought to I have been siring? ought to you have been siring? ought to she have been siring? ought to we have been siring? ought to you have been siring? ought to they have been siring?
Interro-negative form
Simple form
oughtn't I to sire? oughtn't you to sire? oughtn't she to sire? oughtn't we to sire? oughtn't you to sire? oughtn't they to sire?
V-ing form
oughtn't I to be siring? oughtn't you to be siring? oughtn't she to be siring? oughtn't we to be siring? oughtn't you to be siring? oughtn't they to be siring?
Perfect
oughtn't I to have sired? oughtn't you to have sired? oughtn't she to have sired? oughtn't we to have sired? oughtn't you to have sired? oughtn't they to have sired?
V-ing perfect
oughtn't I to have been siring? oughtn't you to have been siring? oughtn't she to have been siring? oughtn't we to have been siring? oughtn't you to have been siring? oughtn't they to have been siring?