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