ought to birth
Regular verb: birth - birthed- birthed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to birth
you ought to birth
he ought to birth
we ought to birth
you ought to birth
they ought to birth 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
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 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
ought to I birth?
ought to you birth?
ought to he birth?
ought to we birth?
ought to you birth?
ought to they birth? 	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? 	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? 	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 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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? 	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? 	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?