can birth
Verbo regular: birth - birthed- birthed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can birth
you can birth
he can birth
we can birth
you can birth
they can birth 	I can be birthing
you can be birthing
he can be birthing
we can be birthing
you can be birthing
they can be birthing	I can have birthed
you can have birthed
he can have birthed
we can have birthed
you can have birthed
they can have birthed	I can have been birthing
you can have been birthing
he can have been birthing
we can have been birthing
you can have been birthing
they can have been birthing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot birth
you cannot birth
he cannot birth
we cannot birth
you cannot birth
they cannot birth 	I cannot be birthing
you cannot be birthing
he cannot be birthing
we cannot be birthing
you cannot be birthing
they cannot be birthing	I cannot have birthed
you cannot have birthed
he cannot have birthed
we cannot have birthed
you cannot have birthed
they cannot have birthed	I cannot have been birthing
you cannot have been birthing
he cannot have been birthing
we cannot have been birthing
you cannot have been birthing
they cannot have been birthing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I birth?
can you birth?
can he birth?
can we birth?
can you birth?
can they birth? 	can I be birthing?
can you be birthing?
can he be birthing?
can we be birthing?
can you be birthing?
can they be birthing? 	can I have birthed?
can you have birthed?
can he have birthed?
can we have birthed?
can you have birthed?
can they have birthed? 	can I have been birthing?
can you have been birthing?
can he have been birthing?
can we have been birthing?
can you have been birthing?
can they have been birthing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not birth?
can you not birth?
can he not birth?
can we not birth?
can you not birth?
can they not birth? 	can I not be birthing?
can you not be birthing?
can he not be birthing?
can we not be birthing?
can you not be birthing?
can they not be birthing? 	can I not have birthed?
can you not have birthed?
can he not have birthed?
can we not have birthed?
can you not have birthed?
can they not have birthed? 	can I not have been birthing?
can you not have been birthing?
can he not have been birthing?
can we not have been birthing?
can you not have been birthing?
can they not have been birthing?