Conjugación del verbo inglés
COULD BIRTH

Verbo regular: birth - birthed - birthed

Afirmación

Forma simple	Forma con V-ing
I could birth you could birth he could birth we could birth you could birth they could birth	I could be birthing you could be birthing he could be birthing we could be birthing you could be birthing they could be birthing
Perfecto	Perfecto con V-ing
I could have birthed you could have birthed he could have birthed we could have birthed you could have birthed they could have birthed	I could have been birthing you could have been birthing he could have been birthing we could have been birthing you could have been birthing they could have been birthing

Negación

Forma simple	Forma con V-ing
I could not birth you could not birth he could not birth we could not birth you could not birth they could not birth	I could not be birthing you could not be birthing he could not be birthing we could not be birthing you could not be birthing they could not be birthing
Perfecto	Perfecto con V-ing
I could not have birthed you could not have birthed he could not have birthed we could not have birthed you could not have birthed they could not have birthed	I could not have been birthing you could not have been birthing he could not have been birthing we could not have been birthing you could not have been birthing they could not have been birthing

Forma interrogativa

Forma simple	Forma con V-ing
could I birth? could you birth? could he birth? could we birth? could you birth? could they birth?	could I be birthing? could you be birthing? could he be birthing? could we be birthing? could you be birthing? could they be birthing?
Perfecto	Perfecto con V-ing
could I have birthed? could you have birthed? could he have birthed? could we have birthed? could you have birthed? could they have birthed?	could I have been birthing? could you have been birthing? could he have been birthing? could we have been birthing? could you have been birthing? could they have been birthing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not birth? could you not birth? could he not birth? could we not birth? could you not birth? could they not birth?	could I not be birthing? could you not be birthing? could he not be birthing? could we not be birthing? could you not be birthing? could they not be birthing?
Perfecto	Perfecto con V-ing
could I not have birthed? could you not have birthed? could he not have birthed? could we not have birthed? could you not have birthed? could they not have birthed?	could I not have been birthing? could you not have been birthing? could he not have been birthing? could we not have been birthing? could you not have been birthing? could they not have been birthing?