English verb conjugation
CAN BIRTH

Regular verb: birth - birthed - birthed

Affirmation

Simple form	V-ing form
I can birth you can birth she can birth we can birth you can birth they can birth	I can be birthing you can be birthing she can be birthing we can be birthing you can be birthing they can be birthing
Perfect	V-ing perfect
I can have birthed you can have birthed she 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 she can have been birthing we can have been birthing you can have been birthing they can have been birthing

Negation

Simple form	V-ing form
I cannot birth you cannot birth she cannot birth we cannot birth you cannot birth they cannot birth	I cannot be birthing you cannot be birthing she cannot be birthing we cannot be birthing you cannot be birthing they cannot be birthing
Perfect	V-ing perfect
I cannot have birthed you cannot have birthed she 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 she cannot have been birthing we cannot have been birthing you cannot have been birthing they cannot have been birthing

Interrogative form

Simple form	V-ing form
can I birth? can you birth? can she birth? can we birth? can you birth? can they birth?	can I be birthing? can you be birthing? can she be birthing? can we be birthing? can you be birthing? can they be birthing?
Perfect	V-ing perfect
can I have birthed? can you have birthed? can she 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 she have been birthing? can we have been birthing? can you have been birthing? can they have been birthing?

Interro-negative form

Simple form	V-ing form
can I not birth? can you not birth? can she 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 she not be birthing? can we not be birthing? can you not be birthing? can they not be birthing?
Perfect	V-ing perfect
can I not have birthed? can you not have birthed? can she 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 she not have been birthing? can we not have been birthing? can you not have been birthing? can they not have been birthing?