I can birth you can birth he can birth we can birth you can birth they can birth
Forme en V-ing
I can be birthing you can be birthing he can be birthing we can be birthing you can be birthing they can be birthing
Perfect
I can have birthed you can have birthed he can have birthed we can have birthed you can have birthed they can have birthed
Perfect en V-ing
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
Négation
Forme simple
I can't birth you can't birth he can't birth we can't birth you can't birth they can't birth
Forme en V-ing
I can't be birthing you can't be birthing he can't be birthing we can't be birthing you can't be birthing they can't be birthing
Perfect
I can't have birthed you can't have birthed he can't have birthed we can't have birthed you can't have birthed they can't have birthed
Perfect en V-ing
I can't have been birthing you can't have been birthing he can't have been birthing we can't have been birthing you can't have been birthing they can't have been birthing
Forme interrogative
Forme simple
can I birth? can you birth? can he birth? can we birth? can you birth? can they birth?
Forme en V-ing
can I be birthing? can you be birthing? can he be birthing? can we be birthing? can you be birthing? can they be birthing?
Perfect
can I have birthed? can you have birthed? can he have birthed? can we have birthed? can you have birthed? can they have birthed?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
can't I birth? can't you birth? can't he birth? can't we birth? can't you birth? can't they birth?
Forme en V-ing
can't I be birthing? can't you be birthing? can't he be birthing? can't we be birthing? can't you be birthing? can't they be birthing?
Perfect
can't I have birthed? can't you have birthed? can't he have birthed? can't we have birthed? can't you have birthed? can't they have birthed?
Perfect en V-ing
can't I have been birthing? can't you have been birthing? can't he have been birthing? can't we have been birthing? can't you have been birthing? can't they have been birthing?