I can asseverate you can asseverate she can asseverate we can asseverate you can asseverate they can asseverate
Forme en V-ing
I can be asseverating you can be asseverating she can be asseverating we can be asseverating you can be asseverating they can be asseverating
Perfect
I can have asseverated you can have asseverated she can have asseverated we can have asseverated you can have asseverated they can have asseverated
Perfect en V-ing
I can have been asseverating you can have been asseverating she can have been asseverating we can have been asseverating you can have been asseverating they can have been asseverating
Négation
Forme simple
I can't asseverate you can't asseverate she can't asseverate we can't asseverate you can't asseverate they can't asseverate
Forme en V-ing
I can't be asseverating you can't be asseverating she can't be asseverating we can't be asseverating you can't be asseverating they can't be asseverating
Perfect
I can't have asseverated you can't have asseverated she can't have asseverated we can't have asseverated you can't have asseverated they can't have asseverated
Perfect en V-ing
I can't have been asseverating you can't have been asseverating she can't have been asseverating we can't have been asseverating you can't have been asseverating they can't have been asseverating
Forme interrogative
Forme simple
can I asseverate? can you asseverate? can she asseverate? can we asseverate? can you asseverate? can they asseverate?
Forme en V-ing
can I be asseverating? can you be asseverating? can she be asseverating? can we be asseverating? can you be asseverating? can they be asseverating?
Perfect
can I have asseverated? can you have asseverated? can she have asseverated? can we have asseverated? can you have asseverated? can they have asseverated?
Perfect en V-ing
can I have been asseverating? can you have been asseverating? can she have been asseverating? can we have been asseverating? can you have been asseverating? can they have been asseverating?
Forme interro-négative
Forme simple
can't I asseverate? can't you asseverate? can't she asseverate? can't we asseverate? can't you asseverate? can't they asseverate?
Forme en V-ing
can't I be asseverating? can't you be asseverating? can't she be asseverating? can't we be asseverating? can't you be asseverating? can't they be asseverating?
Perfect
can't I have asseverated? can't you have asseverated? can't she have asseverated? can't we have asseverated? can't you have asseverated? can't they have asseverated?
Perfect en V-ing
can't I have been asseverating? can't you have been asseverating? can't she have been asseverating? can't we have been asseverating? can't you have been asseverating? can't they have been asseverating?