I can serge you can serge she can serge we can serge you can serge they can serge
Forme en V-ing
I can be serging you can be serging she can be serging we can be serging you can be serging they can be serging
Perfect
I can have serged you can have serged she can have serged we can have serged you can have serged they can have serged
Perfect en V-ing
I can have been serging you can have been serging she can have been serging we can have been serging you can have been serging they can have been serging
Négation
Forme simple
I can't serge you can't serge she can't serge we can't serge you can't serge they can't serge
Forme en V-ing
I can't be serging you can't be serging she can't be serging we can't be serging you can't be serging they can't be serging
Perfect
I can't have serged you can't have serged she can't have serged we can't have serged you can't have serged they can't have serged
Perfect en V-ing
I can't have been serging you can't have been serging she can't have been serging we can't have been serging you can't have been serging they can't have been serging
Forme interrogative
Forme simple
can I serge? can you serge? can she serge? can we serge? can you serge? can they serge?
Forme en V-ing
can I be serging? can you be serging? can she be serging? can we be serging? can you be serging? can they be serging?
Perfect
can I have serged? can you have serged? can she have serged? can we have serged? can you have serged? can they have serged?
Perfect en V-ing
can I have been serging? can you have been serging? can she have been serging? can we have been serging? can you have been serging? can they have been serging?
Forme interro-négative
Forme simple
can't I serge? can't you serge? can't she serge? can't we serge? can't you serge? can't they serge?
Forme en V-ing
can't I be serging? can't you be serging? can't she be serging? can't we be serging? can't you be serging? can't they be serging?
Perfect
can't I have serged? can't you have serged? can't she have serged? can't we have serged? can't you have serged? can't they have serged?
Perfect en V-ing
can't I have been serging? can't you have been serging? can't she have been serging? can't we have been serging? can't you have been serging? can't they have been serging?