I can work you can work he can work we can work you can work they can work
Forme en V-ing
I can be working you can be working he can be working we can be working you can be working they can be working
Perfect
I can have worked you can have worked he can have worked we can have worked you can have worked they can have worked
Perfect en V-ing
I can have been working you can have been working he can have been working we can have been working you can have been working they can have been working
Négation
Forme simple
I can't work you can't work he can't work we can't work you can't work they can't work
Forme en V-ing
I can't be working you can't be working he can't be working we can't be working you can't be working they can't be working
Perfect
I can't have worked you can't have worked he can't have worked we can't have worked you can't have worked they can't have worked
Perfect en V-ing
I can't have been working you can't have been working he can't have been working we can't have been working you can't have been working they can't have been working
Forme interrogative
Forme simple
can I work? can you work? can he work? can we work? can you work? can they work?
Forme en V-ing
can I be working? can you be working? can he be working? can we be working? can you be working? can they be working?
Perfect
can I have worked? can you have worked? can he have worked? can we have worked? can you have worked? can they have worked?
Perfect en V-ing
can I have been working? can you have been working? can he have been working? can we have been working? can you have been working? can they have been working?
Forme interro-négative
Forme simple
can't I work? can't you work? can't he work? can't we work? can't you work? can't they work?
Forme en V-ing
can't I be working? can't you be working? can't he be working? can't we be working? can't you be working? can't they be working?
Perfect
can't I have worked? can't you have worked? can't he have worked? can't we have worked? can't you have worked? can't they have worked?
Perfect en V-ing
can't I have been working? can't you have been working? can't he have been working? can't we have been working? can't you have been working? can't they have been working?