I can cover you can cover he can cover we can cover you can cover they can cover
Forme en V-ing
I can be covering you can be covering he can be covering we can be covering you can be covering they can be covering
Perfect
I can have covered you can have covered he can have covered we can have covered you can have covered they can have covered
Perfect en V-ing
I can have been covering you can have been covering he can have been covering we can have been covering you can have been covering they can have been covering
Négation
Forme simple
I can't cover you can't cover he can't cover we can't cover you can't cover they can't cover
Forme en V-ing
I can't be covering you can't be covering he can't be covering we can't be covering you can't be covering they can't be covering
Perfect
I can't have covered you can't have covered he can't have covered we can't have covered you can't have covered they can't have covered
Perfect en V-ing
I can't have been covering you can't have been covering he can't have been covering we can't have been covering you can't have been covering they can't have been covering
Forme interrogative
Forme simple
can I cover? can you cover? can he cover? can we cover? can you cover? can they cover?
Forme en V-ing
can I be covering? can you be covering? can he be covering? can we be covering? can you be covering? can they be covering?
Perfect
can I have covered? can you have covered? can he have covered? can we have covered? can you have covered? can they have covered?
Perfect en V-ing
can I have been covering? can you have been covering? can he have been covering? can we have been covering? can you have been covering? can they have been covering?
Forme interro-négative
Forme simple
can't I cover? can't you cover? can't he cover? can't we cover? can't you cover? can't they cover?
Forme en V-ing
can't I be covering? can't you be covering? can't he be covering? can't we be covering? can't you be covering? can't they be covering?
Perfect
can't I have covered? can't you have covered? can't he have covered? can't we have covered? can't you have covered? can't they have covered?
Perfect en V-ing
can't I have been covering? can't you have been covering? can't he have been covering? can't we have been covering? can't you have been covering? can't they have been covering?