I can ail you can ail he can ail we can ail you can ail they can ail
Forma con V-ing
I can be ailing you can be ailing he can be ailing we can be ailing you can be ailing they can be ailing
Perfecto
I can have ailed you can have ailed he can have ailed we can have ailed you can have ailed they can have ailed
Perfecto con V-ing
I can have been ailing you can have been ailing he can have been ailing we can have been ailing you can have been ailing they can have been ailing
Negación
Forma simple
I can't ail you can't ail he can't ail we can't ail you can't ail they can't ail
Forma con V-ing
I can't be ailing you can't be ailing he can't be ailing we can't be ailing you can't be ailing they can't be ailing
Perfecto
I can't have ailed you can't have ailed he can't have ailed we can't have ailed you can't have ailed they can't have ailed
Perfecto con V-ing
I can't have been ailing you can't have been ailing he can't have been ailing we can't have been ailing you can't have been ailing they can't have been ailing
Forma interrogativa
Forma simple
can I ail? can you ail? can he ail? can we ail? can you ail? can they ail?
Forma con V-ing
can I be ailing? can you be ailing? can he be ailing? can we be ailing? can you be ailing? can they be ailing?
Perfecto
can I have ailed? can you have ailed? can he have ailed? can we have ailed? can you have ailed? can they have ailed?
Perfecto con V-ing
can I have been ailing? can you have been ailing? can he have been ailing? can we have been ailing? can you have been ailing? can they have been ailing?
Forma interro-negativa
Forma simple
can't I ail? can't you ail? can't he ail? can't we ail? can't you ail? can't they ail?
Forma con V-ing
can't I be ailing? can't you be ailing? can't he be ailing? can't we be ailing? can't you be ailing? can't they be ailing?
Perfecto
can't I have ailed? can't you have ailed? can't he have ailed? can't we have ailed? can't you have ailed? can't they have ailed?
Perfecto con V-ing
can't I have been ailing? can't you have been ailing? can't he have been ailing? can't we have been ailing? can't you have been ailing? can't they have been ailing?