I can ail you can ail she can ail we can ail you can ail they can ail
Forma con V-ing
I can be ailing you can be ailing she can be ailing we can be ailing you can be ailing they can be ailing
Perfecto
I can have ailed you can have ailed she 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 she 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 she 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 she 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 she 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 she 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 she ail? can we ail? can you ail? can they ail?
Forma con V-ing
can I be ailing? can you be ailing? can she be ailing? can we be ailing? can you be ailing? can they be ailing?
Perfecto
can I have ailed? can you have ailed? can she 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 she 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 she 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 she 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 she 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 she have been ailing? can't we have been ailing? can't you have been ailing? can't they have been ailing?