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