I can ache you can ache she can ache we can ache you can ache they can ache
Forma con V-ing
I can be aching you can be aching she can be aching we can be aching you can be aching they can be aching
Perfecto
I can have ached you can have ached she can have ached we can have ached you can have ached they can have ached
Perfecto con V-ing
I can have been aching you can have been aching she can have been aching we can have been aching you can have been aching they can have been aching
Negación
Forma simple
I cannot ache you cannot ache she cannot ache we cannot ache you cannot ache they cannot ache
Forma con V-ing
I cannot be aching you cannot be aching she cannot be aching we cannot be aching you cannot be aching they cannot be aching
Perfecto
I cannot have ached you cannot have ached she cannot have ached we cannot have ached you cannot have ached they cannot have ached
Perfecto con V-ing
I cannot have been aching you cannot have been aching she cannot have been aching we cannot have been aching you cannot have been aching they cannot have been aching
Forma interrogativa
Forma simple
can I ache? can you ache? can she ache? can we ache? can you ache? can they ache?
Forma con V-ing
can I be aching? can you be aching? can she be aching? can we be aching? can you be aching? can they be aching?
Perfecto
can I have ached? can you have ached? can she have ached? can we have ached? can you have ached? can they have ached?
Perfecto con V-ing
can I have been aching? can you have been aching? can she have been aching? can we have been aching? can you have been aching? can they have been aching?
Forma interro-negativa
Forma simple
can I not ache? can you not ache? can she not ache? can we not ache? can you not ache? can they not ache?
Forma con V-ing
can I not be aching? can you not be aching? can she not be aching? can we not be aching? can you not be aching? can they not be aching?
Perfecto
can I not have ached? can you not have ached? can she not have ached? can we not have ached? can you not have ached? can they not have ached?
Perfecto con V-ing
can I not have been aching? can you not have been aching? can she not have been aching? can we not have been aching? can you not have been aching? can they not have been aching?