I can suffer you can suffer she can suffer we can suffer you can suffer they can suffer
Forma con V-ing
I can be suffering you can be suffering she can be suffering we can be suffering you can be suffering they can be suffering
Perfecto
I can have suffered you can have suffered she can have suffered we can have suffered you can have suffered they can have suffered
Perfecto con V-ing
I can have been suffering you can have been suffering she can have been suffering we can have been suffering you can have been suffering they can have been suffering
Negación
Forma simple
I cannot suffer you cannot suffer she cannot suffer we cannot suffer you cannot suffer they cannot suffer
Forma con V-ing
I cannot be suffering you cannot be suffering she cannot be suffering we cannot be suffering you cannot be suffering they cannot be suffering
Perfecto
I cannot have suffered you cannot have suffered she cannot have suffered we cannot have suffered you cannot have suffered they cannot have suffered
Perfecto con V-ing
I cannot have been suffering you cannot have been suffering she cannot have been suffering we cannot have been suffering you cannot have been suffering they cannot have been suffering
Forma interrogativa
Forma simple
can I suffer? can you suffer? can she suffer? can we suffer? can you suffer? can they suffer?
Forma con V-ing
can I be suffering? can you be suffering? can she be suffering? can we be suffering? can you be suffering? can they be suffering?
Perfecto
can I have suffered? can you have suffered? can she have suffered? can we have suffered? can you have suffered? can they have suffered?
Perfecto con V-ing
can I have been suffering? can you have been suffering? can she have been suffering? can we have been suffering? can you have been suffering? can they have been suffering?
Forma interro-negativa
Forma simple
can I not suffer? can you not suffer? can she not suffer? can we not suffer? can you not suffer? can they not suffer?
Forma con V-ing
can I not be suffering? can you not be suffering? can she not be suffering? can we not be suffering? can you not be suffering? can they not be suffering?
Perfecto
can I not have suffered? can you not have suffered? can she not have suffered? can we not have suffered? can you not have suffered? can they not have suffered?
Perfecto con V-ing
can I not have been suffering? can you not have been suffering? can she not have been suffering? can we not have been suffering? can you not have been suffering? can they not have been suffering?