I can tire you can tire she can tire we can tire you can tire they can tire
Forma con V-ing
I can be tiring you can be tiring she can be tiring we can be tiring you can be tiring they can be tiring
Perfecto
I can have tired you can have tired she can have tired we can have tired you can have tired they can have tired
Perfecto con V-ing
I can have been tiring you can have been tiring she can have been tiring we can have been tiring you can have been tiring they can have been tiring
Negación
Forma simple
I can't tire you can't tire she can't tire we can't tire you can't tire they can't tire
Forma con V-ing
I can't be tiring you can't be tiring she can't be tiring we can't be tiring you can't be tiring they can't be tiring
Perfecto
I can't have tired you can't have tired she can't have tired we can't have tired you can't have tired they can't have tired
Perfecto con V-ing
I can't have been tiring you can't have been tiring she can't have been tiring we can't have been tiring you can't have been tiring they can't have been tiring
Forma interrogativa
Forma simple
can I tire? can you tire? can she tire? can we tire? can you tire? can they tire?
Forma con V-ing
can I be tiring? can you be tiring? can she be tiring? can we be tiring? can you be tiring? can they be tiring?
Perfecto
can I have tired? can you have tired? can she have tired? can we have tired? can you have tired? can they have tired?
Perfecto con V-ing
can I have been tiring? can you have been tiring? can she have been tiring? can we have been tiring? can you have been tiring? can they have been tiring?
Forma interro-negativa
Forma simple
can't I tire? can't you tire? can't she tire? can't we tire? can't you tire? can't they tire?
Forma con V-ing
can't I be tiring? can't you be tiring? can't she be tiring? can't we be tiring? can't you be tiring? can't they be tiring?
Perfecto
can't I have tired? can't you have tired? can't she have tired? can't we have tired? can't you have tired? can't they have tired?
Perfecto con V-ing
can't I have been tiring? can't you have been tiring? can't she have been tiring? can't we have been tiring? can't you have been tiring? can't they have been tiring?