I can krass you can krass she can krass we can krass you can krass they can krass
Forma con V-ing
I can be krassing you can be krassing she can be krassing we can be krassing you can be krassing they can be krassing
Perfecto
I can have krassed you can have krassed she can have krassed we can have krassed you can have krassed they can have krassed
Perfecto con V-ing
I can have been krassing you can have been krassing she can have been krassing we can have been krassing you can have been krassing they can have been krassing
Negación
Forma simple
I can't krass you can't krass she can't krass we can't krass you can't krass they can't krass
Forma con V-ing
I can't be krassing you can't be krassing she can't be krassing we can't be krassing you can't be krassing they can't be krassing
Perfecto
I can't have krassed you can't have krassed she can't have krassed we can't have krassed you can't have krassed they can't have krassed
Perfecto con V-ing
I can't have been krassing you can't have been krassing she can't have been krassing we can't have been krassing you can't have been krassing they can't have been krassing
Forma interrogativa
Forma simple
can I krass? can you krass? can she krass? can we krass? can you krass? can they krass?
Forma con V-ing
can I be krassing? can you be krassing? can she be krassing? can we be krassing? can you be krassing? can they be krassing?
Perfecto
can I have krassed? can you have krassed? can she have krassed? can we have krassed? can you have krassed? can they have krassed?
Perfecto con V-ing
can I have been krassing? can you have been krassing? can she have been krassing? can we have been krassing? can you have been krassing? can they have been krassing?
Forma interro-negativa
Forma simple
can't I krass? can't you krass? can't she krass? can't we krass? can't you krass? can't they krass?
Forma con V-ing
can't I be krassing? can't you be krassing? can't she be krassing? can't we be krassing? can't you be krassing? can't they be krassing?
Perfecto
can't I have krassed? can't you have krassed? can't she have krassed? can't we have krassed? can't you have krassed? can't they have krassed?
Perfecto con V-ing
can't I have been krassing? can't you have been krassing? can't she have been krassing? can't we have been krassing? can't you have been krassing? can't they have been krassing?