I can protest you can protest he can protest we can protest you can protest they can protest
Forma con V-ing
I can be protesting you can be protesting he can be protesting we can be protesting you can be protesting they can be protesting
Perfecto
I can have protested you can have protested he can have protested we can have protested you can have protested they can have protested
Perfecto con V-ing
I can have been protesting you can have been protesting he can have been protesting we can have been protesting you can have been protesting they can have been protesting
Negación
Forma simple
I can't protest you can't protest he can't protest we can't protest you can't protest they can't protest
Forma con V-ing
I can't be protesting you can't be protesting he can't be protesting we can't be protesting you can't be protesting they can't be protesting
Perfecto
I can't have protested you can't have protested he can't have protested we can't have protested you can't have protested they can't have protested
Perfecto con V-ing
I can't have been protesting you can't have been protesting he can't have been protesting we can't have been protesting you can't have been protesting they can't have been protesting
Forma interrogativa
Forma simple
can I protest? can you protest? can he protest? can we protest? can you protest? can they protest?
Forma con V-ing
can I be protesting? can you be protesting? can he be protesting? can we be protesting? can you be protesting? can they be protesting?
Perfecto
can I have protested? can you have protested? can he have protested? can we have protested? can you have protested? can they have protested?
Perfecto con V-ing
can I have been protesting? can you have been protesting? can he have been protesting? can we have been protesting? can you have been protesting? can they have been protesting?
Forma interro-negativa
Forma simple
can't I protest? can't you protest? can't he protest? can't we protest? can't you protest? can't they protest?
Forma con V-ing
can't I be protesting? can't you be protesting? can't he be protesting? can't we be protesting? can't you be protesting? can't they be protesting?
Perfecto
can't I have protested? can't you have protested? can't he have protested? can't we have protested? can't you have protested? can't they have protested?
Perfecto con V-ing
can't I have been protesting? can't you have been protesting? can't he have been protesting? can't we have been protesting? can't you have been protesting? can't they have been protesting?