should protest
Verbo regular: protest - protested- protested

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should protest
you should protest
he should protest
we should protest
you should protest
they should protest 	I should be protesting
you should be protesting
he should be protesting
we should be protesting
you should be protesting
they should be protesting	I should have protested
you should have protested
he should have protested
we should have protested
you should have protested
they should have protested	I should have been protesting
you should have been protesting
he should have been protesting
we should have been protesting
you should have been protesting
they should have been protesting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not protest
you should not protest
he should not protest
we should not protest
you should not protest
they should not protest 	I should not be protesting
you should not be protesting
he should not be protesting
we should not be protesting
you should not be protesting
they should not be protesting	I should not have protested
you should not have protested
he should not have protested
we should not have protested
you should not have protested
they should not have protested	I should not have been protesting
you should not have been protesting
he should not have been protesting
we should not have been protesting
you should not have been protesting
they should not have been protesting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I protest?
should you protest?
should he protest?
should we protest?
should you protest?
should they protest? 	should I be protesting?
should you be protesting?
should he be protesting?
should we be protesting?
should you be protesting?
should they be protesting? 	should I have protested?
should you have protested?
should he have protested?
should we have protested?
should you have protested?
should they have protested? 	should I have been protesting?
should you have been protesting?
should he have been protesting?
should we have been protesting?
should you have been protesting?
should they have been protesting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not protest?
should you not protest?
should he not protest?
should we not protest?
should you not protest?
should they not protest? 	should I not be protesting?
should you not be protesting?
should he not be protesting?
should we not be protesting?
should you not be protesting?
should they not be protesting? 	should I not have protested?
should you not have protested?
should he not have protested?
should we not have protested?
should you not have protested?
should they not have protested? 	should I not have been protesting?
should you not have been protesting?
should he not have been protesting?
should we not have been protesting?
should you not have been protesting?
should they not have been protesting?