should attack
Verbo regular: attack - attacked- attacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should attack
you should attack
she should attack
we should attack
you should attack
they should attack 	I should be attacking
you should be attacking
she should be attacking
we should be attacking
you should be attacking
they should be attacking	I should have attacked
you should have attacked
she should have attacked
we should have attacked
you should have attacked
they should have attacked	I should have been attacking
you should have been attacking
she should have been attacking
we should have been attacking
you should have been attacking
they should have been attacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not attack
you should not attack
she should not attack
we should not attack
you should not attack
they should not attack 	I should not be attacking
you should not be attacking
she should not be attacking
we should not be attacking
you should not be attacking
they should not be attacking	I should not have attacked
you should not have attacked
she should not have attacked
we should not have attacked
you should not have attacked
they should not have attacked	I should not have been attacking
you should not have been attacking
she should not have been attacking
we should not have been attacking
you should not have been attacking
they should not have been attacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I attack?
should you attack?
should she attack?
should we attack?
should you attack?
should they attack? 	should I be attacking?
should you be attacking?
should she be attacking?
should we be attacking?
should you be attacking?
should they be attacking? 	should I have attacked?
should you have attacked?
should she have attacked?
should we have attacked?
should you have attacked?
should they have attacked? 	should I have been attacking?
should you have been attacking?
should she have been attacking?
should we have been attacking?
should you have been attacking?
should they have been attacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not attack?
should you not attack?
should she not attack?
should we not attack?
should you not attack?
should they not attack? 	should I not be attacking?
should you not be attacking?
should she not be attacking?
should we not be attacking?
should you not be attacking?
should they not be attacking? 	should I not have attacked?
should you not have attacked?
should she not have attacked?
should we not have attacked?
should you not have attacked?
should they not have attacked? 	should I not have been attacking?
should you not have been attacking?
should she not have been attacking?
should we not have been attacking?
should you not have been attacking?
should they not have been attacking?