should attack
Verbo regular: attack - attacked- attacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd attack
you'd attack
she'd attack
we'd attack
you'd attack
they'd attack 	I'd be attacking
you'd be attacking
she'd be attacking
we'd be attacking
you'd be attacking
they'd be attacking	I should've attacked
you should've attacked
she should've attacked
we should've attacked
you should've attacked
they should've attacked	I should've been attacking
you should've been attacking
she should've been attacking
we should've been attacking
you should've been attacking
they should've been attacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't attack
you shouldn't attack
she shouldn't attack
we shouldn't attack
you shouldn't attack
they shouldn't attack 	I shouldn't be attacking
you shouldn't be attacking
she shouldn't be attacking
we shouldn't be attacking
you shouldn't be attacking
they shouldn't be attacking	I shouldn't have attacked
you shouldn't have attacked
she shouldn't have attacked
we shouldn't have attacked
you shouldn't have attacked
they shouldn't have attacked	I shouldn't have been attacking
you shouldn't have been attacking
she shouldn't have been attacking
we shouldn't have been attacking
you shouldn't have been attacking
they shouldn't have been attacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I attack?
shouldn't you attack?
shouldn't she attack?
shouldn't we attack?
shouldn't you attack?
shouldn't they attack? 	shouldn't I be attacking?
shouldn't you be attacking?
shouldn't she be attacking?
shouldn't we be attacking?
shouldn't you be attacking?
shouldn't they be attacking? 	shouldn't I have attacked?
shouldn't you have attacked?
shouldn't she have attacked?
shouldn't we have attacked?
shouldn't you have attacked?
shouldn't they have attacked? 	shouldn't I have been attacking?
shouldn't you have been attacking?
shouldn't she have been attacking?
shouldn't we have been attacking?
shouldn't you have been attacking?
shouldn't they have been attacking?