I'd be attacking you'd be attacking she'd be attacking we'd be attacking you'd be attacking they'd be attacking
Perfect
I should've attacked you should've attacked she should've attacked we should've attacked you should've attacked they should've attacked
V-ing perfect
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
Negation
Simple form
I shouldn't attack you shouldn't attack she shouldn't attack we shouldn't attack you shouldn't attack they shouldn't attack
V-ing form
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
Perfect
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
V-ing perfect
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
Interrogative form
Simple form
should I attack? should you attack? should she attack? should we attack? should you attack? should they attack?
V-ing form
should I be attacking? should you be attacking? should she be attacking? should we be attacking? should you be attacking? should they be attacking?
Perfect
should I have attacked? should you have attacked? should she have attacked? should we have attacked? should you have attacked? should they have attacked?
V-ing perfect
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?
Interro-negative form
Simple form
shouldn't I attack? shouldn't you attack? shouldn't she attack? shouldn't we attack? shouldn't you attack? shouldn't they attack?
V-ing form
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?
Perfect
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?
V-ing perfect
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?