I'd be negating you'd be negating he'd be negating we'd be negating you'd be negating they'd be negating
Perfect
I should've negated you should've negated he should've negated we should've negated you should've negated they should've negated
V-ing perfect
I should've been negating you should've been negating he should've been negating we should've been negating you should've been negating they should've been negating
Negation
Simple form
I shouldn't negate you shouldn't negate he shouldn't negate we shouldn't negate you shouldn't negate they shouldn't negate
V-ing form
I shouldn't be negating you shouldn't be negating he shouldn't be negating we shouldn't be negating you shouldn't be negating they shouldn't be negating
Perfect
I shouldn't have negated you shouldn't have negated he shouldn't have negated we shouldn't have negated you shouldn't have negated they shouldn't have negated
V-ing perfect
I shouldn't have been negating you shouldn't have been negating he shouldn't have been negating we shouldn't have been negating you shouldn't have been negating they shouldn't have been negating
Interrogative form
Simple form
should I negate? should you negate? should he negate? should we negate? should you negate? should they negate?
V-ing form
should I be negating? should you be negating? should he be negating? should we be negating? should you be negating? should they be negating?
Perfect
should I have negated? should you have negated? should he have negated? should we have negated? should you have negated? should they have negated?
V-ing perfect
should I have been negating? should you have been negating? should he have been negating? should we have been negating? should you have been negating? should they have been negating?
Interro-negative form
Simple form
shouldn't I negate? shouldn't you negate? shouldn't he negate? shouldn't we negate? shouldn't you negate? shouldn't they negate?
V-ing form
shouldn't I be negating? shouldn't you be negating? shouldn't he be negating? shouldn't we be negating? shouldn't you be negating? shouldn't they be negating?
Perfect
shouldn't I have negated? shouldn't you have negated? shouldn't he have negated? shouldn't we have negated? shouldn't you have negated? shouldn't they have negated?
V-ing perfect
shouldn't I have been negating? shouldn't you have been negating? shouldn't he have been negating? shouldn't we have been negating? shouldn't you have been negating? shouldn't they have been negating?