should negate
Regular verb: negate - negated- negated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd negate
you'd negate
she'd negate
we'd negate
you'd negate
they'd negate 	I'd be negating
you'd be negating
she'd be negating
we'd be negating
you'd be negating
they'd be negating	I should've negated
you should've negated
she should've negated
we should've negated
you should've negated
they should've negated	I should've been negating
you should've been negating
she should've been negating
we should've been negating
you should've been negating
they should've been negating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't negate
you shouldn't negate
she shouldn't negate
we shouldn't negate
you shouldn't negate
they shouldn't negate 	I shouldn't be negating
you shouldn't be negating
she shouldn't be negating
we shouldn't be negating
you shouldn't be negating
they shouldn't be negating	I shouldn't have negated
you shouldn't have negated
she shouldn't have negated
we shouldn't have negated
you shouldn't have negated
they shouldn't have negated	I shouldn't have been negating
you shouldn't have been negating
she 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 	V-ing form 	Perfect 	V-ing perfect 	
should I negate?
should you negate?
should she negate?
should we negate?
should you negate?
should they negate? 	should I be negating?
should you be negating?
should she be negating?
should we be negating?
should you be negating?
should they be negating? 	should I have negated?
should you have negated?
should she have negated?
should we have negated?
should you have negated?
should they have negated? 	should I have been negating?
should you have been negating?
should she have been negating?
should we have been negating?
should you have been negating?
should they have been negating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I negate?
shouldn't you negate?
shouldn't she negate?
shouldn't we negate?
shouldn't you negate?
shouldn't they negate? 	shouldn't I be negating?
shouldn't you be negating?
shouldn't she be negating?
shouldn't we be negating?
shouldn't you be negating?
shouldn't they be negating? 	shouldn't I have negated?
shouldn't you have negated?
shouldn't she have negated?
shouldn't we have negated?
shouldn't you have negated?
shouldn't they have negated? 	shouldn't I have been negating?
shouldn't you have been negating?
shouldn't she have been negating?
shouldn't we have been negating?
shouldn't you have been negating?
shouldn't they have been negating?