should predate
Regular verb: predate - predated- predated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd predate
you'd predate
he'd predate
we'd predate
you'd predate
they'd predate 	I'd be predating
you'd be predating
he'd be predating
we'd be predating
you'd be predating
they'd be predating	I should've predated
you should've predated
he should've predated
we should've predated
you should've predated
they should've predated	I should've been predating
you should've been predating
he should've been predating
we should've been predating
you should've been predating
they should've been predating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't predate
you shouldn't predate
he shouldn't predate
we shouldn't predate
you shouldn't predate
they shouldn't predate 	I shouldn't be predating
you shouldn't be predating
he shouldn't be predating
we shouldn't be predating
you shouldn't be predating
they shouldn't be predating	I shouldn't have predated
you shouldn't have predated
he shouldn't have predated
we shouldn't have predated
you shouldn't have predated
they shouldn't have predated	I shouldn't have been predating
you shouldn't have been predating
he shouldn't have been predating
we shouldn't have been predating
you shouldn't have been predating
they shouldn't have been predating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I predate?
should you predate?
should he predate?
should we predate?
should you predate?
should they predate? 	should I be predating?
should you be predating?
should he be predating?
should we be predating?
should you be predating?
should they be predating? 	should I have predated?
should you have predated?
should he have predated?
should we have predated?
should you have predated?
should they have predated? 	should I have been predating?
should you have been predating?
should he have been predating?
should we have been predating?
should you have been predating?
should they have been predating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I predate?
shouldn't you predate?
shouldn't he predate?
shouldn't we predate?
shouldn't you predate?
shouldn't they predate? 	shouldn't I be predating?
shouldn't you be predating?
shouldn't he be predating?
shouldn't we be predating?
shouldn't you be predating?
shouldn't they be predating? 	shouldn't I have predated?
shouldn't you have predated?
shouldn't he have predated?
shouldn't we have predated?
shouldn't you have predated?
shouldn't they have predated? 	shouldn't I have been predating?
shouldn't you have been predating?
shouldn't he have been predating?
shouldn't we have been predating?
shouldn't you have been predating?
shouldn't they have been predating?