should preconceive
Regular verb: preconceive - preconceived- preconceived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd preconceive
you'd preconceive
he'd preconceive
we'd preconceive
you'd preconceive
they'd preconceive 	I'd be preconceiving
you'd be preconceiving
he'd be preconceiving
we'd be preconceiving
you'd be preconceiving
they'd be preconceiving	I should've preconceived
you should've preconceived
he should've preconceived
we should've preconceived
you should've preconceived
they should've preconceived	I should've been preconceiving
you should've been preconceiving
he should've been preconceiving
we should've been preconceiving
you should've been preconceiving
they should've been preconceiving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't preconceive
you shouldn't preconceive
he shouldn't preconceive
we shouldn't preconceive
you shouldn't preconceive
they shouldn't preconceive 	I shouldn't be preconceiving
you shouldn't be preconceiving
he shouldn't be preconceiving
we shouldn't be preconceiving
you shouldn't be preconceiving
they shouldn't be preconceiving	I shouldn't have preconceived
you shouldn't have preconceived
he shouldn't have preconceived
we shouldn't have preconceived
you shouldn't have preconceived
they shouldn't have preconceived	I shouldn't have been preconceiving
you shouldn't have been preconceiving
he shouldn't have been preconceiving
we shouldn't have been preconceiving
you shouldn't have been preconceiving
they shouldn't have been preconceiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I preconceive?
should you preconceive?
should he preconceive?
should we preconceive?
should you preconceive?
should they preconceive? 	should I be preconceiving?
should you be preconceiving?
should he be preconceiving?
should we be preconceiving?
should you be preconceiving?
should they be preconceiving? 	should I have preconceived?
should you have preconceived?
should he have preconceived?
should we have preconceived?
should you have preconceived?
should they have preconceived? 	should I have been preconceiving?
should you have been preconceiving?
should he have been preconceiving?
should we have been preconceiving?
should you have been preconceiving?
should they have been preconceiving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I preconceive?
shouldn't you preconceive?
shouldn't he preconceive?
shouldn't we preconceive?
shouldn't you preconceive?
shouldn't they preconceive? 	shouldn't I be preconceiving?
shouldn't you be preconceiving?
shouldn't he be preconceiving?
shouldn't we be preconceiving?
shouldn't you be preconceiving?
shouldn't they be preconceiving? 	shouldn't I have preconceived?
shouldn't you have preconceived?
shouldn't he have preconceived?
shouldn't we have preconceived?
shouldn't you have preconceived?
shouldn't they have preconceived? 	shouldn't I have been preconceiving?
shouldn't you have been preconceiving?
shouldn't he have been preconceiving?
shouldn't we have been preconceiving?
shouldn't you have been preconceiving?
shouldn't they have been preconceiving?