should undeceive
Regular verb: undeceive - undeceived- undeceived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd undeceive
you'd undeceive
he'd undeceive
we'd undeceive
you'd undeceive
they'd undeceive 	I'd be undeceiving
you'd be undeceiving
he'd be undeceiving
we'd be undeceiving
you'd be undeceiving
they'd be undeceiving	I should've undeceived
you should've undeceived
he should've undeceived
we should've undeceived
you should've undeceived
they should've undeceived	I should've been undeceiving
you should've been undeceiving
he should've been undeceiving
we should've been undeceiving
you should've been undeceiving
they should've been undeceiving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't undeceive
you shouldn't undeceive
he shouldn't undeceive
we shouldn't undeceive
you shouldn't undeceive
they shouldn't undeceive 	I shouldn't be undeceiving
you shouldn't be undeceiving
he shouldn't be undeceiving
we shouldn't be undeceiving
you shouldn't be undeceiving
they shouldn't be undeceiving	I shouldn't have undeceived
you shouldn't have undeceived
he shouldn't have undeceived
we shouldn't have undeceived
you shouldn't have undeceived
they shouldn't have undeceived	I shouldn't have been undeceiving
you shouldn't have been undeceiving
he shouldn't have been undeceiving
we shouldn't have been undeceiving
you shouldn't have been undeceiving
they shouldn't have been undeceiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I undeceive?
should you undeceive?
should he undeceive?
should we undeceive?
should you undeceive?
should they undeceive? 	should I be undeceiving?
should you be undeceiving?
should he be undeceiving?
should we be undeceiving?
should you be undeceiving?
should they be undeceiving? 	should I have undeceived?
should you have undeceived?
should he have undeceived?
should we have undeceived?
should you have undeceived?
should they have undeceived? 	should I have been undeceiving?
should you have been undeceiving?
should he have been undeceiving?
should we have been undeceiving?
should you have been undeceiving?
should they have been undeceiving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I undeceive?
shouldn't you undeceive?
shouldn't he undeceive?
shouldn't we undeceive?
shouldn't you undeceive?
shouldn't they undeceive? 	shouldn't I be undeceiving?
shouldn't you be undeceiving?
shouldn't he be undeceiving?
shouldn't we be undeceiving?
shouldn't you be undeceiving?
shouldn't they be undeceiving? 	shouldn't I have undeceived?
shouldn't you have undeceived?
shouldn't he have undeceived?
shouldn't we have undeceived?
shouldn't you have undeceived?
shouldn't they have undeceived? 	shouldn't I have been undeceiving?
shouldn't you have been undeceiving?
shouldn't he have been undeceiving?
shouldn't we have been undeceiving?
shouldn't you have been undeceiving?
shouldn't they have been undeceiving?