should undeceive
Regular verb: undeceive - undeceived- undeceived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd undeceive
you'd undeceive
she'd undeceive
we'd undeceive
you'd undeceive
they'd undeceive 	I'd be undeceiving
you'd be undeceiving
she'd be undeceiving
we'd be undeceiving
you'd be undeceiving
they'd be undeceiving	I should've undeceived
you should've undeceived
she 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
she 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
she 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
she 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
she 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
she 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 she undeceive?
should we undeceive?
should you undeceive?
should they undeceive? 	should I be undeceiving?
should you be undeceiving?
should she be undeceiving?
should we be undeceiving?
should you be undeceiving?
should they be undeceiving? 	should I have undeceived?
should you have undeceived?
should she 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 she 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 she 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 she 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 she 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 she have been undeceiving?
shouldn't we have been undeceiving?
shouldn't you have been undeceiving?
shouldn't they have been undeceiving?