should undeceive
Regular verb: undeceive - undeceived- undeceived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should undeceive
you should undeceive
she should undeceive
we should undeceive
you should undeceive
they should undeceive 	I should be undeceiving
you should be undeceiving
she should be undeceiving
we should be undeceiving
you should be undeceiving
they should be undeceiving	I should have undeceived
you should have undeceived
she should have undeceived
we should have undeceived
you should have undeceived
they should have undeceived	I should have been undeceiving
you should have been undeceiving
she should have been undeceiving
we should have been undeceiving
you should have been undeceiving
they should have been undeceiving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not undeceive
you should not undeceive
she should not undeceive
we should not undeceive
you should not undeceive
they should not undeceive 	I should not be undeceiving
you should not be undeceiving
she should not be undeceiving
we should not be undeceiving
you should not be undeceiving
they should not be undeceiving	I should not have undeceived
you should not have undeceived
she should not have undeceived
we should not have undeceived
you should not have undeceived
they should not have undeceived	I should not have been undeceiving
you should not have been undeceiving
she should not have been undeceiving
we should not have been undeceiving
you should not have been undeceiving
they should not 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 	
should I not undeceive?
should you not undeceive?
should she not undeceive?
should we not undeceive?
should you not undeceive?
should they not undeceive? 	should I not be undeceiving?
should you not be undeceiving?
should she not be undeceiving?
should we not be undeceiving?
should you not be undeceiving?
should they not be undeceiving? 	should I not have undeceived?
should you not have undeceived?
should she not have undeceived?
should we not have undeceived?
should you not have undeceived?
should they not have undeceived? 	should I not have been undeceiving?
should you not have been undeceiving?
should she not have been undeceiving?
should we not have been undeceiving?
should you not have been undeceiving?
should they not have been undeceiving?