English verb conjugation
CAN UNDECEIVE

Regular verb: undeceive - undeceived - undeceived

Affirmation

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

Negation

Simple form	V-ing form
I cannot undeceive you cannot undeceive she cannot undeceive we cannot undeceive you cannot undeceive they cannot undeceive	I cannot be undeceiving you cannot be undeceiving she cannot be undeceiving we cannot be undeceiving you cannot be undeceiving they cannot be undeceiving
Perfect	V-ing perfect
I cannot have undeceived you cannot have undeceived she cannot have undeceived we cannot have undeceived you cannot have undeceived they cannot have undeceived	I cannot have been undeceiving you cannot have been undeceiving she cannot have been undeceiving we cannot have been undeceiving you cannot have been undeceiving they cannot have been undeceiving

Interrogative form

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

Interro-negative form

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