English verb conjugation
CAN UNDECEIVE

Regular verb: undeceive - undeceived - undeceived

Affirmation

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

Interrogative form

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