must undeceive
Verbo regular: undeceive - undeceived- undeceived

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must undeceive
you must undeceive
she must undeceive
we must undeceive
you must undeceive
they must undeceive 	I must be undeceiving
you must be undeceiving
she must be undeceiving
we must be undeceiving
you must be undeceiving
they must be undeceiving	I must have undeceived
you must have undeceived
she must have undeceived
we must have undeceived
you must have undeceived
they must have undeceived	I must have been undeceiving
you must have been undeceiving
she must have been undeceiving
we must have been undeceiving
you must have been undeceiving
they must have been undeceiving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not undeceive
you must not undeceive
she must not undeceive
we must not undeceive
you must not undeceive
they must not undeceive 	I must not be undeceiving
you must not be undeceiving
she must not be undeceiving
we must not be undeceiving
you must not be undeceiving
they must not be undeceiving	I must not have undeceived
you must not have undeceived
she must not have undeceived
we must not have undeceived
you must not have undeceived
they must not have undeceived	I must not have been undeceiving
you must not have been undeceiving
she must not have been undeceiving
we must not have been undeceiving
you must not have been undeceiving
they must not have been undeceiving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I undeceive?
must you undeceive?
must she undeceive?
must we undeceive?
must you undeceive?
must they undeceive? 	must I be undeceiving?
must you be undeceiving?
must she be undeceiving?
must we be undeceiving?
must you be undeceiving?
must they be undeceiving? 	must I have undeceived?
must you have undeceived?
must she have undeceived?
must we have undeceived?
must you have undeceived?
must they have undeceived? 	must I have been undeceiving?
must you have been undeceiving?
must she have been undeceiving?
must we have been undeceiving?
must you have been undeceiving?
must they have been undeceiving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not undeceive?
must you not undeceive?
must she not undeceive?
must we not undeceive?
must you not undeceive?
must they not undeceive? 	must I not be undeceiving?
must you not be undeceiving?
must she not be undeceiving?
must we not be undeceiving?
must you not be undeceiving?
must they not be undeceiving? 	must I not have undeceived?
must you not have undeceived?
must she not have undeceived?
must we not have undeceived?
must you not have undeceived?
must they not have undeceived? 	must I not have been undeceiving?
must you not have been undeceiving?
must she not have been undeceiving?
must we not have been undeceiving?
must you not have been undeceiving?
must they not have been undeceiving?