must preinscribe
Verbo regular: preinscribe - preinscribed- preinscribed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must preinscribe
you must preinscribe
he must preinscribe
we must preinscribe
you must preinscribe
they must preinscribe 	I must be preinscribing
you must be preinscribing
he must be preinscribing
we must be preinscribing
you must be preinscribing
they must be preinscribing	I must have preinscribed
you must have preinscribed
he must have preinscribed
we must have preinscribed
you must have preinscribed
they must have preinscribed	I must have been preinscribing
you must have been preinscribing
he must have been preinscribing
we must have been preinscribing
you must have been preinscribing
they must have been preinscribing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't preinscribe
you mustn't preinscribe
he mustn't preinscribe
we mustn't preinscribe
you mustn't preinscribe
they mustn't preinscribe 	I mustn't be preinscribing
you mustn't be preinscribing
he mustn't be preinscribing
we mustn't be preinscribing
you mustn't be preinscribing
they mustn't be preinscribing	I mustn't have preinscribed
you mustn't have preinscribed
he mustn't have preinscribed
we mustn't have preinscribed
you mustn't have preinscribed
they mustn't have preinscribed	I mustn't have been preinscribing
you mustn't have been preinscribing
he mustn't have been preinscribing
we mustn't have been preinscribing
you mustn't have been preinscribing
they mustn't have been preinscribing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I preinscribe?
must you preinscribe?
must he preinscribe?
must we preinscribe?
must you preinscribe?
must they preinscribe? 	must I be preinscribing?
must you be preinscribing?
must he be preinscribing?
must we be preinscribing?
must you be preinscribing?
must they be preinscribing? 	must I have preinscribed?
must you have preinscribed?
must he have preinscribed?
must we have preinscribed?
must you have preinscribed?
must they have preinscribed? 	must I have been preinscribing?
must you have been preinscribing?
must he have been preinscribing?
must we have been preinscribing?
must you have been preinscribing?
must they have been preinscribing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I preinscribe?
mustn't you preinscribe?
mustn't he preinscribe?
mustn't we preinscribe?
mustn't you preinscribe?
mustn't they preinscribe? 	mustn't I be preinscribing?
mustn't you be preinscribing?
mustn't he be preinscribing?
mustn't we be preinscribing?
mustn't you be preinscribing?
mustn't they be preinscribing? 	mustn't I have preinscribed?
mustn't you have preinscribed?
mustn't he have preinscribed?
mustn't we have preinscribed?
mustn't you have preinscribed?
mustn't they have preinscribed? 	mustn't I have been preinscribing?
mustn't you have been preinscribing?
mustn't he have been preinscribing?
mustn't we have been preinscribing?
mustn't you have been preinscribing?
mustn't they have been preinscribing?