must preempt
Verbo regular: preempt - preempted- preempted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must preempt
you must preempt
he must preempt
we must preempt
you must preempt
they must preempt 	I must be preempting
you must be preempting
he must be preempting
we must be preempting
you must be preempting
they must be preempting	I must have preempted
you must have preempted
he must have preempted
we must have preempted
you must have preempted
they must have preempted	I must have been preempting
you must have been preempting
he must have been preempting
we must have been preempting
you must have been preempting
they must have been preempting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't preempt
you mustn't preempt
he mustn't preempt
we mustn't preempt
you mustn't preempt
they mustn't preempt 	I mustn't be preempting
you mustn't be preempting
he mustn't be preempting
we mustn't be preempting
you mustn't be preempting
they mustn't be preempting	I mustn't have preempted
you mustn't have preempted
he mustn't have preempted
we mustn't have preempted
you mustn't have preempted
they mustn't have preempted	I mustn't have been preempting
you mustn't have been preempting
he mustn't have been preempting
we mustn't have been preempting
you mustn't have been preempting
they mustn't have been preempting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I preempt?
must you preempt?
must he preempt?
must we preempt?
must you preempt?
must they preempt? 	must I be preempting?
must you be preempting?
must he be preempting?
must we be preempting?
must you be preempting?
must they be preempting? 	must I have preempted?
must you have preempted?
must he have preempted?
must we have preempted?
must you have preempted?
must they have preempted? 	must I have been preempting?
must you have been preempting?
must he have been preempting?
must we have been preempting?
must you have been preempting?
must they have been preempting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I preempt?
mustn't you preempt?
mustn't he preempt?
mustn't we preempt?
mustn't you preempt?
mustn't they preempt? 	mustn't I be preempting?
mustn't you be preempting?
mustn't he be preempting?
mustn't we be preempting?
mustn't you be preempting?
mustn't they be preempting? 	mustn't I have preempted?
mustn't you have preempted?
mustn't he have preempted?
mustn't we have preempted?
mustn't you have preempted?
mustn't they have preempted? 	mustn't I have been preempting?
mustn't you have been preempting?
mustn't he have been preempting?
mustn't we have been preempting?
mustn't you have been preempting?
mustn't they have been preempting?