must preempt
Verbo regular: preempt - preempted- preempted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not preempt
you must not preempt
he must not preempt
we must not preempt
you must not preempt
they must not preempt 	I must not be preempting
you must not be preempting
he must not be preempting
we must not be preempting
you must not be preempting
they must not be preempting	I must not have preempted
you must not have preempted
he must not have preempted
we must not have preempted
you must not have preempted
they must not have preempted	I must not have been preempting
you must not have been preempting
he must not have been preempting
we must not have been preempting
you must not have been preempting
they must not have been preempting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not preempt?
must you not preempt?
must he not preempt?
must we not preempt?
must you not preempt?
must they not preempt? 	must I not be preempting?
must you not be preempting?
must he not be preempting?
must we not be preempting?
must you not be preempting?
must they not be preempting? 	must I not have preempted?
must you not have preempted?
must he not have preempted?
must we not have preempted?
must you not have preempted?
must they not have preempted? 	must I not have been preempting?
must you not have been preempting?
must he not have been preempting?
must we not have been preempting?
must you not have been preempting?
must they not have been preempting?