must exterminate
Verbo regular: exterminate - exterminated- exterminated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must exterminate
you must exterminate
he must exterminate
we must exterminate
you must exterminate
they must exterminate 	I must be exterminating
you must be exterminating
he must be exterminating
we must be exterminating
you must be exterminating
they must be exterminating	I must have exterminated
you must have exterminated
he must have exterminated
we must have exterminated
you must have exterminated
they must have exterminated	I must have been exterminating
you must have been exterminating
he must have been exterminating
we must have been exterminating
you must have been exterminating
they must have been exterminating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not exterminate
you must not exterminate
he must not exterminate
we must not exterminate
you must not exterminate
they must not exterminate 	I must not be exterminating
you must not be exterminating
he must not be exterminating
we must not be exterminating
you must not be exterminating
they must not be exterminating	I must not have exterminated
you must not have exterminated
he must not have exterminated
we must not have exterminated
you must not have exterminated
they must not have exterminated	I must not have been exterminating
you must not have been exterminating
he must not have been exterminating
we must not have been exterminating
you must not have been exterminating
they must not have been exterminating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I exterminate?
must you exterminate?
must he exterminate?
must we exterminate?
must you exterminate?
must they exterminate? 	must I be exterminating?
must you be exterminating?
must he be exterminating?
must we be exterminating?
must you be exterminating?
must they be exterminating? 	must I have exterminated?
must you have exterminated?
must he have exterminated?
must we have exterminated?
must you have exterminated?
must they have exterminated? 	must I have been exterminating?
must you have been exterminating?
must he have been exterminating?
must we have been exterminating?
must you have been exterminating?
must they have been exterminating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not exterminate?
must you not exterminate?
must he not exterminate?
must we not exterminate?
must you not exterminate?
must they not exterminate? 	must I not be exterminating?
must you not be exterminating?
must he not be exterminating?
must we not be exterminating?
must you not be exterminating?
must they not be exterminating? 	must I not have exterminated?
must you not have exterminated?
must he not have exterminated?
must we not have exterminated?
must you not have exterminated?
must they not have exterminated? 	must I not have been exterminating?
must you not have been exterminating?
must he not have been exterminating?
must we not have been exterminating?
must you not have been exterminating?
must they not have been exterminating?