must kill
Verbo regular: kill - killed- killed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must kill
you must kill
she must kill
we must kill
you must kill
they must kill 	I must be killing
you must be killing
she must be killing
we must be killing
you must be killing
they must be killing	I must have killed
you must have killed
she must have killed
we must have killed
you must have killed
they must have killed	I must have been killing
you must have been killing
she must have been killing
we must have been killing
you must have been killing
they must have been killing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not kill
you must not kill
she must not kill
we must not kill
you must not kill
they must not kill 	I must not be killing
you must not be killing
she must not be killing
we must not be killing
you must not be killing
they must not be killing	I must not have killed
you must not have killed
she must not have killed
we must not have killed
you must not have killed
they must not have killed	I must not have been killing
you must not have been killing
she must not have been killing
we must not have been killing
you must not have been killing
they must not have been killing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I kill?
must you kill?
must she kill?
must we kill?
must you kill?
must they kill? 	must I be killing?
must you be killing?
must she be killing?
must we be killing?
must you be killing?
must they be killing? 	must I have killed?
must you have killed?
must she have killed?
must we have killed?
must you have killed?
must they have killed? 	must I have been killing?
must you have been killing?
must she have been killing?
must we have been killing?
must you have been killing?
must they have been killing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not kill?
must you not kill?
must she not kill?
must we not kill?
must you not kill?
must they not kill? 	must I not be killing?
must you not be killing?
must she not be killing?
must we not be killing?
must you not be killing?
must they not be killing? 	must I not have killed?
must you not have killed?
must she not have killed?
must we not have killed?
must you not have killed?
must they not have killed? 	must I not have been killing?
must you not have been killing?
must she not have been killing?
must we not have been killing?
must you not have been killing?
must they not have been killing?