must slaughter
Verbo regular: slaughter - slaughtered- slaughtered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must slaughter
you must slaughter
he must slaughter
we must slaughter
you must slaughter
they must slaughter 	I must be slaughtering
you must be slaughtering
he must be slaughtering
we must be slaughtering
you must be slaughtering
they must be slaughtering	I must have slaughtered
you must have slaughtered
he must have slaughtered
we must have slaughtered
you must have slaughtered
they must have slaughtered	I must have been slaughtering
you must have been slaughtering
he must have been slaughtering
we must have been slaughtering
you must have been slaughtering
they must have been slaughtering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not slaughter
you must not slaughter
he must not slaughter
we must not slaughter
you must not slaughter
they must not slaughter 	I must not be slaughtering
you must not be slaughtering
he must not be slaughtering
we must not be slaughtering
you must not be slaughtering
they must not be slaughtering	I must not have slaughtered
you must not have slaughtered
he must not have slaughtered
we must not have slaughtered
you must not have slaughtered
they must not have slaughtered	I must not have been slaughtering
you must not have been slaughtering
he must not have been slaughtering
we must not have been slaughtering
you must not have been slaughtering
they must not have been slaughtering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I slaughter?
must you slaughter?
must he slaughter?
must we slaughter?
must you slaughter?
must they slaughter? 	must I be slaughtering?
must you be slaughtering?
must he be slaughtering?
must we be slaughtering?
must you be slaughtering?
must they be slaughtering? 	must I have slaughtered?
must you have slaughtered?
must he have slaughtered?
must we have slaughtered?
must you have slaughtered?
must they have slaughtered? 	must I have been slaughtering?
must you have been slaughtering?
must he have been slaughtering?
must we have been slaughtering?
must you have been slaughtering?
must they have been slaughtering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not slaughter?
must you not slaughter?
must he not slaughter?
must we not slaughter?
must you not slaughter?
must they not slaughter? 	must I not be slaughtering?
must you not be slaughtering?
must he not be slaughtering?
must we not be slaughtering?
must you not be slaughtering?
must they not be slaughtering? 	must I not have slaughtered?
must you not have slaughtered?
must he not have slaughtered?
must we not have slaughtered?
must you not have slaughtered?
must they not have slaughtered? 	must I not have been slaughtering?
must you not have been slaughtering?
must he not have been slaughtering?
must we not have been slaughtering?
must you not have been slaughtering?
must they not have been slaughtering?