must lacerate
Verbo regular: lacerate - lacerated- lacerated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must lacerate
you must lacerate
he must lacerate
we must lacerate
you must lacerate
they must lacerate 	I must be lacerating
you must be lacerating
he must be lacerating
we must be lacerating
you must be lacerating
they must be lacerating	I must have lacerated
you must have lacerated
he must have lacerated
we must have lacerated
you must have lacerated
they must have lacerated	I must have been lacerating
you must have been lacerating
he must have been lacerating
we must have been lacerating
you must have been lacerating
they must have been lacerating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not lacerate
you must not lacerate
he must not lacerate
we must not lacerate
you must not lacerate
they must not lacerate 	I must not be lacerating
you must not be lacerating
he must not be lacerating
we must not be lacerating
you must not be lacerating
they must not be lacerating	I must not have lacerated
you must not have lacerated
he must not have lacerated
we must not have lacerated
you must not have lacerated
they must not have lacerated	I must not have been lacerating
you must not have been lacerating
he must not have been lacerating
we must not have been lacerating
you must not have been lacerating
they must not have been lacerating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I lacerate?
must you lacerate?
must he lacerate?
must we lacerate?
must you lacerate?
must they lacerate? 	must I be lacerating?
must you be lacerating?
must he be lacerating?
must we be lacerating?
must you be lacerating?
must they be lacerating? 	must I have lacerated?
must you have lacerated?
must he have lacerated?
must we have lacerated?
must you have lacerated?
must they have lacerated? 	must I have been lacerating?
must you have been lacerating?
must he have been lacerating?
must we have been lacerating?
must you have been lacerating?
must they have been lacerating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not lacerate?
must you not lacerate?
must he not lacerate?
must we not lacerate?
must you not lacerate?
must they not lacerate? 	must I not be lacerating?
must you not be lacerating?
must he not be lacerating?
must we not be lacerating?
must you not be lacerating?
must they not be lacerating? 	must I not have lacerated?
must you not have lacerated?
must he not have lacerated?
must we not have lacerated?
must you not have lacerated?
must they not have lacerated? 	must I not have been lacerating?
must you not have been lacerating?
must he not have been lacerating?
must we not have been lacerating?
must you not have been lacerating?
must they not have been lacerating?