must quadruplicate
Verbo regular: quadruplicate - quadruplicated- quadruplicated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must quadruplicate
you must quadruplicate
he must quadruplicate
we must quadruplicate
you must quadruplicate
they must quadruplicate 	I must be quadruplicating
you must be quadruplicating
he must be quadruplicating
we must be quadruplicating
you must be quadruplicating
they must be quadruplicating	I must have quadruplicated
you must have quadruplicated
he must have quadruplicated
we must have quadruplicated
you must have quadruplicated
they must have quadruplicated	I must have been quadruplicating
you must have been quadruplicating
he must have been quadruplicating
we must have been quadruplicating
you must have been quadruplicating
they must have been quadruplicating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not quadruplicate
you must not quadruplicate
he must not quadruplicate
we must not quadruplicate
you must not quadruplicate
they must not quadruplicate 	I must not be quadruplicating
you must not be quadruplicating
he must not be quadruplicating
we must not be quadruplicating
you must not be quadruplicating
they must not be quadruplicating	I must not have quadruplicated
you must not have quadruplicated
he must not have quadruplicated
we must not have quadruplicated
you must not have quadruplicated
they must not have quadruplicated	I must not have been quadruplicating
you must not have been quadruplicating
he must not have been quadruplicating
we must not have been quadruplicating
you must not have been quadruplicating
they must not have been quadruplicating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I quadruplicate?
must you quadruplicate?
must he quadruplicate?
must we quadruplicate?
must you quadruplicate?
must they quadruplicate? 	must I be quadruplicating?
must you be quadruplicating?
must he be quadruplicating?
must we be quadruplicating?
must you be quadruplicating?
must they be quadruplicating? 	must I have quadruplicated?
must you have quadruplicated?
must he have quadruplicated?
must we have quadruplicated?
must you have quadruplicated?
must they have quadruplicated? 	must I have been quadruplicating?
must you have been quadruplicating?
must he have been quadruplicating?
must we have been quadruplicating?
must you have been quadruplicating?
must they have been quadruplicating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not quadruplicate?
must you not quadruplicate?
must he not quadruplicate?
must we not quadruplicate?
must you not quadruplicate?
must they not quadruplicate? 	must I not be quadruplicating?
must you not be quadruplicating?
must he not be quadruplicating?
must we not be quadruplicating?
must you not be quadruplicating?
must they not be quadruplicating? 	must I not have quadruplicated?
must you not have quadruplicated?
must he not have quadruplicated?
must we not have quadruplicated?
must you not have quadruplicated?
must they not have quadruplicated? 	must I not have been quadruplicating?
must you not have been quadruplicating?
must he not have been quadruplicating?
must we not have been quadruplicating?
must you not have been quadruplicating?
must they not have been quadruplicating?