may quadruplicate
Regular verb: quadruplicate - quadruplicated- quadruplicated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may quadruplicate
you may quadruplicate
he may quadruplicate
we may quadruplicate
you may quadruplicate
they may quadruplicate 	I may be quadruplicating
you may be quadruplicating
he may be quadruplicating
we may be quadruplicating
you may be quadruplicating
they may be quadruplicating	I may have quadruplicated
you may have quadruplicated
he may have quadruplicated
we may have quadruplicated
you may have quadruplicated
they may have quadruplicated	I may have been quadruplicating
you may have been quadruplicating
he may have been quadruplicating
we may have been quadruplicating
you may have been quadruplicating
they may have been quadruplicating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not quadruplicate
you may not quadruplicate
he may not quadruplicate
we may not quadruplicate
you may not quadruplicate
they may not quadruplicate 	I may not be quadruplicating
you may not be quadruplicating
he may not be quadruplicating
we may not be quadruplicating
you may not be quadruplicating
they may not be quadruplicating	I may not have quadruplicated
you may not have quadruplicated
he may not have quadruplicated
we may not have quadruplicated
you may not have quadruplicated
they may not have quadruplicated	I may not have been quadruplicating
you may not have been quadruplicating
he may not have been quadruplicating
we may not have been quadruplicating
you may not have been quadruplicating
they may not have been quadruplicating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I quadruplicate?
may you quadruplicate?
may he quadruplicate?
may we quadruplicate?
may you quadruplicate?
may they quadruplicate? 	may I be quadruplicating?
may you be quadruplicating?
may he be quadruplicating?
may we be quadruplicating?
may you be quadruplicating?
may they be quadruplicating? 	may I have quadruplicated?
may you have quadruplicated?
may he have quadruplicated?
may we have quadruplicated?
may you have quadruplicated?
may they have quadruplicated? 	may I have been quadruplicating?
may you have been quadruplicating?
may he have been quadruplicating?
may we have been quadruplicating?
may you have been quadruplicating?
may they have been quadruplicating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not quadruplicate?
may you not quadruplicate?
may he not quadruplicate?
may we not quadruplicate?
may you not quadruplicate?
may they not quadruplicate? 	may I not be quadruplicating?
may you not be quadruplicating?
may he not be quadruplicating?
may we not be quadruplicating?
may you not be quadruplicating?
may they not be quadruplicating? 	may I not have quadruplicated?
may you not have quadruplicated?
may he not have quadruplicated?
may we not have quadruplicated?
may you not have quadruplicated?
may they not have quadruplicated? 	may I not have been quadruplicating?
may you not have been quadruplicating?
may he not have been quadruplicating?
may we not have been quadruplicating?
may you not have been quadruplicating?
may they not have been quadruplicating?