can quadruplicate
Regular verb: quadruplicate - quadruplicated- quadruplicated

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

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

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

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