should quadruplicate
Regular verb: quadruplicate - quadruplicated- quadruplicated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd quadruplicate
you'd quadruplicate
he'd quadruplicate
we'd quadruplicate
you'd quadruplicate
they'd quadruplicate 	I'd be quadruplicating
you'd be quadruplicating
he'd be quadruplicating
we'd be quadruplicating
you'd be quadruplicating
they'd be quadruplicating	I should've quadruplicated
you should've quadruplicated
he should've quadruplicated
we should've quadruplicated
you should've quadruplicated
they should've quadruplicated	I should've been quadruplicating
you should've been quadruplicating
he should've been quadruplicating
we should've been quadruplicating
you should've been quadruplicating
they should've been quadruplicating	

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

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

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