should quadruplicate
Regular verb: quadruplicate - quadruplicated- quadruplicated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd quadruplicate
you'd quadruplicate
she'd quadruplicate
we'd quadruplicate
you'd quadruplicate
they'd quadruplicate 	I'd be quadruplicating
you'd be quadruplicating
she'd be quadruplicating
we'd be quadruplicating
you'd be quadruplicating
they'd be quadruplicating	I should've quadruplicated
you should've quadruplicated
she 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
she 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
she 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
she 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
she 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
she 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 she quadruplicate?
should we quadruplicate?
should you quadruplicate?
should they quadruplicate? 	should I be quadruplicating?
should you be quadruplicating?
should she be quadruplicating?
should we be quadruplicating?
should you be quadruplicating?
should they be quadruplicating? 	should I have quadruplicated?
should you have quadruplicated?
should she 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 she 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 she 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 she 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 she 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 she have been quadruplicating?
shouldn't we have been quadruplicating?
shouldn't you have been quadruplicating?
shouldn't they have been quadruplicating?