should duplicate
Regular verb: duplicate - duplicated- duplicated

Affirmation 	
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I'd duplicate
you'd duplicate
she'd duplicate
we'd duplicate
you'd duplicate
they'd duplicate 	I'd be duplicating
you'd be duplicating
she'd be duplicating
we'd be duplicating
you'd be duplicating
they'd be duplicating	I should've duplicated
you should've duplicated
she should've duplicated
we should've duplicated
you should've duplicated
they should've duplicated	I should've been duplicating
you should've been duplicating
she should've been duplicating
we should've been duplicating
you should've been duplicating
they should've been duplicating	

Negation 	
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I shouldn't duplicate
you shouldn't duplicate
she shouldn't duplicate
we shouldn't duplicate
you shouldn't duplicate
they shouldn't duplicate 	I shouldn't be duplicating
you shouldn't be duplicating
she shouldn't be duplicating
we shouldn't be duplicating
you shouldn't be duplicating
they shouldn't be duplicating	I shouldn't have duplicated
you shouldn't have duplicated
she shouldn't have duplicated
we shouldn't have duplicated
you shouldn't have duplicated
they shouldn't have duplicated	I shouldn't have been duplicating
you shouldn't have been duplicating
she shouldn't have been duplicating
we shouldn't have been duplicating
you shouldn't have been duplicating
they shouldn't have been duplicating	

Interrogative form 	
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should I duplicate?
should you duplicate?
should she duplicate?
should we duplicate?
should you duplicate?
should they duplicate? 	should I be duplicating?
should you be duplicating?
should she be duplicating?
should we be duplicating?
should you be duplicating?
should they be duplicating? 	should I have duplicated?
should you have duplicated?
should she have duplicated?
should we have duplicated?
should you have duplicated?
should they have duplicated? 	should I have been duplicating?
should you have been duplicating?
should she have been duplicating?
should we have been duplicating?
should you have been duplicating?
should they have been duplicating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I duplicate?
shouldn't you duplicate?
shouldn't she duplicate?
shouldn't we duplicate?
shouldn't you duplicate?
shouldn't they duplicate? 	shouldn't I be duplicating?
shouldn't you be duplicating?
shouldn't she be duplicating?
shouldn't we be duplicating?
shouldn't you be duplicating?
shouldn't they be duplicating? 	shouldn't I have duplicated?
shouldn't you have duplicated?
shouldn't she have duplicated?
shouldn't we have duplicated?
shouldn't you have duplicated?
shouldn't they have duplicated? 	shouldn't I have been duplicating?
shouldn't you have been duplicating?
shouldn't she have been duplicating?
shouldn't we have been duplicating?
shouldn't you have been duplicating?
shouldn't they have been duplicating?