should subpoena
Regular verb: subpoena - subpoenaed- subpoenaed

Affirmation 	
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I'd subpoena
you'd subpoena
she'd subpoena
we'd subpoena
you'd subpoena
they'd subpoena 	I'd be subpoenaing
you'd be subpoenaing
she'd be subpoenaing
we'd be subpoenaing
you'd be subpoenaing
they'd be subpoenaing	I should've subpoenaed
you should've subpoenaed
she should've subpoenaed
we should've subpoenaed
you should've subpoenaed
they should've subpoenaed	I should've been subpoenaing
you should've been subpoenaing
she should've been subpoenaing
we should've been subpoenaing
you should've been subpoenaing
they should've been subpoenaing	

Negation 	
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I shouldn't subpoena
you shouldn't subpoena
she shouldn't subpoena
we shouldn't subpoena
you shouldn't subpoena
they shouldn't subpoena 	I shouldn't be subpoenaing
you shouldn't be subpoenaing
she shouldn't be subpoenaing
we shouldn't be subpoenaing
you shouldn't be subpoenaing
they shouldn't be subpoenaing	I shouldn't have subpoenaed
you shouldn't have subpoenaed
she shouldn't have subpoenaed
we shouldn't have subpoenaed
you shouldn't have subpoenaed
they shouldn't have subpoenaed	I shouldn't have been subpoenaing
you shouldn't have been subpoenaing
she shouldn't have been subpoenaing
we shouldn't have been subpoenaing
you shouldn't have been subpoenaing
they shouldn't have been subpoenaing	

Interrogative form 	
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should I subpoena?
should you subpoena?
should she subpoena?
should we subpoena?
should you subpoena?
should they subpoena? 	should I be subpoenaing?
should you be subpoenaing?
should she be subpoenaing?
should we be subpoenaing?
should you be subpoenaing?
should they be subpoenaing? 	should I have subpoenaed?
should you have subpoenaed?
should she have subpoenaed?
should we have subpoenaed?
should you have subpoenaed?
should they have subpoenaed? 	should I have been subpoenaing?
should you have been subpoenaing?
should she have been subpoenaing?
should we have been subpoenaing?
should you have been subpoenaing?
should they have been subpoenaing? 	

Interro-negative form 	
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shouldn't I subpoena?
shouldn't you subpoena?
shouldn't she subpoena?
shouldn't we subpoena?
shouldn't you subpoena?
shouldn't they subpoena? 	shouldn't I be subpoenaing?
shouldn't you be subpoenaing?
shouldn't she be subpoenaing?
shouldn't we be subpoenaing?
shouldn't you be subpoenaing?
shouldn't they be subpoenaing? 	shouldn't I have subpoenaed?
shouldn't you have subpoenaed?
shouldn't she have subpoenaed?
shouldn't we have subpoenaed?
shouldn't you have subpoenaed?
shouldn't they have subpoenaed? 	shouldn't I have been subpoenaing?
shouldn't you have been subpoenaing?
shouldn't she have been subpoenaing?
shouldn't we have been subpoenaing?
shouldn't you have been subpoenaing?
shouldn't they have been subpoenaing?