should quiz
Regular verb: quiz - quizzed- quizzed

Affirmation 	
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I'd quiz
you'd quiz
he'd quiz
we'd quiz
you'd quiz
they'd quiz 	I'd be quizzing
you'd be quizzing
he'd be quizzing
we'd be quizzing
you'd be quizzing
they'd be quizzing	I should've quizzed
you should've quizzed
he should've quizzed
we should've quizzed
you should've quizzed
they should've quizzed	I should've been quizzing
you should've been quizzing
he should've been quizzing
we should've been quizzing
you should've been quizzing
they should've been quizzing	

Negation 	
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I shouldn't quiz
you shouldn't quiz
he shouldn't quiz
we shouldn't quiz
you shouldn't quiz
they shouldn't quiz 	I shouldn't be quizzing
you shouldn't be quizzing
he shouldn't be quizzing
we shouldn't be quizzing
you shouldn't be quizzing
they shouldn't be quizzing	I shouldn't have quizzed
you shouldn't have quizzed
he shouldn't have quizzed
we shouldn't have quizzed
you shouldn't have quizzed
they shouldn't have quizzed	I shouldn't have been quizzing
you shouldn't have been quizzing
he shouldn't have been quizzing
we shouldn't have been quizzing
you shouldn't have been quizzing
they shouldn't have been quizzing	

Interrogative form 	
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should I quiz?
should you quiz?
should he quiz?
should we quiz?
should you quiz?
should they quiz? 	should I be quizzing?
should you be quizzing?
should he be quizzing?
should we be quizzing?
should you be quizzing?
should they be quizzing? 	should I have quizzed?
should you have quizzed?
should he have quizzed?
should we have quizzed?
should you have quizzed?
should they have quizzed? 	should I have been quizzing?
should you have been quizzing?
should he have been quizzing?
should we have been quizzing?
should you have been quizzing?
should they have been quizzing? 	

Interro-negative form 	
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shouldn't I quiz?
shouldn't you quiz?
shouldn't he quiz?
shouldn't we quiz?
shouldn't you quiz?
shouldn't they quiz? 	shouldn't I be quizzing?
shouldn't you be quizzing?
shouldn't he be quizzing?
shouldn't we be quizzing?
shouldn't you be quizzing?
shouldn't they be quizzing? 	shouldn't I have quizzed?
shouldn't you have quizzed?
shouldn't he have quizzed?
shouldn't we have quizzed?
shouldn't you have quizzed?
shouldn't they have quizzed? 	shouldn't I have been quizzing?
shouldn't you have been quizzing?
shouldn't he have been quizzing?
shouldn't we have been quizzing?
shouldn't you have been quizzing?
shouldn't they have been quizzing?