can quiz
Regular verb: quiz - quizzed- quizzed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can quiz
you can quiz
he can quiz
we can quiz
you can quiz
they can quiz 	I can be quizzing
you can be quizzing
he can be quizzing
we can be quizzing
you can be quizzing
they can be quizzing	I can have quizzed
you can have quizzed
he can have quizzed
we can have quizzed
you can have quizzed
they can have quizzed	I can have been quizzing
you can have been quizzing
he can have been quizzing
we can have been quizzing
you can have been quizzing
they can have been quizzing	

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

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I quiz?
can you quiz?
can he quiz?
can we quiz?
can you quiz?
can they quiz? 	can I be quizzing?
can you be quizzing?
can he be quizzing?
can we be quizzing?
can you be quizzing?
can they be quizzing? 	can I have quizzed?
can you have quizzed?
can he have quizzed?
can we have quizzed?
can you have quizzed?
can they have quizzed? 	can I have been quizzing?
can you have been quizzing?
can he have been quizzing?
can we have been quizzing?
can you have been quizzing?
can they have been quizzing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I quiz?
can't you quiz?
can't he quiz?
can't we quiz?
can't you quiz?
can't they quiz? 	can't I be quizzing?
can't you be quizzing?
can't he be quizzing?
can't we be quizzing?
can't you be quizzing?
can't they be quizzing? 	can't I have quizzed?
can't you have quizzed?
can't he have quizzed?
can't we have quizzed?
can't you have quizzed?
can't they have quizzed? 	can't I have been quizzing?
can't you have been quizzing?
can't he have been quizzing?
can't we have been quizzing?
can't you have been quizzing?
can't they have been quizzing?