should question
Regular verb: question - questioned- questioned

Affirmation 	
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I should question
you should question
he should question
we should question
you should question
they should question 	I should be questioning
you should be questioning
he should be questioning
we should be questioning
you should be questioning
they should be questioning	I should have questioned
you should have questioned
he should have questioned
we should have questioned
you should have questioned
they should have questioned	I should have been questioning
you should have been questioning
he should have been questioning
we should have been questioning
you should have been questioning
they should have been questioning	

Negation 	
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I should not question
you should not question
he should not question
we should not question
you should not question
they should not question 	I should not be questioning
you should not be questioning
he should not be questioning
we should not be questioning
you should not be questioning
they should not be questioning	I should not have questioned
you should not have questioned
he should not have questioned
we should not have questioned
you should not have questioned
they should not have questioned	I should not have been questioning
you should not have been questioning
he should not have been questioning
we should not have been questioning
you should not have been questioning
they should not have been questioning	

Interrogative form 	
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should I question?
should you question?
should he question?
should we question?
should you question?
should they question? 	should I be questioning?
should you be questioning?
should he be questioning?
should we be questioning?
should you be questioning?
should they be questioning? 	should I have questioned?
should you have questioned?
should he have questioned?
should we have questioned?
should you have questioned?
should they have questioned? 	should I have been questioning?
should you have been questioning?
should he have been questioning?
should we have been questioning?
should you have been questioning?
should they have been questioning? 	

Interro-negative form 	
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should I not question?
should you not question?
should he not question?
should we not question?
should you not question?
should they not question? 	should I not be questioning?
should you not be questioning?
should he not be questioning?
should we not be questioning?
should you not be questioning?
should they not be questioning? 	should I not have questioned?
should you not have questioned?
should he not have questioned?
should we not have questioned?
should you not have questioned?
should they not have questioned? 	should I not have been questioning?
should you not have been questioning?
should he not have been questioning?
should we not have been questioning?
should you not have been questioning?
should they not have been questioning?