could query
Regular verb: query - queried- queried

Affirmation 	
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I could query
you could query
he could query
we could query
you could query
they could query 	I could be querying
you could be querying
he could be querying
we could be querying
you could be querying
they could be querying	I could have queried
you could have queried
he could have queried
we could have queried
you could have queried
they could have queried	I could have been querying
you could have been querying
he could have been querying
we could have been querying
you could have been querying
they could have been querying	

Negation 	
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I could not query
you could not query
he could not query
we could not query
you could not query
they could not query 	I could not be querying
you could not be querying
he could not be querying
we could not be querying
you could not be querying
they could not be querying	I could not have queried
you could not have queried
he could not have queried
we could not have queried
you could not have queried
they could not have queried	I could not have been querying
you could not have been querying
he could not have been querying
we could not have been querying
you could not have been querying
they could not have been querying	

Interrogative form 	
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could I query?
could you query?
could he query?
could we query?
could you query?
could they query? 	could I be querying?
could you be querying?
could he be querying?
could we be querying?
could you be querying?
could they be querying? 	could I have queried?
could you have queried?
could he have queried?
could we have queried?
could you have queried?
could they have queried? 	could I have been querying?
could you have been querying?
could he have been querying?
could we have been querying?
could you have been querying?
could they have been querying? 	

Interro-negative form 	
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could I not query?
could you not query?
could he not query?
could we not query?
could you not query?
could they not query? 	could I not be querying?
could you not be querying?
could he not be querying?
could we not be querying?
could you not be querying?
could they not be querying? 	could I not have queried?
could you not have queried?
could he not have queried?
could we not have queried?
could you not have queried?
could they not have queried? 	could I not have been querying?
could you not have been querying?
could he not have been querying?
could we not have been querying?
could you not have been querying?
could they not have been querying?