could apprise
Regular verb: apprise - apprised- apprised

Affirmation 	
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I could apprise
you could apprise
she could apprise
we could apprise
you could apprise
they could apprise 	I could be apprising
you could be apprising
she could be apprising
we could be apprising
you could be apprising
they could be apprising	I could have apprised
you could have apprised
she could have apprised
we could have apprised
you could have apprised
they could have apprised	I could have been apprising
you could have been apprising
she could have been apprising
we could have been apprising
you could have been apprising
they could have been apprising	

Negation 	
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I could not apprise
you could not apprise
she could not apprise
we could not apprise
you could not apprise
they could not apprise 	I could not be apprising
you could not be apprising
she could not be apprising
we could not be apprising
you could not be apprising
they could not be apprising	I could not have apprised
you could not have apprised
she could not have apprised
we could not have apprised
you could not have apprised
they could not have apprised	I could not have been apprising
you could not have been apprising
she could not have been apprising
we could not have been apprising
you could not have been apprising
they could not have been apprising	

Interrogative form 	
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could I apprise?
could you apprise?
could she apprise?
could we apprise?
could you apprise?
could they apprise? 	could I be apprising?
could you be apprising?
could she be apprising?
could we be apprising?
could you be apprising?
could they be apprising? 	could I have apprised?
could you have apprised?
could she have apprised?
could we have apprised?
could you have apprised?
could they have apprised? 	could I have been apprising?
could you have been apprising?
could she have been apprising?
could we have been apprising?
could you have been apprising?
could they have been apprising? 	

Interro-negative form 	
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could I not apprise?
could you not apprise?
could she not apprise?
could we not apprise?
could you not apprise?
could they not apprise? 	could I not be apprising?
could you not be apprising?
could she not be apprising?
could we not be apprising?
could you not be apprising?
could they not be apprising? 	could I not have apprised?
could you not have apprised?
could she not have apprised?
could we not have apprised?
could you not have apprised?
could they not have apprised? 	could I not have been apprising?
could you not have been apprising?
could she not have been apprising?
could we not have been apprising?
could you not have been apprising?
could they not have been apprising?