could aggravate
Regular verb: aggravate - aggravated- aggravated

Affirmation 	
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I could aggravate
you could aggravate
she could aggravate
we could aggravate
you could aggravate
they could aggravate 	I could be aggravating
you could be aggravating
she could be aggravating
we could be aggravating
you could be aggravating
they could be aggravating	I could have aggravated
you could have aggravated
she could have aggravated
we could have aggravated
you could have aggravated
they could have aggravated	I could have been aggravating
you could have been aggravating
she could have been aggravating
we could have been aggravating
you could have been aggravating
they could have been aggravating	

Negation 	
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I could not aggravate
you could not aggravate
she could not aggravate
we could not aggravate
you could not aggravate
they could not aggravate 	I could not be aggravating
you could not be aggravating
she could not be aggravating
we could not be aggravating
you could not be aggravating
they could not be aggravating	I could not have aggravated
you could not have aggravated
she could not have aggravated
we could not have aggravated
you could not have aggravated
they could not have aggravated	I could not have been aggravating
you could not have been aggravating
she could not have been aggravating
we could not have been aggravating
you could not have been aggravating
they could not have been aggravating	

Interrogative form 	
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could I aggravate?
could you aggravate?
could she aggravate?
could we aggravate?
could you aggravate?
could they aggravate? 	could I be aggravating?
could you be aggravating?
could she be aggravating?
could we be aggravating?
could you be aggravating?
could they be aggravating? 	could I have aggravated?
could you have aggravated?
could she have aggravated?
could we have aggravated?
could you have aggravated?
could they have aggravated? 	could I have been aggravating?
could you have been aggravating?
could she have been aggravating?
could we have been aggravating?
could you have been aggravating?
could they have been aggravating? 	

Interro-negative form 	
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could I not aggravate?
could you not aggravate?
could she not aggravate?
could we not aggravate?
could you not aggravate?
could they not aggravate? 	could I not be aggravating?
could you not be aggravating?
could she not be aggravating?
could we not be aggravating?
could you not be aggravating?
could they not be aggravating? 	could I not have aggravated?
could you not have aggravated?
could she not have aggravated?
could we not have aggravated?
could you not have aggravated?
could they not have aggravated? 	could I not have been aggravating?
could you not have been aggravating?
could she not have been aggravating?
could we not have been aggravating?
could you not have been aggravating?
could they not have been aggravating?