could agonize
Regular verb: agonize - agonized- agonized

Affirmation 	
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I could agonize
you could agonize
she could agonize
we could agonize
you could agonize
they could agonize 	I could be agonizing
you could be agonizing
she could be agonizing
we could be agonizing
you could be agonizing
they could be agonizing	I could have agonized
you could have agonized
she could have agonized
we could have agonized
you could have agonized
they could have agonized	I could have been agonizing
you could have been agonizing
she could have been agonizing
we could have been agonizing
you could have been agonizing
they could have been agonizing	

Negation 	
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I could not agonize
you could not agonize
she could not agonize
we could not agonize
you could not agonize
they could not agonize 	I could not be agonizing
you could not be agonizing
she could not be agonizing
we could not be agonizing
you could not be agonizing
they could not be agonizing	I could not have agonized
you could not have agonized
she could not have agonized
we could not have agonized
you could not have agonized
they could not have agonized	I could not have been agonizing
you could not have been agonizing
she could not have been agonizing
we could not have been agonizing
you could not have been agonizing
they could not have been agonizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I agonize?
could you agonize?
could she agonize?
could we agonize?
could you agonize?
could they agonize? 	could I be agonizing?
could you be agonizing?
could she be agonizing?
could we be agonizing?
could you be agonizing?
could they be agonizing? 	could I have agonized?
could you have agonized?
could she have agonized?
could we have agonized?
could you have agonized?
could they have agonized? 	could I have been agonizing?
could you have been agonizing?
could she have been agonizing?
could we have been agonizing?
could you have been agonizing?
could they have been agonizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not agonize?
could you not agonize?
could she not agonize?
could we not agonize?
could you not agonize?
could they not agonize? 	could I not be agonizing?
could you not be agonizing?
could she not be agonizing?
could we not be agonizing?
could you not be agonizing?
could they not be agonizing? 	could I not have agonized?
could you not have agonized?
could she not have agonized?
could we not have agonized?
could you not have agonized?
could they not have agonized? 	could I not have been agonizing?
could you not have been agonizing?
could she not have been agonizing?
could we not have been agonizing?
could you not have been agonizing?
could they not have been agonizing?