could exasperate
Regular verb: exasperate - exasperated- exasperated

Affirmation 	
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I could exasperate
you could exasperate
she could exasperate
we could exasperate
you could exasperate
they could exasperate 	I could be exasperating
you could be exasperating
she could be exasperating
we could be exasperating
you could be exasperating
they could be exasperating	I could have exasperated
you could have exasperated
she could have exasperated
we could have exasperated
you could have exasperated
they could have exasperated	I could have been exasperating
you could have been exasperating
she could have been exasperating
we could have been exasperating
you could have been exasperating
they could have been exasperating	

Negation 	
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I couldn't exasperate
you couldn't exasperate
she couldn't exasperate
we couldn't exasperate
you couldn't exasperate
they couldn't exasperate 	I couldn't be exasperating
you couldn't be exasperating
she couldn't be exasperating
we couldn't be exasperating
you couldn't be exasperating
they couldn't be exasperating	I couldn't have exasperated
you couldn't have exasperated
she couldn't have exasperated
we couldn't have exasperated
you couldn't have exasperated
they couldn't have exasperated	I couldn't have been exasperating
you couldn't have been exasperating
she couldn't have been exasperating
we couldn't have been exasperating
you couldn't have been exasperating
they couldn't have been exasperating	

Interrogative form 	
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could I exasperate?
could you exasperate?
could she exasperate?
could we exasperate?
could you exasperate?
could they exasperate? 	could I be exasperating?
could you be exasperating?
could she be exasperating?
could we be exasperating?
could you be exasperating?
could they be exasperating? 	could I have exasperated?
could you have exasperated?
could she have exasperated?
could we have exasperated?
could you have exasperated?
could they have exasperated? 	could I have been exasperating?
could you have been exasperating?
could she have been exasperating?
could we have been exasperating?
could you have been exasperating?
could they have been exasperating? 	

Interro-negative form 	
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couldn't I exasperate?
couldn't you exasperate?
couldn't she exasperate?
couldn't we exasperate?
couldn't you exasperate?
couldn't they exasperate? 	couldn't I be exasperating?
couldn't you be exasperating?
couldn't she be exasperating?
couldn't we be exasperating?
couldn't you be exasperating?
couldn't they be exasperating? 	couldn't I have exasperated?
couldn't you have exasperated?
couldn't she have exasperated?
couldn't we have exasperated?
couldn't you have exasperated?
couldn't they have exasperated? 	couldn't I have been exasperating?
couldn't you have been exasperating?
couldn't she have been exasperating?
couldn't we have been exasperating?
couldn't you have been exasperating?
couldn't they have been exasperating?