could chafe
Regular verb: chafe - chafed- chafed

Affirmation 	
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I could chafe
you could chafe
he could chafe
we could chafe
you could chafe
they could chafe 	I could be chafing
you could be chafing
he could be chafing
we could be chafing
you could be chafing
they could be chafing	I could have chafed
you could have chafed
he could have chafed
we could have chafed
you could have chafed
they could have chafed	I could have been chafing
you could have been chafing
he could have been chafing
we could have been chafing
you could have been chafing
they could have been chafing	

Negation 	
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I couldn't chafe
you couldn't chafe
he couldn't chafe
we couldn't chafe
you couldn't chafe
they couldn't chafe 	I couldn't be chafing
you couldn't be chafing
he couldn't be chafing
we couldn't be chafing
you couldn't be chafing
they couldn't be chafing	I couldn't have chafed
you couldn't have chafed
he couldn't have chafed
we couldn't have chafed
you couldn't have chafed
they couldn't have chafed	I couldn't have been chafing
you couldn't have been chafing
he couldn't have been chafing
we couldn't have been chafing
you couldn't have been chafing
they couldn't have been chafing	

Interrogative form 	
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could I chafe?
could you chafe?
could he chafe?
could we chafe?
could you chafe?
could they chafe? 	could I be chafing?
could you be chafing?
could he be chafing?
could we be chafing?
could you be chafing?
could they be chafing? 	could I have chafed?
could you have chafed?
could he have chafed?
could we have chafed?
could you have chafed?
could they have chafed? 	could I have been chafing?
could you have been chafing?
could he have been chafing?
could we have been chafing?
could you have been chafing?
could they have been chafing? 	

Interro-negative form 	
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couldn't I chafe?
couldn't you chafe?
couldn't he chafe?
couldn't we chafe?
couldn't you chafe?
couldn't they chafe? 	couldn't I be chafing?
couldn't you be chafing?
couldn't he be chafing?
couldn't we be chafing?
couldn't you be chafing?
couldn't they be chafing? 	couldn't I have chafed?
couldn't you have chafed?
couldn't he have chafed?
couldn't we have chafed?
couldn't you have chafed?
couldn't they have chafed? 	couldn't I have been chafing?
couldn't you have been chafing?
couldn't he have been chafing?
couldn't we have been chafing?
couldn't you have been chafing?
couldn't they have been chafing?