could finger
Regular verb: finger - fingered- fingered

Affirmation 	
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I could finger
you could finger
she could finger
we could finger
you could finger
they could finger 	I could be fingering
you could be fingering
she could be fingering
we could be fingering
you could be fingering
they could be fingering	I could have fingered
you could have fingered
she could have fingered
we could have fingered
you could have fingered
they could have fingered	I could have been fingering
you could have been fingering
she could have been fingering
we could have been fingering
you could have been fingering
they could have been fingering	

Negation 	
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I couldn't finger
you couldn't finger
she couldn't finger
we couldn't finger
you couldn't finger
they couldn't finger 	I couldn't be fingering
you couldn't be fingering
she couldn't be fingering
we couldn't be fingering
you couldn't be fingering
they couldn't be fingering	I couldn't have fingered
you couldn't have fingered
she couldn't have fingered
we couldn't have fingered
you couldn't have fingered
they couldn't have fingered	I couldn't have been fingering
you couldn't have been fingering
she couldn't have been fingering
we couldn't have been fingering
you couldn't have been fingering
they couldn't have been fingering	

Interrogative form 	
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could I finger?
could you finger?
could she finger?
could we finger?
could you finger?
could they finger? 	could I be fingering?
could you be fingering?
could she be fingering?
could we be fingering?
could you be fingering?
could they be fingering? 	could I have fingered?
could you have fingered?
could she have fingered?
could we have fingered?
could you have fingered?
could they have fingered? 	could I have been fingering?
could you have been fingering?
could she have been fingering?
could we have been fingering?
could you have been fingering?
could they have been fingering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I finger?
couldn't you finger?
couldn't she finger?
couldn't we finger?
couldn't you finger?
couldn't they finger? 	couldn't I be fingering?
couldn't you be fingering?
couldn't she be fingering?
couldn't we be fingering?
couldn't you be fingering?
couldn't they be fingering? 	couldn't I have fingered?
couldn't you have fingered?
couldn't she have fingered?
couldn't we have fingered?
couldn't you have fingered?
couldn't they have fingered? 	couldn't I have been fingering?
couldn't you have been fingering?
couldn't she have been fingering?
couldn't we have been fingering?
couldn't you have been fingering?
couldn't they have been fingering?