could cone
Regular verb: cone - coned- coned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cone
you could cone
she could cone
we could cone
you could cone
they could cone 	I could be coning
you could be coning
she could be coning
we could be coning
you could be coning
they could be coning	I could have coned
you could have coned
she could have coned
we could have coned
you could have coned
they could have coned	I could have been coning
you could have been coning
she could have been coning
we could have been coning
you could have been coning
they could have been coning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cone
you couldn't cone
she couldn't cone
we couldn't cone
you couldn't cone
they couldn't cone 	I couldn't be coning
you couldn't be coning
she couldn't be coning
we couldn't be coning
you couldn't be coning
they couldn't be coning	I couldn't have coned
you couldn't have coned
she couldn't have coned
we couldn't have coned
you couldn't have coned
they couldn't have coned	I couldn't have been coning
you couldn't have been coning
she couldn't have been coning
we couldn't have been coning
you couldn't have been coning
they couldn't have been coning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cone?
could you cone?
could she cone?
could we cone?
could you cone?
could they cone? 	could I be coning?
could you be coning?
could she be coning?
could we be coning?
could you be coning?
could they be coning? 	could I have coned?
could you have coned?
could she have coned?
could we have coned?
could you have coned?
could they have coned? 	could I have been coning?
could you have been coning?
could she have been coning?
could we have been coning?
could you have been coning?
could they have been coning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cone?
couldn't you cone?
couldn't she cone?
couldn't we cone?
couldn't you cone?
couldn't they cone? 	couldn't I be coning?
couldn't you be coning?
couldn't she be coning?
couldn't we be coning?
couldn't you be coning?
couldn't they be coning? 	couldn't I have coned?
couldn't you have coned?
couldn't she have coned?
couldn't we have coned?
couldn't you have coned?
couldn't they have coned? 	couldn't I have been coning?
couldn't you have been coning?
couldn't she have been coning?
couldn't we have been coning?
couldn't you have been coning?
couldn't they have been coning?