could flake
Regular verb: flake - flaked- flaked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could flake
you could flake
she could flake
we could flake
you could flake
they could flake 	I could be flaking
you could be flaking
she could be flaking
we could be flaking
you could be flaking
they could be flaking	I could have flaked
you could have flaked
she could have flaked
we could have flaked
you could have flaked
they could have flaked	I could have been flaking
you could have been flaking
she could have been flaking
we could have been flaking
you could have been flaking
they could have been flaking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't flake
you couldn't flake
she couldn't flake
we couldn't flake
you couldn't flake
they couldn't flake 	I couldn't be flaking
you couldn't be flaking
she couldn't be flaking
we couldn't be flaking
you couldn't be flaking
they couldn't be flaking	I couldn't have flaked
you couldn't have flaked
she couldn't have flaked
we couldn't have flaked
you couldn't have flaked
they couldn't have flaked	I couldn't have been flaking
you couldn't have been flaking
she couldn't have been flaking
we couldn't have been flaking
you couldn't have been flaking
they couldn't have been flaking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I flake?
could you flake?
could she flake?
could we flake?
could you flake?
could they flake? 	could I be flaking?
could you be flaking?
could she be flaking?
could we be flaking?
could you be flaking?
could they be flaking? 	could I have flaked?
could you have flaked?
could she have flaked?
could we have flaked?
could you have flaked?
could they have flaked? 	could I have been flaking?
could you have been flaking?
could she have been flaking?
could we have been flaking?
could you have been flaking?
could they have been flaking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I flake?
couldn't you flake?
couldn't she flake?
couldn't we flake?
couldn't you flake?
couldn't they flake? 	couldn't I be flaking?
couldn't you be flaking?
couldn't she be flaking?
couldn't we be flaking?
couldn't you be flaking?
couldn't they be flaking? 	couldn't I have flaked?
couldn't you have flaked?
couldn't she have flaked?
couldn't we have flaked?
couldn't you have flaked?
couldn't they have flaked? 	couldn't I have been flaking?
couldn't you have been flaking?
couldn't she have been flaking?
couldn't we have been flaking?
couldn't you have been flaking?
couldn't they have been flaking?