could bald
Regular verb: bald - balded- balded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bald
you could bald
he could bald
we could bald
you could bald
they could bald 	I could be balding
you could be balding
he could be balding
we could be balding
you could be balding
they could be balding	I could have balded
you could have balded
he could have balded
we could have balded
you could have balded
they could have balded	I could have been balding
you could have been balding
he could have been balding
we could have been balding
you could have been balding
they could have been balding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bald
you couldn't bald
he couldn't bald
we couldn't bald
you couldn't bald
they couldn't bald 	I couldn't be balding
you couldn't be balding
he couldn't be balding
we couldn't be balding
you couldn't be balding
they couldn't be balding	I couldn't have balded
you couldn't have balded
he couldn't have balded
we couldn't have balded
you couldn't have balded
they couldn't have balded	I couldn't have been balding
you couldn't have been balding
he couldn't have been balding
we couldn't have been balding
you couldn't have been balding
they couldn't have been balding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bald?
could you bald?
could he bald?
could we bald?
could you bald?
could they bald? 	could I be balding?
could you be balding?
could he be balding?
could we be balding?
could you be balding?
could they be balding? 	could I have balded?
could you have balded?
could he have balded?
could we have balded?
could you have balded?
could they have balded? 	could I have been balding?
could you have been balding?
could he have been balding?
could we have been balding?
could you have been balding?
could they have been balding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bald?
couldn't you bald?
couldn't he bald?
couldn't we bald?
couldn't you bald?
couldn't they bald? 	couldn't I be balding?
couldn't you be balding?
couldn't he be balding?
couldn't we be balding?
couldn't you be balding?
couldn't they be balding? 	couldn't I have balded?
couldn't you have balded?
couldn't he have balded?
couldn't we have balded?
couldn't you have balded?
couldn't they have balded? 	couldn't I have been balding?
couldn't you have been balding?
couldn't he have been balding?
couldn't we have been balding?
couldn't you have been balding?
couldn't they have been balding?