could bechance
Regular verb: bechance - bechanced- bechanced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bechance
you could bechance
he could bechance
we could bechance
you could bechance
they could bechance 	I could be bechancing
you could be bechancing
he could be bechancing
we could be bechancing
you could be bechancing
they could be bechancing	I could have bechanced
you could have bechanced
he could have bechanced
we could have bechanced
you could have bechanced
they could have bechanced	I could have been bechancing
you could have been bechancing
he could have been bechancing
we could have been bechancing
you could have been bechancing
they could have been bechancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bechance
you couldn't bechance
he couldn't bechance
we couldn't bechance
you couldn't bechance
they couldn't bechance 	I couldn't be bechancing
you couldn't be bechancing
he couldn't be bechancing
we couldn't be bechancing
you couldn't be bechancing
they couldn't be bechancing	I couldn't have bechanced
you couldn't have bechanced
he couldn't have bechanced
we couldn't have bechanced
you couldn't have bechanced
they couldn't have bechanced	I couldn't have been bechancing
you couldn't have been bechancing
he couldn't have been bechancing
we couldn't have been bechancing
you couldn't have been bechancing
they couldn't have been bechancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bechance?
could you bechance?
could he bechance?
could we bechance?
could you bechance?
could they bechance? 	could I be bechancing?
could you be bechancing?
could he be bechancing?
could we be bechancing?
could you be bechancing?
could they be bechancing? 	could I have bechanced?
could you have bechanced?
could he have bechanced?
could we have bechanced?
could you have bechanced?
could they have bechanced? 	could I have been bechancing?
could you have been bechancing?
could he have been bechancing?
could we have been bechancing?
could you have been bechancing?
could they have been bechancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bechance?
couldn't you bechance?
couldn't he bechance?
couldn't we bechance?
couldn't you bechance?
couldn't they bechance? 	couldn't I be bechancing?
couldn't you be bechancing?
couldn't he be bechancing?
couldn't we be bechancing?
couldn't you be bechancing?
couldn't they be bechancing? 	couldn't I have bechanced?
couldn't you have bechanced?
couldn't he have bechanced?
couldn't we have bechanced?
couldn't you have bechanced?
couldn't they have bechanced? 	couldn't I have been bechancing?
couldn't you have been bechancing?
couldn't he have been bechancing?
couldn't we have been bechancing?
couldn't you have been bechancing?
couldn't they have been bechancing?