could enchain
Regular verb: enchain - enchained- enchained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could enchain
you could enchain
she could enchain
we could enchain
you could enchain
they could enchain 	I could be enchaining
you could be enchaining
she could be enchaining
we could be enchaining
you could be enchaining
they could be enchaining	I could have enchained
you could have enchained
she could have enchained
we could have enchained
you could have enchained
they could have enchained	I could have been enchaining
you could have been enchaining
she could have been enchaining
we could have been enchaining
you could have been enchaining
they could have been enchaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't enchain
you couldn't enchain
she couldn't enchain
we couldn't enchain
you couldn't enchain
they couldn't enchain 	I couldn't be enchaining
you couldn't be enchaining
she couldn't be enchaining
we couldn't be enchaining
you couldn't be enchaining
they couldn't be enchaining	I couldn't have enchained
you couldn't have enchained
she couldn't have enchained
we couldn't have enchained
you couldn't have enchained
they couldn't have enchained	I couldn't have been enchaining
you couldn't have been enchaining
she couldn't have been enchaining
we couldn't have been enchaining
you couldn't have been enchaining
they couldn't have been enchaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I enchain?
could you enchain?
could she enchain?
could we enchain?
could you enchain?
could they enchain? 	could I be enchaining?
could you be enchaining?
could she be enchaining?
could we be enchaining?
could you be enchaining?
could they be enchaining? 	could I have enchained?
could you have enchained?
could she have enchained?
could we have enchained?
could you have enchained?
could they have enchained? 	could I have been enchaining?
could you have been enchaining?
could she have been enchaining?
could we have been enchaining?
could you have been enchaining?
could they have been enchaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I enchain?
couldn't you enchain?
couldn't she enchain?
couldn't we enchain?
couldn't you enchain?
couldn't they enchain? 	couldn't I be enchaining?
couldn't you be enchaining?
couldn't she be enchaining?
couldn't we be enchaining?
couldn't you be enchaining?
couldn't they be enchaining? 	couldn't I have enchained?
couldn't you have enchained?
couldn't she have enchained?
couldn't we have enchained?
couldn't you have enchained?
couldn't they have enchained? 	couldn't I have been enchaining?
couldn't you have been enchaining?
couldn't she have been enchaining?
couldn't we have been enchaining?
couldn't you have been enchaining?
couldn't they have been enchaining?