could cobble
Regular verb: cobble - cobbled- cobbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cobble
you could cobble
she could cobble
we could cobble
you could cobble
they could cobble 	I could be cobbling
you could be cobbling
she could be cobbling
we could be cobbling
you could be cobbling
they could be cobbling	I could have cobbled
you could have cobbled
she could have cobbled
we could have cobbled
you could have cobbled
they could have cobbled	I could have been cobbling
you could have been cobbling
she could have been cobbling
we could have been cobbling
you could have been cobbling
they could have been cobbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cobble
you couldn't cobble
she couldn't cobble
we couldn't cobble
you couldn't cobble
they couldn't cobble 	I couldn't be cobbling
you couldn't be cobbling
she couldn't be cobbling
we couldn't be cobbling
you couldn't be cobbling
they couldn't be cobbling	I couldn't have cobbled
you couldn't have cobbled
she couldn't have cobbled
we couldn't have cobbled
you couldn't have cobbled
they couldn't have cobbled	I couldn't have been cobbling
you couldn't have been cobbling
she couldn't have been cobbling
we couldn't have been cobbling
you couldn't have been cobbling
they couldn't have been cobbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cobble?
could you cobble?
could she cobble?
could we cobble?
could you cobble?
could they cobble? 	could I be cobbling?
could you be cobbling?
could she be cobbling?
could we be cobbling?
could you be cobbling?
could they be cobbling? 	could I have cobbled?
could you have cobbled?
could she have cobbled?
could we have cobbled?
could you have cobbled?
could they have cobbled? 	could I have been cobbling?
could you have been cobbling?
could she have been cobbling?
could we have been cobbling?
could you have been cobbling?
could they have been cobbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cobble?
couldn't you cobble?
couldn't she cobble?
couldn't we cobble?
couldn't you cobble?
couldn't they cobble? 	couldn't I be cobbling?
couldn't you be cobbling?
couldn't she be cobbling?
couldn't we be cobbling?
couldn't you be cobbling?
couldn't they be cobbling? 	couldn't I have cobbled?
couldn't you have cobbled?
couldn't she have cobbled?
couldn't we have cobbled?
couldn't you have cobbled?
couldn't they have cobbled? 	couldn't I have been cobbling?
couldn't you have been cobbling?
couldn't she have been cobbling?
couldn't we have been cobbling?
couldn't you have been cobbling?
couldn't they have been cobbling?