could disassemble
Regular verb: disassemble - disassembled- disassembled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could disassemble
you could disassemble
he could disassemble
we could disassemble
you could disassemble
they could disassemble 	I could be disassembling
you could be disassembling
he could be disassembling
we could be disassembling
you could be disassembling
they could be disassembling	I could have disassembled
you could have disassembled
he could have disassembled
we could have disassembled
you could have disassembled
they could have disassembled	I could have been disassembling
you could have been disassembling
he could have been disassembling
we could have been disassembling
you could have been disassembling
they could have been disassembling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't disassemble
you couldn't disassemble
he couldn't disassemble
we couldn't disassemble
you couldn't disassemble
they couldn't disassemble 	I couldn't be disassembling
you couldn't be disassembling
he couldn't be disassembling
we couldn't be disassembling
you couldn't be disassembling
they couldn't be disassembling	I couldn't have disassembled
you couldn't have disassembled
he couldn't have disassembled
we couldn't have disassembled
you couldn't have disassembled
they couldn't have disassembled	I couldn't have been disassembling
you couldn't have been disassembling
he couldn't have been disassembling
we couldn't have been disassembling
you couldn't have been disassembling
they couldn't have been disassembling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I disassemble?
could you disassemble?
could he disassemble?
could we disassemble?
could you disassemble?
could they disassemble? 	could I be disassembling?
could you be disassembling?
could he be disassembling?
could we be disassembling?
could you be disassembling?
could they be disassembling? 	could I have disassembled?
could you have disassembled?
could he have disassembled?
could we have disassembled?
could you have disassembled?
could they have disassembled? 	could I have been disassembling?
could you have been disassembling?
could he have been disassembling?
could we have been disassembling?
could you have been disassembling?
could they have been disassembling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I disassemble?
couldn't you disassemble?
couldn't he disassemble?
couldn't we disassemble?
couldn't you disassemble?
couldn't they disassemble? 	couldn't I be disassembling?
couldn't you be disassembling?
couldn't he be disassembling?
couldn't we be disassembling?
couldn't you be disassembling?
couldn't they be disassembling? 	couldn't I have disassembled?
couldn't you have disassembled?
couldn't he have disassembled?
couldn't we have disassembled?
couldn't you have disassembled?
couldn't they have disassembled? 	couldn't I have been disassembling?
couldn't you have been disassembling?
couldn't he have been disassembling?
couldn't we have been disassembling?
couldn't you have been disassembling?
couldn't they have been disassembling?