could compose
Regular verb: compose - composed- composed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could compose
you could compose
she could compose
we could compose
you could compose
they could compose 	I could be composing
you could be composing
she could be composing
we could be composing
you could be composing
they could be composing	I could have composed
you could have composed
she could have composed
we could have composed
you could have composed
they could have composed	I could have been composing
you could have been composing
she could have been composing
we could have been composing
you could have been composing
they could have been composing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't compose
you couldn't compose
she couldn't compose
we couldn't compose
you couldn't compose
they couldn't compose 	I couldn't be composing
you couldn't be composing
she couldn't be composing
we couldn't be composing
you couldn't be composing
they couldn't be composing	I couldn't have composed
you couldn't have composed
she couldn't have composed
we couldn't have composed
you couldn't have composed
they couldn't have composed	I couldn't have been composing
you couldn't have been composing
she couldn't have been composing
we couldn't have been composing
you couldn't have been composing
they couldn't have been composing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I compose?
could you compose?
could she compose?
could we compose?
could you compose?
could they compose? 	could I be composing?
could you be composing?
could she be composing?
could we be composing?
could you be composing?
could they be composing? 	could I have composed?
could you have composed?
could she have composed?
could we have composed?
could you have composed?
could they have composed? 	could I have been composing?
could you have been composing?
could she have been composing?
could we have been composing?
could you have been composing?
could they have been composing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I compose?
couldn't you compose?
couldn't she compose?
couldn't we compose?
couldn't you compose?
couldn't they compose? 	couldn't I be composing?
couldn't you be composing?
couldn't she be composing?
couldn't we be composing?
couldn't you be composing?
couldn't they be composing? 	couldn't I have composed?
couldn't you have composed?
couldn't she have composed?
couldn't we have composed?
couldn't you have composed?
couldn't they have composed? 	couldn't I have been composing?
couldn't you have been composing?
couldn't she have been composing?
couldn't we have been composing?
couldn't you have been composing?
couldn't they have been composing?