could compose
Verbo regular: compose - composed- composed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could compose
you could compose
he could compose
we could compose
you could compose
they could compose 	I could be composing
you could be composing
he could be composing
we could be composing
you could be composing
they could be composing	I could have composed
you could have composed
he 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
he could have been composing
we could have been composing
you could have been composing
they could have been composing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't compose
you couldn't compose
he 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
he 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
he 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
he couldn't have been composing
we couldn't have been composing
you couldn't have been composing
they couldn't have been composing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I compose?
could you compose?
could he compose?
could we compose?
could you compose?
could they compose? 	could I be composing?
could you be composing?
could he be composing?
could we be composing?
could you be composing?
could they be composing? 	could I have composed?
could you have composed?
could he 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 he have been composing?
could we have been composing?
could you have been composing?
could they have been composing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I compose?
couldn't you compose?
couldn't he 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 he 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 he 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 he have been composing?
couldn't we have been composing?
couldn't you have been composing?
couldn't they have been composing?