could overture
Verbo regular: overture - overtured- overtured

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could overture
you could overture
he could overture
we could overture
you could overture
they could overture 	I could be overturing
you could be overturing
he could be overturing
we could be overturing
you could be overturing
they could be overturing	I could have overtured
you could have overtured
he could have overtured
we could have overtured
you could have overtured
they could have overtured	I could have been overturing
you could have been overturing
he could have been overturing
we could have been overturing
you could have been overturing
they could have been overturing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't overture
you couldn't overture
he couldn't overture
we couldn't overture
you couldn't overture
they couldn't overture 	I couldn't be overturing
you couldn't be overturing
he couldn't be overturing
we couldn't be overturing
you couldn't be overturing
they couldn't be overturing	I couldn't have overtured
you couldn't have overtured
he couldn't have overtured
we couldn't have overtured
you couldn't have overtured
they couldn't have overtured	I couldn't have been overturing
you couldn't have been overturing
he couldn't have been overturing
we couldn't have been overturing
you couldn't have been overturing
they couldn't have been overturing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I overture?
could you overture?
could he overture?
could we overture?
could you overture?
could they overture? 	could I be overturing?
could you be overturing?
could he be overturing?
could we be overturing?
could you be overturing?
could they be overturing? 	could I have overtured?
could you have overtured?
could he have overtured?
could we have overtured?
could you have overtured?
could they have overtured? 	could I have been overturing?
could you have been overturing?
could he have been overturing?
could we have been overturing?
could you have been overturing?
could they have been overturing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I overture?
couldn't you overture?
couldn't he overture?
couldn't we overture?
couldn't you overture?
couldn't they overture? 	couldn't I be overturing?
couldn't you be overturing?
couldn't he be overturing?
couldn't we be overturing?
couldn't you be overturing?
couldn't they be overturing? 	couldn't I have overtured?
couldn't you have overtured?
couldn't he have overtured?
couldn't we have overtured?
couldn't you have overtured?
couldn't they have overtured? 	couldn't I have been overturing?
couldn't you have been overturing?
couldn't he have been overturing?
couldn't we have been overturing?
couldn't you have been overturing?
couldn't they have been overturing?