could headline
Verbo regular: headline - headlined- headlined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could headline
you could headline
she could headline
we could headline
you could headline
they could headline 	I could be headlining
you could be headlining
she could be headlining
we could be headlining
you could be headlining
they could be headlining	I could have headlined
you could have headlined
she could have headlined
we could have headlined
you could have headlined
they could have headlined	I could have been headlining
you could have been headlining
she could have been headlining
we could have been headlining
you could have been headlining
they could have been headlining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not headline
you could not headline
she could not headline
we could not headline
you could not headline
they could not headline 	I could not be headlining
you could not be headlining
she could not be headlining
we could not be headlining
you could not be headlining
they could not be headlining	I could not have headlined
you could not have headlined
she could not have headlined
we could not have headlined
you could not have headlined
they could not have headlined	I could not have been headlining
you could not have been headlining
she could not have been headlining
we could not have been headlining
you could not have been headlining
they could not have been headlining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I headline?
could you headline?
could she headline?
could we headline?
could you headline?
could they headline? 	could I be headlining?
could you be headlining?
could she be headlining?
could we be headlining?
could you be headlining?
could they be headlining? 	could I have headlined?
could you have headlined?
could she have headlined?
could we have headlined?
could you have headlined?
could they have headlined? 	could I have been headlining?
could you have been headlining?
could she have been headlining?
could we have been headlining?
could you have been headlining?
could they have been headlining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not headline?
could you not headline?
could she not headline?
could we not headline?
could you not headline?
could they not headline? 	could I not be headlining?
could you not be headlining?
could she not be headlining?
could we not be headlining?
could you not be headlining?
could they not be headlining? 	could I not have headlined?
could you not have headlined?
could she not have headlined?
could we not have headlined?
could you not have headlined?
could they not have headlined? 	could I not have been headlining?
could you not have been headlining?
could she not have been headlining?
could we not have been headlining?
could you not have been headlining?
could they not have been headlining?