could linger
Verbo regular: linger - lingered- lingered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could linger
you could linger
he could linger
we could linger
you could linger
they could linger 	I could be lingering
you could be lingering
he could be lingering
we could be lingering
you could be lingering
they could be lingering	I could have lingered
you could have lingered
he could have lingered
we could have lingered
you could have lingered
they could have lingered	I could have been lingering
you could have been lingering
he could have been lingering
we could have been lingering
you could have been lingering
they could have been lingering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not linger
you could not linger
he could not linger
we could not linger
you could not linger
they could not linger 	I could not be lingering
you could not be lingering
he could not be lingering
we could not be lingering
you could not be lingering
they could not be lingering	I could not have lingered
you could not have lingered
he could not have lingered
we could not have lingered
you could not have lingered
they could not have lingered	I could not have been lingering
you could not have been lingering
he could not have been lingering
we could not have been lingering
you could not have been lingering
they could not have been lingering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I linger?
could you linger?
could he linger?
could we linger?
could you linger?
could they linger? 	could I be lingering?
could you be lingering?
could he be lingering?
could we be lingering?
could you be lingering?
could they be lingering? 	could I have lingered?
could you have lingered?
could he have lingered?
could we have lingered?
could you have lingered?
could they have lingered? 	could I have been lingering?
could you have been lingering?
could he have been lingering?
could we have been lingering?
could you have been lingering?
could they have been lingering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not linger?
could you not linger?
could he not linger?
could we not linger?
could you not linger?
could they not linger? 	could I not be lingering?
could you not be lingering?
could he not be lingering?
could we not be lingering?
could you not be lingering?
could they not be lingering? 	could I not have lingered?
could you not have lingered?
could he not have lingered?
could we not have lingered?
could you not have lingered?
could they not have lingered? 	could I not have been lingering?
could you not have been lingering?
could he not have been lingering?
could we not have been lingering?
could you not have been lingering?
could they not have been lingering?