could glower
Verbo regular: glower - glowered- glowered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could glower
you could glower
he could glower
we could glower
you could glower
they could glower 	I could be glowering
you could be glowering
he could be glowering
we could be glowering
you could be glowering
they could be glowering	I could have glowered
you could have glowered
he could have glowered
we could have glowered
you could have glowered
they could have glowered	I could have been glowering
you could have been glowering
he could have been glowering
we could have been glowering
you could have been glowering
they could have been glowering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not glower
you could not glower
he could not glower
we could not glower
you could not glower
they could not glower 	I could not be glowering
you could not be glowering
he could not be glowering
we could not be glowering
you could not be glowering
they could not be glowering	I could not have glowered
you could not have glowered
he could not have glowered
we could not have glowered
you could not have glowered
they could not have glowered	I could not have been glowering
you could not have been glowering
he could not have been glowering
we could not have been glowering
you could not have been glowering
they could not have been glowering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I glower?
could you glower?
could he glower?
could we glower?
could you glower?
could they glower? 	could I be glowering?
could you be glowering?
could he be glowering?
could we be glowering?
could you be glowering?
could they be glowering? 	could I have glowered?
could you have glowered?
could he have glowered?
could we have glowered?
could you have glowered?
could they have glowered? 	could I have been glowering?
could you have been glowering?
could he have been glowering?
could we have been glowering?
could you have been glowering?
could they have been glowering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not glower?
could you not glower?
could he not glower?
could we not glower?
could you not glower?
could they not glower? 	could I not be glowering?
could you not be glowering?
could he not be glowering?
could we not be glowering?
could you not be glowering?
could they not be glowering? 	could I not have glowered?
could you not have glowered?
could he not have glowered?
could we not have glowered?
could you not have glowered?
could they not have glowered? 	could I not have been glowering?
could you not have been glowering?
could he not have been glowering?
could we not have been glowering?
could you not have been glowering?
could they not have been glowering?