could dawn
Verbo regular: dawn - dawned- dawned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could dawn
you could dawn
he could dawn
we could dawn
you could dawn
they could dawn 	I could be dawning
you could be dawning
he could be dawning
we could be dawning
you could be dawning
they could be dawning	I could have dawned
you could have dawned
he could have dawned
we could have dawned
you could have dawned
they could have dawned	I could have been dawning
you could have been dawning
he could have been dawning
we could have been dawning
you could have been dawning
they could have been dawning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't dawn
you couldn't dawn
he couldn't dawn
we couldn't dawn
you couldn't dawn
they couldn't dawn 	I couldn't be dawning
you couldn't be dawning
he couldn't be dawning
we couldn't be dawning
you couldn't be dawning
they couldn't be dawning	I couldn't have dawned
you couldn't have dawned
he couldn't have dawned
we couldn't have dawned
you couldn't have dawned
they couldn't have dawned	I couldn't have been dawning
you couldn't have been dawning
he couldn't have been dawning
we couldn't have been dawning
you couldn't have been dawning
they couldn't have been dawning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I dawn?
could you dawn?
could he dawn?
could we dawn?
could you dawn?
could they dawn? 	could I be dawning?
could you be dawning?
could he be dawning?
could we be dawning?
could you be dawning?
could they be dawning? 	could I have dawned?
could you have dawned?
could he have dawned?
could we have dawned?
could you have dawned?
could they have dawned? 	could I have been dawning?
could you have been dawning?
could he have been dawning?
could we have been dawning?
could you have been dawning?
could they have been dawning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I dawn?
couldn't you dawn?
couldn't he dawn?
couldn't we dawn?
couldn't you dawn?
couldn't they dawn? 	couldn't I be dawning?
couldn't you be dawning?
couldn't he be dawning?
couldn't we be dawning?
couldn't you be dawning?
couldn't they be dawning? 	couldn't I have dawned?
couldn't you have dawned?
couldn't he have dawned?
couldn't we have dawned?
couldn't you have dawned?
couldn't they have dawned? 	couldn't I have been dawning?
couldn't you have been dawning?
couldn't he have been dawning?
couldn't we have been dawning?
couldn't you have been dawning?
couldn't they have been dawning?