could dawn
Regular verb: dawn - dawned- dawned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dawn
you could dawn
she could dawn
we could dawn
you could dawn
they could dawn 	I could be dawning
you could be dawning
she could be dawning
we could be dawning
you could be dawning
they could be dawning	I could have dawned
you could have dawned
she 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
she could have been dawning
we could have been dawning
you could have been dawning
they could have been dawning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dawn
you couldn't dawn
she 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
she 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
she 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
she couldn't have been dawning
we couldn't have been dawning
you couldn't have been dawning
they couldn't have been dawning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dawn?
could you dawn?
could she dawn?
could we dawn?
could you dawn?
could they dawn? 	could I be dawning?
could you be dawning?
could she be dawning?
could we be dawning?
could you be dawning?
could they be dawning? 	could I have dawned?
could you have dawned?
could she 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 she have been dawning?
could we have been dawning?
could you have been dawning?
could they have been dawning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dawn?
couldn't you dawn?
couldn't she 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 she 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 she 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 she have been dawning?
couldn't we have been dawning?
couldn't you have been dawning?
couldn't they have been dawning?