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 could not dawn
you could not dawn
she could not dawn
we could not dawn
you could not dawn
they could not dawn 	I could not be dawning
you could not be dawning
she could not be dawning
we could not be dawning
you could not be dawning
they could not be dawning	I could not have dawned
you could not have dawned
she could not have dawned
we could not have dawned
you could not have dawned
they could not have dawned	I could not have been dawning
you could not have been dawning
she could not have been dawning
we could not have been dawning
you could not have been dawning
they could not 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 	
could I not dawn?
could you not dawn?
could she not dawn?
could we not dawn?
could you not dawn?
could they not dawn? 	could I not be dawning?
could you not be dawning?
could she not be dawning?
could we not be dawning?
could you not be dawning?
could they not be dawning? 	could I not have dawned?
could you not have dawned?
could she not have dawned?
could we not have dawned?
could you not have dawned?
could they not have dawned? 	could I not have been dawning?
could you not have been dawning?
could she not have been dawning?
could we not have been dawning?
could you not have been dawning?
could they not have been dawning?