I can dawn you can dawn he can dawn we can dawn you can dawn they can dawn
V-ing form
I can be dawning you can be dawning he can be dawning we can be dawning you can be dawning they can be dawning
Perfect
I can have dawned you can have dawned he can have dawned we can have dawned you can have dawned they can have dawned
V-ing perfect
I can have been dawning you can have been dawning he can have been dawning we can have been dawning you can have been dawning they can have been dawning
Negation
Simple form
I cannot dawn you cannot dawn he cannot dawn we cannot dawn you cannot dawn they cannot dawn
V-ing form
I cannot be dawning you cannot be dawning he cannot be dawning we cannot be dawning you cannot be dawning they cannot be dawning
Perfect
I cannot have dawned you cannot have dawned he cannot have dawned we cannot have dawned you cannot have dawned they cannot have dawned
V-ing perfect
I cannot have been dawning you cannot have been dawning he cannot have been dawning we cannot have been dawning you cannot have been dawning they cannot have been dawning
Interrogative form
Simple form
can I dawn? can you dawn? can he dawn? can we dawn? can you dawn? can they dawn?
V-ing form
can I be dawning? can you be dawning? can he be dawning? can we be dawning? can you be dawning? can they be dawning?
Perfect
can I have dawned? can you have dawned? can he have dawned? can we have dawned? can you have dawned? can they have dawned?
V-ing perfect
can I have been dawning? can you have been dawning? can he have been dawning? can we have been dawning? can you have been dawning? can they have been dawning?
Interro-negative form
Simple form
can I not dawn? can you not dawn? can he not dawn? can we not dawn? can you not dawn? can they not dawn?
V-ing form
can I not be dawning? can you not be dawning? can he not be dawning? can we not be dawning? can you not be dawning? can they not be dawning?
Perfect
can I not have dawned? can you not have dawned? can he not have dawned? can we not have dawned? can you not have dawned? can they not have dawned?
V-ing perfect
can I not have been dawning? can you not have been dawning? can he not have been dawning? can we not have been dawning? can you not have been dawning? can they not have been dawning?