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 can't dawn you can't dawn he can't dawn we can't dawn you can't dawn they can't dawn
V-ing form
I can't be dawning you can't be dawning he can't be dawning we can't be dawning you can't be dawning they can't be dawning
Perfect
I can't have dawned you can't have dawned he can't have dawned we can't have dawned you can't have dawned they can't have dawned
V-ing perfect
I can't have been dawning you can't have been dawning he can't have been dawning we can't have been dawning you can't have been dawning they can't 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't I dawn? can't you dawn? can't he dawn? can't we dawn? can't you dawn? can't they dawn?
V-ing form
can't I be dawning? can't you be dawning? can't he be dawning? can't we be dawning? can't you be dawning? can't they be dawning?
Perfect
can't I have dawned? can't you have dawned? can't he have dawned? can't we have dawned? can't you have dawned? can't they have dawned?
V-ing perfect
can't I have been dawning? can't you have been dawning? can't he have been dawning? can't we have been dawning? can't you have been dawning? can't they have been dawning?