English verb conjugation
CAN DON

Regular verb: don - donned - donned

Affirmation

Simple form	V-ing form
I can don you can don he can don we can don you can don they can don	I can be donning you can be donning he can be donning we can be donning you can be donning they can be donning
Perfect	V-ing perfect
I can have donned you can have donned he can have donned we can have donned you can have donned they can have donned	I can have been donning you can have been donning he can have been donning we can have been donning you can have been donning they can have been donning

Negation

Simple form	V-ing form
I can't don you can't don he can't don we can't don you can't don they can't don	I can't be donning you can't be donning he can't be donning we can't be donning you can't be donning they can't be donning
Perfect	V-ing perfect
I can't have donned you can't have donned he can't have donned we can't have donned you can't have donned they can't have donned	I can't have been donning you can't have been donning he can't have been donning we can't have been donning you can't have been donning they can't have been donning

Interrogative form

Simple form	V-ing form
can I don? can you don? can he don? can we don? can you don? can they don?	can I be donning? can you be donning? can he be donning? can we be donning? can you be donning? can they be donning?
Perfect	V-ing perfect
can I have donned? can you have donned? can he have donned? can we have donned? can you have donned? can they have donned?	can I have been donning? can you have been donning? can he have been donning? can we have been donning? can you have been donning? can they have been donning?

Interro-negative form

Simple form	V-ing form
can't I don? can't you don? can't he don? can't we don? can't you don? can't they don?	can't I be donning? can't you be donning? can't he be donning? can't we be donning? can't you be donning? can't they be donning?
Perfect	V-ing perfect
can't I have donned? can't you have donned? can't he have donned? can't we have donned? can't you have donned? can't they have donned?	can't I have been donning? can't you have been donning? can't he have been donning? can't we have been donning? can't you have been donning? can't they have been donning?