I can fan you can fan she can fan we can fan you can fan they can fan
V-ing form
I can be fanning you can be fanning she can be fanning we can be fanning you can be fanning they can be fanning
Perfect
I can have fanned you can have fanned she can have fanned we can have fanned you can have fanned they can have fanned
V-ing perfect
I can have been fanning you can have been fanning she can have been fanning we can have been fanning you can have been fanning they can have been fanning
Negation
Simple form
I cannot fan you cannot fan she cannot fan we cannot fan you cannot fan they cannot fan
V-ing form
I cannot be fanning you cannot be fanning she cannot be fanning we cannot be fanning you cannot be fanning they cannot be fanning
Perfect
I cannot have fanned you cannot have fanned she cannot have fanned we cannot have fanned you cannot have fanned they cannot have fanned
V-ing perfect
I cannot have been fanning you cannot have been fanning she cannot have been fanning we cannot have been fanning you cannot have been fanning they cannot have been fanning
Interrogative form
Simple form
can I fan? can you fan? can she fan? can we fan? can you fan? can they fan?
V-ing form
can I be fanning? can you be fanning? can she be fanning? can we be fanning? can you be fanning? can they be fanning?
Perfect
can I have fanned? can you have fanned? can she have fanned? can we have fanned? can you have fanned? can they have fanned?
V-ing perfect
can I have been fanning? can you have been fanning? can she have been fanning? can we have been fanning? can you have been fanning? can they have been fanning?
Interro-negative form
Simple form
can I not fan? can you not fan? can she not fan? can we not fan? can you not fan? can they not fan?
V-ing form
can I not be fanning? can you not be fanning? can she not be fanning? can we not be fanning? can you not be fanning? can they not be fanning?
Perfect
can I not have fanned? can you not have fanned? can she not have fanned? can we not have fanned? can you not have fanned? can they not have fanned?
V-ing perfect
can I not have been fanning? can you not have been fanning? can she not have been fanning? can we not have been fanning? can you not have been fanning? can they not have been fanning?