English verb conjugation
CAN AIR

Regular verb: air - aired - aired

Affirmation

Simple form	V-ing form
I can air you can air he can air we can air you can air they can air	I can be airing you can be airing he can be airing we can be airing you can be airing they can be airing
Perfect	V-ing perfect
I can have aired you can have aired he can have aired we can have aired you can have aired they can have aired	I can have been airing you can have been airing he can have been airing we can have been airing you can have been airing they can have been airing

Negation

Simple form	V-ing form
I cannot air you cannot air he cannot air we cannot air you cannot air they cannot air	I cannot be airing you cannot be airing he cannot be airing we cannot be airing you cannot be airing they cannot be airing
Perfect	V-ing perfect
I cannot have aired you cannot have aired he cannot have aired we cannot have aired you cannot have aired they cannot have aired	I cannot have been airing you cannot have been airing he cannot have been airing we cannot have been airing you cannot have been airing they cannot have been airing

Interrogative form

Simple form	V-ing form
can I air? can you air? can he air? can we air? can you air? can they air?	can I be airing? can you be airing? can he be airing? can we be airing? can you be airing? can they be airing?
Perfect	V-ing perfect
can I have aired? can you have aired? can he have aired? can we have aired? can you have aired? can they have aired?	can I have been airing? can you have been airing? can he have been airing? can we have been airing? can you have been airing? can they have been airing?

Interro-negative form

Simple form	V-ing form
can I not air? can you not air? can he not air? can we not air? can you not air? can they not air?	can I not be airing? can you not be airing? can he not be airing? can we not be airing? can you not be airing? can they not be airing?
Perfect	V-ing perfect
can I not have aired? can you not have aired? can he not have aired? can we not have aired? can you not have aired? can they not have aired?	can I not have been airing? can you not have been airing? can he not have been airing? can we not have been airing? can you not have been airing? can they not have been airing?