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 can't air you can't air he can't air we can't air you can't air they can't air	I can't be airing you can't be airing he can't be airing we can't be airing you can't be airing they can't be airing
Perfect	V-ing perfect
I can't have aired you can't have aired he can't have aired we can't have aired you can't have aired they can't have aired	I can't have been airing you can't have been airing he can't have been airing we can't have been airing you can't have been airing they can't 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't I air? can't you air? can't he air? can't we air? can't you air? can't they air?	can't I be airing? can't you be airing? can't he be airing? can't we be airing? can't you be airing? can't they be airing?
Perfect	V-ing perfect
can't I have aired? can't you have aired? can't he have aired? can't we have aired? can't you have aired? can't they have aired?	can't I have been airing? can't you have been airing? can't he have been airing? can't we have been airing? can't you have been airing? can't they have been airing?