I can air-cool you can air-cool she can air-cool we can air-cool you can air-cool they can air-cool
V-ing form
I can be air-cooling you can be air-cooling she can be air-cooling we can be air-cooling you can be air-cooling they can be air-cooling
Perfect
I can have air-cooled you can have air-cooled she can have air-cooled we can have air-cooled you can have air-cooled they can have air-cooled
V-ing perfect
I can have been air-cooling you can have been air-cooling she can have been air-cooling we can have been air-cooling you can have been air-cooling they can have been air-cooling
Negation
Simple form
I cannot air-cool you cannot air-cool she cannot air-cool we cannot air-cool you cannot air-cool they cannot air-cool
V-ing form
I cannot be air-cooling you cannot be air-cooling she cannot be air-cooling we cannot be air-cooling you cannot be air-cooling they cannot be air-cooling
Perfect
I cannot have air-cooled you cannot have air-cooled she cannot have air-cooled we cannot have air-cooled you cannot have air-cooled they cannot have air-cooled
V-ing perfect
I cannot have been air-cooling you cannot have been air-cooling she cannot have been air-cooling we cannot have been air-cooling you cannot have been air-cooling they cannot have been air-cooling
Interrogative form
Simple form
can I air-cool? can you air-cool? can she air-cool? can we air-cool? can you air-cool? can they air-cool?
V-ing form
can I be air-cooling? can you be air-cooling? can she be air-cooling? can we be air-cooling? can you be air-cooling? can they be air-cooling?
Perfect
can I have air-cooled? can you have air-cooled? can she have air-cooled? can we have air-cooled? can you have air-cooled? can they have air-cooled?
V-ing perfect
can I have been air-cooling? can you have been air-cooling? can she have been air-cooling? can we have been air-cooling? can you have been air-cooling? can they have been air-cooling?
Interro-negative form
Simple form
can I not air-cool? can you not air-cool? can she not air-cool? can we not air-cool? can you not air-cool? can they not air-cool?
V-ing form
can I not be air-cooling? can you not be air-cooling? can she not be air-cooling? can we not be air-cooling? can you not be air-cooling? can they not be air-cooling?
Perfect
can I not have air-cooled? can you not have air-cooled? can she not have air-cooled? can we not have air-cooled? can you not have air-cooled? can they not have air-cooled?
V-ing perfect
can I not have been air-cooling? can you not have been air-cooling? can she not have been air-cooling? can we not have been air-cooling? can you not have been air-cooling? can they not have been air-cooling?