I can ax you can ax he can ax we can ax you can ax they can ax
V-ing form
I can be axing you can be axing he can be axing we can be axing you can be axing they can be axing
Perfect
I can have axed you can have axed he can have axed we can have axed you can have axed they can have axed
V-ing perfect
I can have been axing you can have been axing he can have been axing we can have been axing you can have been axing they can have been axing
Negation
Simple form
I cannot ax you cannot ax he cannot ax we cannot ax you cannot ax they cannot ax
V-ing form
I cannot be axing you cannot be axing he cannot be axing we cannot be axing you cannot be axing they cannot be axing
Perfect
I cannot have axed you cannot have axed he cannot have axed we cannot have axed you cannot have axed they cannot have axed
V-ing perfect
I cannot have been axing you cannot have been axing he cannot have been axing we cannot have been axing you cannot have been axing they cannot have been axing
Interrogative form
Simple form
can I ax? can you ax? can he ax? can we ax? can you ax? can they ax?
V-ing form
can I be axing? can you be axing? can he be axing? can we be axing? can you be axing? can they be axing?
Perfect
can I have axed? can you have axed? can he have axed? can we have axed? can you have axed? can they have axed?
V-ing perfect
can I have been axing? can you have been axing? can he have been axing? can we have been axing? can you have been axing? can they have been axing?
Interro-negative form
Simple form
can I not ax? can you not ax? can he not ax? can we not ax? can you not ax? can they not ax?
V-ing form
can I not be axing? can you not be axing? can he not be axing? can we not be axing? can you not be axing? can they not be axing?
Perfect
can I not have axed? can you not have axed? can he not have axed? can we not have axed? can you not have axed? can they not have axed?
V-ing perfect
can I not have been axing? can you not have been axing? can he not have been axing? can we not have been axing? can you not have been axing? can they not have been axing?