I can avail you can avail he can avail we can avail you can avail they can avail
V-ing form
I can be availing you can be availing he can be availing we can be availing you can be availing they can be availing
Perfect
I can have availed you can have availed he can have availed we can have availed you can have availed they can have availed
V-ing perfect
I can have been availing you can have been availing he can have been availing we can have been availing you can have been availing they can have been availing
Negation
Simple form
I cannot avail you cannot avail he cannot avail we cannot avail you cannot avail they cannot avail
V-ing form
I cannot be availing you cannot be availing he cannot be availing we cannot be availing you cannot be availing they cannot be availing
Perfect
I cannot have availed you cannot have availed he cannot have availed we cannot have availed you cannot have availed they cannot have availed
V-ing perfect
I cannot have been availing you cannot have been availing he cannot have been availing we cannot have been availing you cannot have been availing they cannot have been availing
Interrogative form
Simple form
can I avail? can you avail? can he avail? can we avail? can you avail? can they avail?
V-ing form
can I be availing? can you be availing? can he be availing? can we be availing? can you be availing? can they be availing?
Perfect
can I have availed? can you have availed? can he have availed? can we have availed? can you have availed? can they have availed?
V-ing perfect
can I have been availing? can you have been availing? can he have been availing? can we have been availing? can you have been availing? can they have been availing?
Interro-negative form
Simple form
can I not avail? can you not avail? can he not avail? can we not avail? can you not avail? can they not avail?
V-ing form
can I not be availing? can you not be availing? can he not be availing? can we not be availing? can you not be availing? can they not be availing?
Perfect
can I not have availed? can you not have availed? can he not have availed? can we not have availed? can you not have availed? can they not have availed?
V-ing perfect
can I not have been availing? can you not have been availing? can he not have been availing? can we not have been availing? can you not have been availing? can they not have been availing?