I can jail you can jail he can jail we can jail you can jail they can jail
V-ing form
I can be jailing you can be jailing he can be jailing we can be jailing you can be jailing they can be jailing
Perfect
I can have jailed you can have jailed he can have jailed we can have jailed you can have jailed they can have jailed
V-ing perfect
I can have been jailing you can have been jailing he can have been jailing we can have been jailing you can have been jailing they can have been jailing
Negation
Simple form
I cannot jail you cannot jail he cannot jail we cannot jail you cannot jail they cannot jail
V-ing form
I cannot be jailing you cannot be jailing he cannot be jailing we cannot be jailing you cannot be jailing they cannot be jailing
Perfect
I cannot have jailed you cannot have jailed he cannot have jailed we cannot have jailed you cannot have jailed they cannot have jailed
V-ing perfect
I cannot have been jailing you cannot have been jailing he cannot have been jailing we cannot have been jailing you cannot have been jailing they cannot have been jailing
Interrogative form
Simple form
can I jail? can you jail? can he jail? can we jail? can you jail? can they jail?
V-ing form
can I be jailing? can you be jailing? can he be jailing? can we be jailing? can you be jailing? can they be jailing?
Perfect
can I have jailed? can you have jailed? can he have jailed? can we have jailed? can you have jailed? can they have jailed?
V-ing perfect
can I have been jailing? can you have been jailing? can he have been jailing? can we have been jailing? can you have been jailing? can they have been jailing?
Interro-negative form
Simple form
can I not jail? can you not jail? can he not jail? can we not jail? can you not jail? can they not jail?
V-ing form
can I not be jailing? can you not be jailing? can he not be jailing? can we not be jailing? can you not be jailing? can they not be jailing?
Perfect
can I not have jailed? can you not have jailed? can he not have jailed? can we not have jailed? can you not have jailed? can they not have jailed?
V-ing perfect
can I not have been jailing? can you not have been jailing? can he not have been jailing? can we not have been jailing? can you not have been jailing? can they not have been jailing?