I can exit you can exit he can exit we can exit you can exit they can exit
V-ing form
I can be exiting you can be exiting he can be exiting we can be exiting you can be exiting they can be exiting
Perfect
I can have exited you can have exited he can have exited we can have exited you can have exited they can have exited
V-ing perfect
I can have been exiting you can have been exiting he can have been exiting we can have been exiting you can have been exiting they can have been exiting
Negation
Simple form
I can't exit you can't exit he can't exit we can't exit you can't exit they can't exit
V-ing form
I can't be exiting you can't be exiting he can't be exiting we can't be exiting you can't be exiting they can't be exiting
Perfect
I can't have exited you can't have exited he can't have exited we can't have exited you can't have exited they can't have exited
V-ing perfect
I can't have been exiting you can't have been exiting he can't have been exiting we can't have been exiting you can't have been exiting they can't have been exiting
Interrogative form
Simple form
can I exit? can you exit? can he exit? can we exit? can you exit? can they exit?
V-ing form
can I be exiting? can you be exiting? can he be exiting? can we be exiting? can you be exiting? can they be exiting?
Perfect
can I have exited? can you have exited? can he have exited? can we have exited? can you have exited? can they have exited?
V-ing perfect
can I have been exiting? can you have been exiting? can he have been exiting? can we have been exiting? can you have been exiting? can they have been exiting?
Interro-negative form
Simple form
can't I exit? can't you exit? can't he exit? can't we exit? can't you exit? can't they exit?
V-ing form
can't I be exiting? can't you be exiting? can't he be exiting? can't we be exiting? can't you be exiting? can't they be exiting?
Perfect
can't I have exited? can't you have exited? can't he have exited? can't we have exited? can't you have exited? can't they have exited?
V-ing perfect
can't I have been exiting? can't you have been exiting? can't he have been exiting? can't we have been exiting? can't you have been exiting? can't they have been exiting?