I can cab you can cab he can cab we can cab you can cab they can cab
V-ing form
I can be cabing you can be cabing he can be cabing we can be cabing you can be cabing they can be cabing
Perfect
I can have cabed you can have cabed he can have cabed we can have cabed you can have cabed they can have cabed
V-ing perfect
I can have been cabing you can have been cabing he can have been cabing we can have been cabing you can have been cabing they can have been cabing
Negation
Simple form
I can't cab you can't cab he can't cab we can't cab you can't cab they can't cab
V-ing form
I can't be cabing you can't be cabing he can't be cabing we can't be cabing you can't be cabing they can't be cabing
Perfect
I can't have cabed you can't have cabed he can't have cabed we can't have cabed you can't have cabed they can't have cabed
V-ing perfect
I can't have been cabing you can't have been cabing he can't have been cabing we can't have been cabing you can't have been cabing they can't have been cabing
Interrogative form
Simple form
can I cab? can you cab? can he cab? can we cab? can you cab? can they cab?
V-ing form
can I be cabing? can you be cabing? can he be cabing? can we be cabing? can you be cabing? can they be cabing?
Perfect
can I have cabed? can you have cabed? can he have cabed? can we have cabed? can you have cabed? can they have cabed?
V-ing perfect
can I have been cabing? can you have been cabing? can he have been cabing? can we have been cabing? can you have been cabing? can they have been cabing?
Interro-negative form
Simple form
can't I cab? can't you cab? can't he cab? can't we cab? can't you cab? can't they cab?
V-ing form
can't I be cabing? can't you be cabing? can't he be cabing? can't we be cabing? can't you be cabing? can't they be cabing?
Perfect
can't I have cabed? can't you have cabed? can't he have cabed? can't we have cabed? can't you have cabed? can't they have cabed?
V-ing perfect
can't I have been cabing? can't you have been cabing? can't he have been cabing? can't we have been cabing? can't you have been cabing? can't they have been cabing?