I can chock you can chock she can chock we can chock you can chock they can chock
V-ing form
I can be chocking you can be chocking she can be chocking we can be chocking you can be chocking they can be chocking
Perfect
I can have chocked you can have chocked she can have chocked we can have chocked you can have chocked they can have chocked
V-ing perfect
I can have been chocking you can have been chocking she can have been chocking we can have been chocking you can have been chocking they can have been chocking
Negation
Simple form
I can't chock you can't chock she can't chock we can't chock you can't chock they can't chock
V-ing form
I can't be chocking you can't be chocking she can't be chocking we can't be chocking you can't be chocking they can't be chocking
Perfect
I can't have chocked you can't have chocked she can't have chocked we can't have chocked you can't have chocked they can't have chocked
V-ing perfect
I can't have been chocking you can't have been chocking she can't have been chocking we can't have been chocking you can't have been chocking they can't have been chocking
Interrogative form
Simple form
can I chock? can you chock? can she chock? can we chock? can you chock? can they chock?
V-ing form
can I be chocking? can you be chocking? can she be chocking? can we be chocking? can you be chocking? can they be chocking?
Perfect
can I have chocked? can you have chocked? can she have chocked? can we have chocked? can you have chocked? can they have chocked?
V-ing perfect
can I have been chocking? can you have been chocking? can she have been chocking? can we have been chocking? can you have been chocking? can they have been chocking?
Interro-negative form
Simple form
can't I chock? can't you chock? can't she chock? can't we chock? can't you chock? can't they chock?
V-ing form
can't I be chocking? can't you be chocking? can't she be chocking? can't we be chocking? can't you be chocking? can't they be chocking?
Perfect
can't I have chocked? can't you have chocked? can't she have chocked? can't we have chocked? can't you have chocked? can't they have chocked?
V-ing perfect
can't I have been chocking? can't you have been chocking? can't she have been chocking? can't we have been chocking? can't you have been chocking? can't they have been chocking?