I can chow you can chow she can chow we can chow you can chow they can chow
V-ing form
I can be chowing you can be chowing she can be chowing we can be chowing you can be chowing they can be chowing
Perfect
I can have chowed you can have chowed she can have chowed we can have chowed you can have chowed they can have chowed
V-ing perfect
I can have been chowing you can have been chowing she can have been chowing we can have been chowing you can have been chowing they can have been chowing
Negation
Simple form
I can't chow you can't chow she can't chow we can't chow you can't chow they can't chow
V-ing form
I can't be chowing you can't be chowing she can't be chowing we can't be chowing you can't be chowing they can't be chowing
Perfect
I can't have chowed you can't have chowed she can't have chowed we can't have chowed you can't have chowed they can't have chowed
V-ing perfect
I can't have been chowing you can't have been chowing she can't have been chowing we can't have been chowing you can't have been chowing they can't have been chowing
Interrogative form
Simple form
can I chow? can you chow? can she chow? can we chow? can you chow? can they chow?
V-ing form
can I be chowing? can you be chowing? can she be chowing? can we be chowing? can you be chowing? can they be chowing?
Perfect
can I have chowed? can you have chowed? can she have chowed? can we have chowed? can you have chowed? can they have chowed?
V-ing perfect
can I have been chowing? can you have been chowing? can she have been chowing? can we have been chowing? can you have been chowing? can they have been chowing?
Interro-negative form
Simple form
can't I chow? can't you chow? can't she chow? can't we chow? can't you chow? can't they chow?
V-ing form
can't I be chowing? can't you be chowing? can't she be chowing? can't we be chowing? can't you be chowing? can't they be chowing?
Perfect
can't I have chowed? can't you have chowed? can't she have chowed? can't we have chowed? can't you have chowed? can't they have chowed?
V-ing perfect
can't I have been chowing? can't you have been chowing? can't she have been chowing? can't we have been chowing? can't you have been chowing? can't they have been chowing?