I can chow you can chow he can chow we can chow you can chow they can chow
V-ing form
I can be chowing you can be chowing he can be chowing we can be chowing you can be chowing they can be chowing
Perfect
I can have chowed you can have chowed he 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 he 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 he 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 he 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 he 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 he 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 he chow? can we chow? can you chow? can they chow?
V-ing form
can I be chowing? can you be chowing? can he be chowing? can we be chowing? can you be chowing? can they be chowing?
Perfect
can I have chowed? can you have chowed? can he 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 he 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 he 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 he 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 he 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 he have been chowing? can't we have been chowing? can't you have been chowing? can't they have been chowing?