I can caseate you can caseate he can caseate we can caseate you can caseate they can caseate
V-ing form
I can be caseating you can be caseating he can be caseating we can be caseating you can be caseating they can be caseating
Perfect
I can have caseated you can have caseated he can have caseated we can have caseated you can have caseated they can have caseated
V-ing perfect
I can have been caseating you can have been caseating he can have been caseating we can have been caseating you can have been caseating they can have been caseating
Negation
Simple form
I can't caseate you can't caseate he can't caseate we can't caseate you can't caseate they can't caseate
V-ing form
I can't be caseating you can't be caseating he can't be caseating we can't be caseating you can't be caseating they can't be caseating
Perfect
I can't have caseated you can't have caseated he can't have caseated we can't have caseated you can't have caseated they can't have caseated
V-ing perfect
I can't have been caseating you can't have been caseating he can't have been caseating we can't have been caseating you can't have been caseating they can't have been caseating
Interrogative form
Simple form
can I caseate? can you caseate? can he caseate? can we caseate? can you caseate? can they caseate?
V-ing form
can I be caseating? can you be caseating? can he be caseating? can we be caseating? can you be caseating? can they be caseating?
Perfect
can I have caseated? can you have caseated? can he have caseated? can we have caseated? can you have caseated? can they have caseated?
V-ing perfect
can I have been caseating? can you have been caseating? can he have been caseating? can we have been caseating? can you have been caseating? can they have been caseating?
Interro-negative form
Simple form
can't I caseate? can't you caseate? can't he caseate? can't we caseate? can't you caseate? can't they caseate?
V-ing form
can't I be caseating? can't you be caseating? can't he be caseating? can't we be caseating? can't you be caseating? can't they be caseating?
Perfect
can't I have caseated? can't you have caseated? can't he have caseated? can't we have caseated? can't you have caseated? can't they have caseated?
V-ing perfect
can't I have been caseating? can't you have been caseating? can't he have been caseating? can't we have been caseating? can't you have been caseating? can't they have been caseating?