I can castigate you can castigate he can castigate we can castigate you can castigate they can castigate
V-ing form
I can be castigating you can be castigating he can be castigating we can be castigating you can be castigating they can be castigating
Perfect
I can have castigated you can have castigated he can have castigated we can have castigated you can have castigated they can have castigated
V-ing perfect
I can have been castigating you can have been castigating he can have been castigating we can have been castigating you can have been castigating they can have been castigating
Negation
Simple form
I can't castigate you can't castigate he can't castigate we can't castigate you can't castigate they can't castigate
V-ing form
I can't be castigating you can't be castigating he can't be castigating we can't be castigating you can't be castigating they can't be castigating
Perfect
I can't have castigated you can't have castigated he can't have castigated we can't have castigated you can't have castigated they can't have castigated
V-ing perfect
I can't have been castigating you can't have been castigating he can't have been castigating we can't have been castigating you can't have been castigating they can't have been castigating
Interrogative form
Simple form
can I castigate? can you castigate? can he castigate? can we castigate? can you castigate? can they castigate?
V-ing form
can I be castigating? can you be castigating? can he be castigating? can we be castigating? can you be castigating? can they be castigating?
Perfect
can I have castigated? can you have castigated? can he have castigated? can we have castigated? can you have castigated? can they have castigated?
V-ing perfect
can I have been castigating? can you have been castigating? can he have been castigating? can we have been castigating? can you have been castigating? can they have been castigating?
Interro-negative form
Simple form
can't I castigate? can't you castigate? can't he castigate? can't we castigate? can't you castigate? can't they castigate?
V-ing form
can't I be castigating? can't you be castigating? can't he be castigating? can't we be castigating? can't you be castigating? can't they be castigating?
Perfect
can't I have castigated? can't you have castigated? can't he have castigated? can't we have castigated? can't you have castigated? can't they have castigated?
V-ing perfect
can't I have been castigating? can't you have been castigating? can't he have been castigating? can't we have been castigating? can't you have been castigating? can't they have been castigating?