I can vituperate you can vituperate he can vituperate we can vituperate you can vituperate they can vituperate
V-ing form
I can be vituperating you can be vituperating he can be vituperating we can be vituperating you can be vituperating they can be vituperating
Perfect
I can have vituperated you can have vituperated he can have vituperated we can have vituperated you can have vituperated they can have vituperated
V-ing perfect
I can have been vituperating you can have been vituperating he can have been vituperating we can have been vituperating you can have been vituperating they can have been vituperating
Negation
Simple form
I cannot vituperate you cannot vituperate he cannot vituperate we cannot vituperate you cannot vituperate they cannot vituperate
V-ing form
I cannot be vituperating you cannot be vituperating he cannot be vituperating we cannot be vituperating you cannot be vituperating they cannot be vituperating
Perfect
I cannot have vituperated you cannot have vituperated he cannot have vituperated we cannot have vituperated you cannot have vituperated they cannot have vituperated
V-ing perfect
I cannot have been vituperating you cannot have been vituperating he cannot have been vituperating we cannot have been vituperating you cannot have been vituperating they cannot have been vituperating
Interrogative form
Simple form
can I vituperate? can you vituperate? can he vituperate? can we vituperate? can you vituperate? can they vituperate?
V-ing form
can I be vituperating? can you be vituperating? can he be vituperating? can we be vituperating? can you be vituperating? can they be vituperating?
Perfect
can I have vituperated? can you have vituperated? can he have vituperated? can we have vituperated? can you have vituperated? can they have vituperated?
V-ing perfect
can I have been vituperating? can you have been vituperating? can he have been vituperating? can we have been vituperating? can you have been vituperating? can they have been vituperating?
Interro-negative form
Simple form
can I not vituperate? can you not vituperate? can he not vituperate? can we not vituperate? can you not vituperate? can they not vituperate?
V-ing form
can I not be vituperating? can you not be vituperating? can he not be vituperating? can we not be vituperating? can you not be vituperating? can they not be vituperating?
Perfect
can I not have vituperated? can you not have vituperated? can he not have vituperated? can we not have vituperated? can you not have vituperated? can they not have vituperated?
V-ing perfect
can I not have been vituperating? can you not have been vituperating? can he not have been vituperating? can we not have been vituperating? can you not have been vituperating? can they not have been vituperating?