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 can't vituperate you can't vituperate he can't vituperate we can't vituperate you can't vituperate they can't vituperate
V-ing form
I can't be vituperating you can't be vituperating he can't be vituperating we can't be vituperating you can't be vituperating they can't be vituperating
Perfect
I can't have vituperated you can't have vituperated he can't have vituperated we can't have vituperated you can't have vituperated they can't have vituperated
V-ing perfect
I can't have been vituperating you can't have been vituperating he can't have been vituperating we can't have been vituperating you can't have been vituperating they can't 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't I vituperate? can't you vituperate? can't he vituperate? can't we vituperate? can't you vituperate? can't they vituperate?
V-ing form
can't I be vituperating? can't you be vituperating? can't he be vituperating? can't we be vituperating? can't you be vituperating? can't they be vituperating?
Perfect
can't I have vituperated? can't you have vituperated? can't he have vituperated? can't we have vituperated? can't you have vituperated? can't they have vituperated?
V-ing perfect
can't I have been vituperating? can't you have been vituperating? can't he have been vituperating? can't we have been vituperating? can't you have been vituperating? can't they have been vituperating?