English verb conjugation
COULD VITUPERATE

Regular verb: vituperate - vituperated - vituperated

Affirmation

Simple form	V-ing form
I could vituperate you could vituperate he could vituperate we could vituperate you could vituperate they could vituperate	I could be vituperating you could be vituperating he could be vituperating we could be vituperating you could be vituperating they could be vituperating
Perfect	V-ing perfect
I could have vituperated you could have vituperated he could have vituperated we could have vituperated you could have vituperated they could have vituperated	I could have been vituperating you could have been vituperating he could have been vituperating we could have been vituperating you could have been vituperating they could have been vituperating

Negation

Simple form	V-ing form
I could not vituperate you could not vituperate he could not vituperate we could not vituperate you could not vituperate they could not vituperate	I could not be vituperating you could not be vituperating he could not be vituperating we could not be vituperating you could not be vituperating they could not be vituperating
Perfect	V-ing perfect
I could not have vituperated you could not have vituperated he could not have vituperated we could not have vituperated you could not have vituperated they could not have vituperated	I could not have been vituperating you could not have been vituperating he could not have been vituperating we could not have been vituperating you could not have been vituperating they could not have been vituperating

Interrogative form

Simple form	V-ing form
could I vituperate? could you vituperate? could he vituperate? could we vituperate? could you vituperate? could they vituperate?	could I be vituperating? could you be vituperating? could he be vituperating? could we be vituperating? could you be vituperating? could they be vituperating?
Perfect	V-ing perfect
could I have vituperated? could you have vituperated? could he have vituperated? could we have vituperated? could you have vituperated? could they have vituperated?	could I have been vituperating? could you have been vituperating? could he have been vituperating? could we have been vituperating? could you have been vituperating? could they have been vituperating?

Interro-negative form

Simple form	V-ing form
could I not vituperate? could you not vituperate? could he not vituperate? could we not vituperate? could you not vituperate? could they not vituperate?	could I not be vituperating? could you not be vituperating? could he not be vituperating? could we not be vituperating? could you not be vituperating? could they not be vituperating?
Perfect	V-ing perfect
could I not have vituperated? could you not have vituperated? could he not have vituperated? could we not have vituperated? could you not have vituperated? could they not have vituperated?	could I not have been vituperating? could you not have been vituperating? could he not have been vituperating? could we not have been vituperating? could you not have been vituperating? could they not have been vituperating?