English verb conjugation
COULD BUFFALO

Regular verb: buffalo - buffaloed - buffaloed

Affirmation

Simple form	V-ing form
I could buffalo you could buffalo he could buffalo we could buffalo you could buffalo they could buffalo	I could be buffaloing you could be buffaloing he could be buffaloing we could be buffaloing you could be buffaloing they could be buffaloing
Perfect	V-ing perfect
I could have buffaloed you could have buffaloed he could have buffaloed we could have buffaloed you could have buffaloed they could have buffaloed	I could have been buffaloing you could have been buffaloing he could have been buffaloing we could have been buffaloing you could have been buffaloing they could have been buffaloing

Negation

Simple form	V-ing form
I could not buffalo you could not buffalo he could not buffalo we could not buffalo you could not buffalo they could not buffalo	I could not be buffaloing you could not be buffaloing he could not be buffaloing we could not be buffaloing you could not be buffaloing they could not be buffaloing
Perfect	V-ing perfect
I could not have buffaloed you could not have buffaloed he could not have buffaloed we could not have buffaloed you could not have buffaloed they could not have buffaloed	I could not have been buffaloing you could not have been buffaloing he could not have been buffaloing we could not have been buffaloing you could not have been buffaloing they could not have been buffaloing

Interrogative form

Simple form	V-ing form
could I buffalo? could you buffalo? could he buffalo? could we buffalo? could you buffalo? could they buffalo?	could I be buffaloing? could you be buffaloing? could he be buffaloing? could we be buffaloing? could you be buffaloing? could they be buffaloing?
Perfect	V-ing perfect
could I have buffaloed? could you have buffaloed? could he have buffaloed? could we have buffaloed? could you have buffaloed? could they have buffaloed?	could I have been buffaloing? could you have been buffaloing? could he have been buffaloing? could we have been buffaloing? could you have been buffaloing? could they have been buffaloing?

Interro-negative form

Simple form	V-ing form
could I not buffalo? could you not buffalo? could he not buffalo? could we not buffalo? could you not buffalo? could they not buffalo?	could I not be buffaloing? could you not be buffaloing? could he not be buffaloing? could we not be buffaloing? could you not be buffaloing? could they not be buffaloing?
Perfect	V-ing perfect
could I not have buffaloed? could you not have buffaloed? could he not have buffaloed? could we not have buffaloed? could you not have buffaloed? could they not have buffaloed?	could I not have been buffaloing? could you not have been buffaloing? could he not have been buffaloing? could we not have been buffaloing? could you not have been buffaloing? could they not have been buffaloing?