English verb conjugation
MUST BUFFALO

Regular verb: buffalo - buffaloed - buffaloed

Affirmation

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

Negation

Simple form	V-ing form
I mustn't buffalo you mustn't buffalo he mustn't buffalo we mustn't buffalo you mustn't buffalo they mustn't buffalo	I mustn't be buffaloing you mustn't be buffaloing he mustn't be buffaloing we mustn't be buffaloing you mustn't be buffaloing they mustn't be buffaloing
Perfect	V-ing perfect
I mustn't have buffaloed you mustn't have buffaloed he mustn't have buffaloed we mustn't have buffaloed you mustn't have buffaloed they mustn't have buffaloed	I mustn't have been buffaloing you mustn't have been buffaloing he mustn't have been buffaloing we mustn't have been buffaloing you mustn't have been buffaloing they mustn't have been buffaloing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mustn't I buffalo? mustn't you buffalo? mustn't he buffalo? mustn't we buffalo? mustn't you buffalo? mustn't they buffalo?	mustn't I be buffaloing? mustn't you be buffaloing? mustn't he be buffaloing? mustn't we be buffaloing? mustn't you be buffaloing? mustn't they be buffaloing?
Perfect	V-ing perfect
mustn't I have buffaloed? mustn't you have buffaloed? mustn't he have buffaloed? mustn't we have buffaloed? mustn't you have buffaloed? mustn't they have buffaloed?	mustn't I have been buffaloing? mustn't you have been buffaloing? mustn't he have been buffaloing? mustn't we have been buffaloing? mustn't you have been buffaloing? mustn't they have been buffaloing?