English verb conjugation
MUST STAMPEDE

Regular verb: stampede - stampeded - stampeded

Affirmation

Simple form	V-ing form
I must stampede you must stampede he must stampede we must stampede you must stampede they must stampede	I must be stampeding you must be stampeding he must be stampeding we must be stampeding you must be stampeding they must be stampeding
Perfect	V-ing perfect
I must have stampeded you must have stampeded he must have stampeded we must have stampeded you must have stampeded they must have stampeded	I must have been stampeding you must have been stampeding he must have been stampeding we must have been stampeding you must have been stampeding they must have been stampeding

Negation

Simple form	V-ing form
I mustn't stampede you mustn't stampede he mustn't stampede we mustn't stampede you mustn't stampede they mustn't stampede	I mustn't be stampeding you mustn't be stampeding he mustn't be stampeding we mustn't be stampeding you mustn't be stampeding they mustn't be stampeding
Perfect	V-ing perfect
I mustn't have stampeded you mustn't have stampeded he mustn't have stampeded we mustn't have stampeded you mustn't have stampeded they mustn't have stampeded	I mustn't have been stampeding you mustn't have been stampeding he mustn't have been stampeding we mustn't have been stampeding you mustn't have been stampeding they mustn't have been stampeding

Interrogative form

Simple form	V-ing form
must I stampede? must you stampede? must he stampede? must we stampede? must you stampede? must they stampede?	must I be stampeding? must you be stampeding? must he be stampeding? must we be stampeding? must you be stampeding? must they be stampeding?
Perfect	V-ing perfect
must I have stampeded? must you have stampeded? must he have stampeded? must we have stampeded? must you have stampeded? must they have stampeded?	must I have been stampeding? must you have been stampeding? must he have been stampeding? must we have been stampeding? must you have been stampeding? must they have been stampeding?

Interro-negative form

Simple form	V-ing form
mustn't I stampede? mustn't you stampede? mustn't he stampede? mustn't we stampede? mustn't you stampede? mustn't they stampede?	mustn't I be stampeding? mustn't you be stampeding? mustn't he be stampeding? mustn't we be stampeding? mustn't you be stampeding? mustn't they be stampeding?
Perfect	V-ing perfect
mustn't I have stampeded? mustn't you have stampeded? mustn't he have stampeded? mustn't we have stampeded? mustn't you have stampeded? mustn't they have stampeded?	mustn't I have been stampeding? mustn't you have been stampeding? mustn't he have been stampeding? mustn't we have been stampeding? mustn't you have been stampeding? mustn't they have been stampeding?