English verb conjugation
MUST JACKRABBIT

Regular verb: jackrabbit - jackrabbited - jackrabbited

Affirmation

Simple form	V-ing form
I must jackrabbit you must jackrabbit he must jackrabbit we must jackrabbit you must jackrabbit they must jackrabbit	I must be jackrabbiting you must be jackrabbiting he must be jackrabbiting we must be jackrabbiting you must be jackrabbiting they must be jackrabbiting
Perfect	V-ing perfect
I must have jackrabbited you must have jackrabbited he must have jackrabbited we must have jackrabbited you must have jackrabbited they must have jackrabbited	I must have been jackrabbiting you must have been jackrabbiting he must have been jackrabbiting we must have been jackrabbiting you must have been jackrabbiting they must have been jackrabbiting

Negation

Simple form	V-ing form
I mustn't jackrabbit you mustn't jackrabbit he mustn't jackrabbit we mustn't jackrabbit you mustn't jackrabbit they mustn't jackrabbit	I mustn't be jackrabbiting you mustn't be jackrabbiting he mustn't be jackrabbiting we mustn't be jackrabbiting you mustn't be jackrabbiting they mustn't be jackrabbiting
Perfect	V-ing perfect
I mustn't have jackrabbited you mustn't have jackrabbited he mustn't have jackrabbited we mustn't have jackrabbited you mustn't have jackrabbited they mustn't have jackrabbited	I mustn't have been jackrabbiting you mustn't have been jackrabbiting he mustn't have been jackrabbiting we mustn't have been jackrabbiting you mustn't have been jackrabbiting they mustn't have been jackrabbiting

Interrogative form

Simple form	V-ing form
must I jackrabbit? must you jackrabbit? must he jackrabbit? must we jackrabbit? must you jackrabbit? must they jackrabbit?	must I be jackrabbiting? must you be jackrabbiting? must he be jackrabbiting? must we be jackrabbiting? must you be jackrabbiting? must they be jackrabbiting?
Perfect	V-ing perfect
must I have jackrabbited? must you have jackrabbited? must he have jackrabbited? must we have jackrabbited? must you have jackrabbited? must they have jackrabbited?	must I have been jackrabbiting? must you have been jackrabbiting? must he have been jackrabbiting? must we have been jackrabbiting? must you have been jackrabbiting? must they have been jackrabbiting?

Interro-negative form

Simple form	V-ing form
mustn't I jackrabbit? mustn't you jackrabbit? mustn't he jackrabbit? mustn't we jackrabbit? mustn't you jackrabbit? mustn't they jackrabbit?	mustn't I be jackrabbiting? mustn't you be jackrabbiting? mustn't he be jackrabbiting? mustn't we be jackrabbiting? mustn't you be jackrabbiting? mustn't they be jackrabbiting?
Perfect	V-ing perfect
mustn't I have jackrabbited? mustn't you have jackrabbited? mustn't he have jackrabbited? mustn't we have jackrabbited? mustn't you have jackrabbited? mustn't they have jackrabbited?	mustn't I have been jackrabbiting? mustn't you have been jackrabbiting? mustn't he have been jackrabbiting? mustn't we have been jackrabbiting? mustn't you have been jackrabbiting? mustn't they have been jackrabbiting?