English verb conjugation
MUST SPRINT

Regular verb: sprint - sprinted - sprinted

Affirmation

Simple form	V-ing form
I must sprint you must sprint he must sprint we must sprint you must sprint they must sprint	I must be sprinting you must be sprinting he must be sprinting we must be sprinting you must be sprinting they must be sprinting
Perfect	V-ing perfect
I must have sprinted you must have sprinted he must have sprinted we must have sprinted you must have sprinted they must have sprinted	I must have been sprinting you must have been sprinting he must have been sprinting we must have been sprinting you must have been sprinting they must have been sprinting

Negation

Simple form	V-ing form
I mustn't sprint you mustn't sprint he mustn't sprint we mustn't sprint you mustn't sprint they mustn't sprint	I mustn't be sprinting you mustn't be sprinting he mustn't be sprinting we mustn't be sprinting you mustn't be sprinting they mustn't be sprinting
Perfect	V-ing perfect
I mustn't have sprinted you mustn't have sprinted he mustn't have sprinted we mustn't have sprinted you mustn't have sprinted they mustn't have sprinted	I mustn't have been sprinting you mustn't have been sprinting he mustn't have been sprinting we mustn't have been sprinting you mustn't have been sprinting they mustn't have been sprinting

Interrogative form

Simple form	V-ing form
must I sprint? must you sprint? must he sprint? must we sprint? must you sprint? must they sprint?	must I be sprinting? must you be sprinting? must he be sprinting? must we be sprinting? must you be sprinting? must they be sprinting?
Perfect	V-ing perfect
must I have sprinted? must you have sprinted? must he have sprinted? must we have sprinted? must you have sprinted? must they have sprinted?	must I have been sprinting? must you have been sprinting? must he have been sprinting? must we have been sprinting? must you have been sprinting? must they have been sprinting?

Interro-negative form

Simple form	V-ing form
mustn't I sprint? mustn't you sprint? mustn't he sprint? mustn't we sprint? mustn't you sprint? mustn't they sprint?	mustn't I be sprinting? mustn't you be sprinting? mustn't he be sprinting? mustn't we be sprinting? mustn't you be sprinting? mustn't they be sprinting?
Perfect	V-ing perfect
mustn't I have sprinted? mustn't you have sprinted? mustn't he have sprinted? mustn't we have sprinted? mustn't you have sprinted? mustn't they have sprinted?	mustn't I have been sprinting? mustn't you have been sprinting? mustn't he have been sprinting? mustn't we have been sprinting? mustn't you have been sprinting? mustn't they have been sprinting?