English verb conjugation
MUST GOOSESTEP

Regular verb: goosestep - goosesteped - goosesteped

Affirmation

Simple form	V-ing form
I must goosestep you must goosestep he must goosestep we must goosestep you must goosestep they must goosestep	I must be goosesteping you must be goosesteping he must be goosesteping we must be goosesteping you must be goosesteping they must be goosesteping
Perfect	V-ing perfect
I must have goosesteped you must have goosesteped he must have goosesteped we must have goosesteped you must have goosesteped they must have goosesteped	I must have been goosesteping you must have been goosesteping he must have been goosesteping we must have been goosesteping you must have been goosesteping they must have been goosesteping

Negation

Simple form	V-ing form
I mustn't goosestep you mustn't goosestep he mustn't goosestep we mustn't goosestep you mustn't goosestep they mustn't goosestep	I mustn't be goosesteping you mustn't be goosesteping he mustn't be goosesteping we mustn't be goosesteping you mustn't be goosesteping they mustn't be goosesteping
Perfect	V-ing perfect
I mustn't have goosesteped you mustn't have goosesteped he mustn't have goosesteped we mustn't have goosesteped you mustn't have goosesteped they mustn't have goosesteped	I mustn't have been goosesteping you mustn't have been goosesteping he mustn't have been goosesteping we mustn't have been goosesteping you mustn't have been goosesteping they mustn't have been goosesteping

Interrogative form

Simple form	V-ing form
must I goosestep? must you goosestep? must he goosestep? must we goosestep? must you goosestep? must they goosestep?	must I be goosesteping? must you be goosesteping? must he be goosesteping? must we be goosesteping? must you be goosesteping? must they be goosesteping?
Perfect	V-ing perfect
must I have goosesteped? must you have goosesteped? must he have goosesteped? must we have goosesteped? must you have goosesteped? must they have goosesteped?	must I have been goosesteping? must you have been goosesteping? must he have been goosesteping? must we have been goosesteping? must you have been goosesteping? must they have been goosesteping?

Interro-negative form

Simple form	V-ing form
mustn't I goosestep? mustn't you goosestep? mustn't he goosestep? mustn't we goosestep? mustn't you goosestep? mustn't they goosestep?	mustn't I be goosesteping? mustn't you be goosesteping? mustn't he be goosesteping? mustn't we be goosesteping? mustn't you be goosesteping? mustn't they be goosesteping?
Perfect	V-ing perfect
mustn't I have goosesteped? mustn't you have goosesteped? mustn't he have goosesteped? mustn't we have goosesteped? mustn't you have goosesteped? mustn't they have goosesteped?	mustn't I have been goosesteping? mustn't you have been goosesteping? mustn't he have been goosesteping? mustn't we have been goosesteping? mustn't you have been goosesteping? mustn't they have been goosesteping?