English verb conjugation
MUST CRAP

Regular verb: crap - craped - craped

Affirmation

Simple form	V-ing form
I must crap you must crap he must crap we must crap you must crap they must crap	I must be craping you must be craping he must be craping we must be craping you must be craping they must be craping
Perfect	V-ing perfect
I must have craped you must have craped he must have craped we must have craped you must have craped they must have craped	I must have been craping you must have been craping he must have been craping we must have been craping you must have been craping they must have been craping

Negation

Simple form	V-ing form
I must not crap you must not crap he must not crap we must not crap you must not crap they must not crap	I must not be craping you must not be craping he must not be craping we must not be craping you must not be craping they must not be craping
Perfect	V-ing perfect
I must not have craped you must not have craped he must not have craped we must not have craped you must not have craped they must not have craped	I must not have been craping you must not have been craping he must not have been craping we must not have been craping you must not have been craping they must not have been craping

Interrogative form

Simple form	V-ing form
must I crap? must you crap? must he crap? must we crap? must you crap? must they crap?	must I be craping? must you be craping? must he be craping? must we be craping? must you be craping? must they be craping?
Perfect	V-ing perfect
must I have craped? must you have craped? must he have craped? must we have craped? must you have craped? must they have craped?	must I have been craping? must you have been craping? must he have been craping? must we have been craping? must you have been craping? must they have been craping?

Interro-negative form

Simple form	V-ing form
must I not crap? must you not crap? must he not crap? must we not crap? must you not crap? must they not crap?	must I not be craping? must you not be craping? must he not be craping? must we not be craping? must you not be craping? must they not be craping?
Perfect	V-ing perfect
must I not have craped? must you not have craped? must he not have craped? must we not have craped? must you not have craped? must they not have craped?	must I not have been craping? must you not have been craping? must he not have been craping? must we not have been craping? must you not have been craping? must they not have been craping?