English verb conjugation
MUST LIMP

Regular verb: limp - limped - limped

Affirmation

Simple form	V-ing form
I must limp you must limp she must limp we must limp you must limp they must limp	I must be limping you must be limping she must be limping we must be limping you must be limping they must be limping
Perfect	V-ing perfect
I must have limped you must have limped she must have limped we must have limped you must have limped they must have limped	I must have been limping you must have been limping she must have been limping we must have been limping you must have been limping they must have been limping

Negation

Simple form	V-ing form
I must not limp you must not limp she must not limp we must not limp you must not limp they must not limp	I must not be limping you must not be limping she must not be limping we must not be limping you must not be limping they must not be limping
Perfect	V-ing perfect
I must not have limped you must not have limped she must not have limped we must not have limped you must not have limped they must not have limped	I must not have been limping you must not have been limping she must not have been limping we must not have been limping you must not have been limping they must not have been limping

Interrogative form

Simple form	V-ing form
must I limp? must you limp? must she limp? must we limp? must you limp? must they limp?	must I be limping? must you be limping? must she be limping? must we be limping? must you be limping? must they be limping?
Perfect	V-ing perfect
must I have limped? must you have limped? must she have limped? must we have limped? must you have limped? must they have limped?	must I have been limping? must you have been limping? must she have been limping? must we have been limping? must you have been limping? must they have been limping?

Interro-negative form

Simple form	V-ing form
must I not limp? must you not limp? must she not limp? must we not limp? must you not limp? must they not limp?	must I not be limping? must you not be limping? must she not be limping? must we not be limping? must you not be limping? must they not be limping?
Perfect	V-ing perfect
must I not have limped? must you not have limped? must she not have limped? must we not have limped? must you not have limped? must they not have limped?	must I not have been limping? must you not have been limping? must she not have been limping? must we not have been limping? must you not have been limping? must they not have been limping?