English verb conjugation
MUST ROMP

Regular verb: romp - romped - romped

Affirmation

Simple form	V-ing form
I must romp you must romp he must romp we must romp you must romp they must romp	I must be romping you must be romping he must be romping we must be romping you must be romping they must be romping
Perfect	V-ing perfect
I must have romped you must have romped he must have romped we must have romped you must have romped they must have romped	I must have been romping you must have been romping he must have been romping we must have been romping you must have been romping they must have been romping

Negation

Simple form	V-ing form
I must not romp you must not romp he must not romp we must not romp you must not romp they must not romp	I must not be romping you must not be romping he must not be romping we must not be romping you must not be romping they must not be romping
Perfect	V-ing perfect
I must not have romped you must not have romped he must not have romped we must not have romped you must not have romped they must not have romped	I must not have been romping you must not have been romping he must not have been romping we must not have been romping you must not have been romping they must not have been romping

Interrogative form

Simple form	V-ing form
must I romp? must you romp? must he romp? must we romp? must you romp? must they romp?	must I be romping? must you be romping? must he be romping? must we be romping? must you be romping? must they be romping?
Perfect	V-ing perfect
must I have romped? must you have romped? must he have romped? must we have romped? must you have romped? must they have romped?	must I have been romping? must you have been romping? must he have been romping? must we have been romping? must you have been romping? must they have been romping?

Interro-negative form

Simple form	V-ing form
must I not romp? must you not romp? must he not romp? must we not romp? must you not romp? must they not romp?	must I not be romping? must you not be romping? must he not be romping? must we not be romping? must you not be romping? must they not be romping?
Perfect	V-ing perfect
must I not have romped? must you not have romped? must he not have romped? must we not have romped? must you not have romped? must they not have romped?	must I not have been romping? must you not have been romping? must he not have been romping? must we not have been romping? must you not have been romping? must they not have been romping?