English verb conjugation
MUST ROMP

Regular verb: romp - romped - romped

Affirmation

Simple form	V-ing form
I must romp you must romp she must romp we must romp you must romp they must romp	I must be romping you must be romping she 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 she 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 she 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 mustn't romp you mustn't romp she mustn't romp we mustn't romp you mustn't romp they mustn't romp	I mustn't be romping you mustn't be romping she mustn't be romping we mustn't be romping you mustn't be romping they mustn't be romping
Perfect	V-ing perfect
I mustn't have romped you mustn't have romped she mustn't have romped we mustn't have romped you mustn't have romped they mustn't have romped	I mustn't have been romping you mustn't have been romping she mustn't have been romping we mustn't have been romping you mustn't have been romping they mustn't have been romping

Interrogative form

Simple form	V-ing form
must I romp? must you romp? must she romp? must we romp? must you romp? must they romp?	must I be romping? must you be romping? must she 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 she 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 she 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
mustn't I romp? mustn't you romp? mustn't she romp? mustn't we romp? mustn't you romp? mustn't they romp?	mustn't I be romping? mustn't you be romping? mustn't she be romping? mustn't we be romping? mustn't you be romping? mustn't they be romping?
Perfect	V-ing perfect
mustn't I have romped? mustn't you have romped? mustn't she have romped? mustn't we have romped? mustn't you have romped? mustn't they have romped?	mustn't I have been romping? mustn't you have been romping? mustn't she have been romping? mustn't we have been romping? mustn't you have been romping? mustn't they have been romping?