English verb conjugation
MUST LUG

Regular verb: lug - lugged - lugged

Affirmation

Simple form	V-ing form
I must lug you must lug he must lug we must lug you must lug they must lug	I must be lugging you must be lugging he must be lugging we must be lugging you must be lugging they must be lugging
Perfect	V-ing perfect
I must have lugged you must have lugged he must have lugged we must have lugged you must have lugged they must have lugged	I must have been lugging you must have been lugging he must have been lugging we must have been lugging you must have been lugging they must have been lugging

Negation

Simple form	V-ing form
I mustn't lug you mustn't lug he mustn't lug we mustn't lug you mustn't lug they mustn't lug	I mustn't be lugging you mustn't be lugging he mustn't be lugging we mustn't be lugging you mustn't be lugging they mustn't be lugging
Perfect	V-ing perfect
I mustn't have lugged you mustn't have lugged he mustn't have lugged we mustn't have lugged you mustn't have lugged they mustn't have lugged	I mustn't have been lugging you mustn't have been lugging he mustn't have been lugging we mustn't have been lugging you mustn't have been lugging they mustn't have been lugging

Interrogative form

Simple form	V-ing form
must I lug? must you lug? must he lug? must we lug? must you lug? must they lug?	must I be lugging? must you be lugging? must he be lugging? must we be lugging? must you be lugging? must they be lugging?
Perfect	V-ing perfect
must I have lugged? must you have lugged? must he have lugged? must we have lugged? must you have lugged? must they have lugged?	must I have been lugging? must you have been lugging? must he have been lugging? must we have been lugging? must you have been lugging? must they have been lugging?

Interro-negative form

Simple form	V-ing form
mustn't I lug? mustn't you lug? mustn't he lug? mustn't we lug? mustn't you lug? mustn't they lug?	mustn't I be lugging? mustn't you be lugging? mustn't he be lugging? mustn't we be lugging? mustn't you be lugging? mustn't they be lugging?
Perfect	V-ing perfect
mustn't I have lugged? mustn't you have lugged? mustn't he have lugged? mustn't we have lugged? mustn't you have lugged? mustn't they have lugged?	mustn't I have been lugging? mustn't you have been lugging? mustn't he have been lugging? mustn't we have been lugging? mustn't you have been lugging? mustn't they have been lugging?