English verb conjugation
MUST BARBEQUE

Regular verb: barbeque - barbequed - barbequed

Affirmation

Simple form	V-ing form
I must barbeque you must barbeque she must barbeque we must barbeque you must barbeque they must barbeque	I must be barbequing you must be barbequing she must be barbequing we must be barbequing you must be barbequing they must be barbequing
Perfect	V-ing perfect
I must have barbequed you must have barbequed she must have barbequed we must have barbequed you must have barbequed they must have barbequed	I must have been barbequing you must have been barbequing she must have been barbequing we must have been barbequing you must have been barbequing they must have been barbequing

Negation

Simple form	V-ing form
I must not barbeque you must not barbeque she must not barbeque we must not barbeque you must not barbeque they must not barbeque	I must not be barbequing you must not be barbequing she must not be barbequing we must not be barbequing you must not be barbequing they must not be barbequing
Perfect	V-ing perfect
I must not have barbequed you must not have barbequed she must not have barbequed we must not have barbequed you must not have barbequed they must not have barbequed	I must not have been barbequing you must not have been barbequing she must not have been barbequing we must not have been barbequing you must not have been barbequing they must not have been barbequing

Interrogative form

Simple form	V-ing form
must I barbeque? must you barbeque? must she barbeque? must we barbeque? must you barbeque? must they barbeque?	must I be barbequing? must you be barbequing? must she be barbequing? must we be barbequing? must you be barbequing? must they be barbequing?
Perfect	V-ing perfect
must I have barbequed? must you have barbequed? must she have barbequed? must we have barbequed? must you have barbequed? must they have barbequed?	must I have been barbequing? must you have been barbequing? must she have been barbequing? must we have been barbequing? must you have been barbequing? must they have been barbequing?

Interro-negative form

Simple form	V-ing form
must I not barbeque? must you not barbeque? must she not barbeque? must we not barbeque? must you not barbeque? must they not barbeque?	must I not be barbequing? must you not be barbequing? must she not be barbequing? must we not be barbequing? must you not be barbequing? must they not be barbequing?
Perfect	V-ing perfect
must I not have barbequed? must you not have barbequed? must she not have barbequed? must we not have barbequed? must you not have barbequed? must they not have barbequed?	must I not have been barbequing? must you not have been barbequing? must she not have been barbequing? must we not have been barbequing? must you not have been barbequing? must they not have been barbequing?