English verb conjugation
MUST SENTINEL

Regular verb: sentinel - sentineled - sentineled

Affirmation

Simple form	V-ing form
I must sentinel you must sentinel she must sentinel we must sentinel you must sentinel they must sentinel	I must be sentineling you must be sentineling she must be sentineling we must be sentineling you must be sentineling they must be sentineling
Perfect	V-ing perfect
I must have sentineled you must have sentineled she must have sentineled we must have sentineled you must have sentineled they must have sentineled	I must have been sentineling you must have been sentineling she must have been sentineling we must have been sentineling you must have been sentineling they must have been sentineling

Negation

Simple form	V-ing form
I mustn't sentinel you mustn't sentinel she mustn't sentinel we mustn't sentinel you mustn't sentinel they mustn't sentinel	I mustn't be sentineling you mustn't be sentineling she mustn't be sentineling we mustn't be sentineling you mustn't be sentineling they mustn't be sentineling
Perfect	V-ing perfect
I mustn't have sentineled you mustn't have sentineled she mustn't have sentineled we mustn't have sentineled you mustn't have sentineled they mustn't have sentineled	I mustn't have been sentineling you mustn't have been sentineling she mustn't have been sentineling we mustn't have been sentineling you mustn't have been sentineling they mustn't have been sentineling

Interrogative form

Simple form	V-ing form
must I sentinel? must you sentinel? must she sentinel? must we sentinel? must you sentinel? must they sentinel?	must I be sentineling? must you be sentineling? must she be sentineling? must we be sentineling? must you be sentineling? must they be sentineling?
Perfect	V-ing perfect
must I have sentineled? must you have sentineled? must she have sentineled? must we have sentineled? must you have sentineled? must they have sentineled?	must I have been sentineling? must you have been sentineling? must she have been sentineling? must we have been sentineling? must you have been sentineling? must they have been sentineling?

Interro-negative form

Simple form	V-ing form
mustn't I sentinel? mustn't you sentinel? mustn't she sentinel? mustn't we sentinel? mustn't you sentinel? mustn't they sentinel?	mustn't I be sentineling? mustn't you be sentineling? mustn't she be sentineling? mustn't we be sentineling? mustn't you be sentineling? mustn't they be sentineling?
Perfect	V-ing perfect
mustn't I have sentineled? mustn't you have sentineled? mustn't she have sentineled? mustn't we have sentineled? mustn't you have sentineled? mustn't they have sentineled?	mustn't I have been sentineling? mustn't you have been sentineling? mustn't she have been sentineling? mustn't we have been sentineling? mustn't you have been sentineling? mustn't they have been sentineling?