English verb conjugation
MUST ECLIPSE

Regular verb: eclipse - eclipsed - eclipsed

Affirmation

Simple form	V-ing form
I must eclipse you must eclipse he must eclipse we must eclipse you must eclipse they must eclipse	I must be eclipsing you must be eclipsing he must be eclipsing we must be eclipsing you must be eclipsing they must be eclipsing
Perfect	V-ing perfect
I must have eclipsed you must have eclipsed he must have eclipsed we must have eclipsed you must have eclipsed they must have eclipsed	I must have been eclipsing you must have been eclipsing he must have been eclipsing we must have been eclipsing you must have been eclipsing they must have been eclipsing

Negation

Simple form	V-ing form
I mustn't eclipse you mustn't eclipse he mustn't eclipse we mustn't eclipse you mustn't eclipse they mustn't eclipse	I mustn't be eclipsing you mustn't be eclipsing he mustn't be eclipsing we mustn't be eclipsing you mustn't be eclipsing they mustn't be eclipsing
Perfect	V-ing perfect
I mustn't have eclipsed you mustn't have eclipsed he mustn't have eclipsed we mustn't have eclipsed you mustn't have eclipsed they mustn't have eclipsed	I mustn't have been eclipsing you mustn't have been eclipsing he mustn't have been eclipsing we mustn't have been eclipsing you mustn't have been eclipsing they mustn't have been eclipsing

Interrogative form

Simple form	V-ing form
must I eclipse? must you eclipse? must he eclipse? must we eclipse? must you eclipse? must they eclipse?	must I be eclipsing? must you be eclipsing? must he be eclipsing? must we be eclipsing? must you be eclipsing? must they be eclipsing?
Perfect	V-ing perfect
must I have eclipsed? must you have eclipsed? must he have eclipsed? must we have eclipsed? must you have eclipsed? must they have eclipsed?	must I have been eclipsing? must you have been eclipsing? must he have been eclipsing? must we have been eclipsing? must you have been eclipsing? must they have been eclipsing?

Interro-negative form

Simple form	V-ing form
mustn't I eclipse? mustn't you eclipse? mustn't he eclipse? mustn't we eclipse? mustn't you eclipse? mustn't they eclipse?	mustn't I be eclipsing? mustn't you be eclipsing? mustn't he be eclipsing? mustn't we be eclipsing? mustn't you be eclipsing? mustn't they be eclipsing?
Perfect	V-ing perfect
mustn't I have eclipsed? mustn't you have eclipsed? mustn't he have eclipsed? mustn't we have eclipsed? mustn't you have eclipsed? mustn't they have eclipsed?	mustn't I have been eclipsing? mustn't you have been eclipsing? mustn't he have been eclipsing? mustn't we have been eclipsing? mustn't you have been eclipsing? mustn't they have been eclipsing?