English verb conjugation
MUST GEM

Regular verb: gem - gemed - gemed

Affirmation

Simple form	V-ing form
I must gem you must gem he must gem we must gem you must gem they must gem	I must be geming you must be geming he must be geming we must be geming you must be geming they must be geming
Perfect	V-ing perfect
I must have gemed you must have gemed he must have gemed we must have gemed you must have gemed they must have gemed	I must have been geming you must have been geming he must have been geming we must have been geming you must have been geming they must have been geming

Negation

Simple form	V-ing form
I mustn't gem you mustn't gem he mustn't gem we mustn't gem you mustn't gem they mustn't gem	I mustn't be geming you mustn't be geming he mustn't be geming we mustn't be geming you mustn't be geming they mustn't be geming
Perfect	V-ing perfect
I mustn't have gemed you mustn't have gemed he mustn't have gemed we mustn't have gemed you mustn't have gemed they mustn't have gemed	I mustn't have been geming you mustn't have been geming he mustn't have been geming we mustn't have been geming you mustn't have been geming they mustn't have been geming

Interrogative form

Simple form	V-ing form
must I gem? must you gem? must he gem? must we gem? must you gem? must they gem?	must I be geming? must you be geming? must he be geming? must we be geming? must you be geming? must they be geming?
Perfect	V-ing perfect
must I have gemed? must you have gemed? must he have gemed? must we have gemed? must you have gemed? must they have gemed?	must I have been geming? must you have been geming? must he have been geming? must we have been geming? must you have been geming? must they have been geming?

Interro-negative form

Simple form	V-ing form
mustn't I gem? mustn't you gem? mustn't he gem? mustn't we gem? mustn't you gem? mustn't they gem?	mustn't I be geming? mustn't you be geming? mustn't he be geming? mustn't we be geming? mustn't you be geming? mustn't they be geming?
Perfect	V-ing perfect
mustn't I have gemed? mustn't you have gemed? mustn't he have gemed? mustn't we have gemed? mustn't you have gemed? mustn't they have gemed?	mustn't I have been geming? mustn't you have been geming? mustn't he have been geming? mustn't we have been geming? mustn't you have been geming? mustn't they have been geming?