English verb conjugation
MUST MELT

Regular verb: melt - melted - melted

Affirmation

Simple form	V-ing form
I must melt you must melt she must melt we must melt you must melt they must melt	I must be melting you must be melting she must be melting we must be melting you must be melting they must be melting
Perfect	V-ing perfect
I must have melted you must have melted she must have melted we must have melted you must have melted they must have melted	I must have been melting you must have been melting she must have been melting we must have been melting you must have been melting they must have been melting

Negation

Simple form	V-ing form
I mustn't melt you mustn't melt she mustn't melt we mustn't melt you mustn't melt they mustn't melt	I mustn't be melting you mustn't be melting she mustn't be melting we mustn't be melting you mustn't be melting they mustn't be melting
Perfect	V-ing perfect
I mustn't have melted you mustn't have melted she mustn't have melted we mustn't have melted you mustn't have melted they mustn't have melted	I mustn't have been melting you mustn't have been melting she mustn't have been melting we mustn't have been melting you mustn't have been melting they mustn't have been melting

Interrogative form

Simple form	V-ing form
must I melt? must you melt? must she melt? must we melt? must you melt? must they melt?	must I be melting? must you be melting? must she be melting? must we be melting? must you be melting? must they be melting?
Perfect	V-ing perfect
must I have melted? must you have melted? must she have melted? must we have melted? must you have melted? must they have melted?	must I have been melting? must you have been melting? must she have been melting? must we have been melting? must you have been melting? must they have been melting?

Interro-negative form

Simple form	V-ing form
mustn't I melt? mustn't you melt? mustn't she melt? mustn't we melt? mustn't you melt? mustn't they melt?	mustn't I be melting? mustn't you be melting? mustn't she be melting? mustn't we be melting? mustn't you be melting? mustn't they be melting?
Perfect	V-ing perfect
mustn't I have melted? mustn't you have melted? mustn't she have melted? mustn't we have melted? mustn't you have melted? mustn't they have melted?	mustn't I have been melting? mustn't you have been melting? mustn't she have been melting? mustn't we have been melting? mustn't you have been melting? mustn't they have been melting?