English verb conjugation
MUST SMOULDER

Regular verb: smoulder - smouldered - smouldered

Affirmation

Simple form	V-ing form
I must smoulder you must smoulder he must smoulder we must smoulder you must smoulder they must smoulder	I must be smouldering you must be smouldering he must be smouldering we must be smouldering you must be smouldering they must be smouldering
Perfect	V-ing perfect
I must have smouldered you must have smouldered he must have smouldered we must have smouldered you must have smouldered they must have smouldered	I must have been smouldering you must have been smouldering he must have been smouldering we must have been smouldering you must have been smouldering they must have been smouldering

Negation

Simple form	V-ing form
I mustn't smoulder you mustn't smoulder he mustn't smoulder we mustn't smoulder you mustn't smoulder they mustn't smoulder	I mustn't be smouldering you mustn't be smouldering he mustn't be smouldering we mustn't be smouldering you mustn't be smouldering they mustn't be smouldering
Perfect	V-ing perfect
I mustn't have smouldered you mustn't have smouldered he mustn't have smouldered we mustn't have smouldered you mustn't have smouldered they mustn't have smouldered	I mustn't have been smouldering you mustn't have been smouldering he mustn't have been smouldering we mustn't have been smouldering you mustn't have been smouldering they mustn't have been smouldering

Interrogative form

Simple form	V-ing form
must I smoulder? must you smoulder? must he smoulder? must we smoulder? must you smoulder? must they smoulder?	must I be smouldering? must you be smouldering? must he be smouldering? must we be smouldering? must you be smouldering? must they be smouldering?
Perfect	V-ing perfect
must I have smouldered? must you have smouldered? must he have smouldered? must we have smouldered? must you have smouldered? must they have smouldered?	must I have been smouldering? must you have been smouldering? must he have been smouldering? must we have been smouldering? must you have been smouldering? must they have been smouldering?

Interro-negative form

Simple form	V-ing form
mustn't I smoulder? mustn't you smoulder? mustn't he smoulder? mustn't we smoulder? mustn't you smoulder? mustn't they smoulder?	mustn't I be smouldering? mustn't you be smouldering? mustn't he be smouldering? mustn't we be smouldering? mustn't you be smouldering? mustn't they be smouldering?
Perfect	V-ing perfect
mustn't I have smouldered? mustn't you have smouldered? mustn't he have smouldered? mustn't we have smouldered? mustn't you have smouldered? mustn't they have smouldered?	mustn't I have been smouldering? mustn't you have been smouldering? mustn't he have been smouldering? mustn't we have been smouldering? mustn't you have been smouldering? mustn't they have been smouldering?