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 must not smoulder you must not smoulder he must not smoulder we must not smoulder you must not smoulder they must not smoulder	I must not be smouldering you must not be smouldering he must not be smouldering we must not be smouldering you must not be smouldering they must not be smouldering
Perfect	V-ing perfect
I must not have smouldered you must not have smouldered he must not have smouldered we must not have smouldered you must not have smouldered they must not have smouldered	I must not have been smouldering you must not have been smouldering he must not have been smouldering we must not have been smouldering you must not have been smouldering they must not 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
must I not smoulder? must you not smoulder? must he not smoulder? must we not smoulder? must you not smoulder? must they not smoulder?	must I not be smouldering? must you not be smouldering? must he not be smouldering? must we not be smouldering? must you not be smouldering? must they not be smouldering?
Perfect	V-ing perfect
must I not have smouldered? must you not have smouldered? must he not have smouldered? must we not have smouldered? must you not have smouldered? must they not have smouldered?	must I not have been smouldering? must you not have been smouldering? must he not have been smouldering? must we not have been smouldering? must you not have been smouldering? must they not have been smouldering?