English verb conjugation
MUST CARBURISE

Regular verb: carburise - carburised - carburised

Affirmation

Simple form	V-ing form
I must carburise you must carburise he must carburise we must carburise you must carburise they must carburise	I must be carburising you must be carburising he must be carburising we must be carburising you must be carburising they must be carburising
Perfect	V-ing perfect
I must have carburised you must have carburised he must have carburised we must have carburised you must have carburised they must have carburised	I must have been carburising you must have been carburising he must have been carburising we must have been carburising you must have been carburising they must have been carburising

Negation

Simple form	V-ing form
I must not carburise you must not carburise he must not carburise we must not carburise you must not carburise they must not carburise	I must not be carburising you must not be carburising he must not be carburising we must not be carburising you must not be carburising they must not be carburising
Perfect	V-ing perfect
I must not have carburised you must not have carburised he must not have carburised we must not have carburised you must not have carburised they must not have carburised	I must not have been carburising you must not have been carburising he must not have been carburising we must not have been carburising you must not have been carburising they must not have been carburising

Interrogative form

Simple form	V-ing form
must I carburise? must you carburise? must he carburise? must we carburise? must you carburise? must they carburise?	must I be carburising? must you be carburising? must he be carburising? must we be carburising? must you be carburising? must they be carburising?
Perfect	V-ing perfect
must I have carburised? must you have carburised? must he have carburised? must we have carburised? must you have carburised? must they have carburised?	must I have been carburising? must you have been carburising? must he have been carburising? must we have been carburising? must you have been carburising? must they have been carburising?

Interro-negative form

Simple form	V-ing form
must I not carburise? must you not carburise? must he not carburise? must we not carburise? must you not carburise? must they not carburise?	must I not be carburising? must you not be carburising? must he not be carburising? must we not be carburising? must you not be carburising? must they not be carburising?
Perfect	V-ing perfect
must I not have carburised? must you not have carburised? must he not have carburised? must we not have carburised? must you not have carburised? must they not have carburised?	must I not have been carburising? must you not have been carburising? must he not have been carburising? must we not have been carburising? must you not have been carburising? must they not have been carburising?