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 mustn't carburise you mustn't carburise he mustn't carburise we mustn't carburise you mustn't carburise they mustn't carburise	I mustn't be carburising you mustn't be carburising he mustn't be carburising we mustn't be carburising you mustn't be carburising they mustn't be carburising
Perfect	V-ing perfect
I mustn't have carburised you mustn't have carburised he mustn't have carburised we mustn't have carburised you mustn't have carburised they mustn't have carburised	I mustn't have been carburising you mustn't have been carburising he mustn't have been carburising we mustn't have been carburising you mustn't have been carburising they mustn't 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
mustn't I carburise? mustn't you carburise? mustn't he carburise? mustn't we carburise? mustn't you carburise? mustn't they carburise?	mustn't I be carburising? mustn't you be carburising? mustn't he be carburising? mustn't we be carburising? mustn't you be carburising? mustn't they be carburising?
Perfect	V-ing perfect
mustn't I have carburised? mustn't you have carburised? mustn't he have carburised? mustn't we have carburised? mustn't you have carburised? mustn't they have carburised?	mustn't I have been carburising? mustn't you have been carburising? mustn't he have been carburising? mustn't we have been carburising? mustn't you have been carburising? mustn't they have been carburising?