English verb conjugation
MUST DEVOCALISE

Regular verb: devocalise - devocalised - devocalised

Affirmation

Simple form	V-ing form
I must devocalise you must devocalise he must devocalise we must devocalise you must devocalise they must devocalise	I must be devocalising you must be devocalising he must be devocalising we must be devocalising you must be devocalising they must be devocalising
Perfect	V-ing perfect
I must have devocalised you must have devocalised he must have devocalised we must have devocalised you must have devocalised they must have devocalised	I must have been devocalising you must have been devocalising he must have been devocalising we must have been devocalising you must have been devocalising they must have been devocalising

Negation

Simple form	V-ing form
I must not devocalise you must not devocalise he must not devocalise we must not devocalise you must not devocalise they must not devocalise	I must not be devocalising you must not be devocalising he must not be devocalising we must not be devocalising you must not be devocalising they must not be devocalising
Perfect	V-ing perfect
I must not have devocalised you must not have devocalised he must not have devocalised we must not have devocalised you must not have devocalised they must not have devocalised	I must not have been devocalising you must not have been devocalising he must not have been devocalising we must not have been devocalising you must not have been devocalising they must not have been devocalising

Interrogative form

Simple form	V-ing form
must I devocalise? must you devocalise? must he devocalise? must we devocalise? must you devocalise? must they devocalise?	must I be devocalising? must you be devocalising? must he be devocalising? must we be devocalising? must you be devocalising? must they be devocalising?
Perfect	V-ing perfect
must I have devocalised? must you have devocalised? must he have devocalised? must we have devocalised? must you have devocalised? must they have devocalised?	must I have been devocalising? must you have been devocalising? must he have been devocalising? must we have been devocalising? must you have been devocalising? must they have been devocalising?

Interro-negative form

Simple form	V-ing form
must I not devocalise? must you not devocalise? must he not devocalise? must we not devocalise? must you not devocalise? must they not devocalise?	must I not be devocalising? must you not be devocalising? must he not be devocalising? must we not be devocalising? must you not be devocalising? must they not be devocalising?
Perfect	V-ing perfect
must I not have devocalised? must you not have devocalised? must he not have devocalised? must we not have devocalised? must you not have devocalised? must they not have devocalised?	must I not have been devocalising? must you not have been devocalising? must he not have been devocalising? must we not have been devocalising? must you not have been devocalising? must they not have been devocalising?