English verb conjugation
MUST DEVOCALISE

Regular verb: devocalise - devocalised - devocalised

Affirmation

Simple form	V-ing form
I must devocalise you must devocalise she must devocalise we must devocalise you must devocalise they must devocalise	I must be devocalising you must be devocalising she 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 she 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 she 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 mustn't devocalise you mustn't devocalise she mustn't devocalise we mustn't devocalise you mustn't devocalise they mustn't devocalise	I mustn't be devocalising you mustn't be devocalising she mustn't be devocalising we mustn't be devocalising you mustn't be devocalising they mustn't be devocalising
Perfect	V-ing perfect
I mustn't have devocalised you mustn't have devocalised she mustn't have devocalised we mustn't have devocalised you mustn't have devocalised they mustn't have devocalised	I mustn't have been devocalising you mustn't have been devocalising she mustn't have been devocalising we mustn't have been devocalising you mustn't have been devocalising they mustn't have been devocalising

Interrogative form

Simple form	V-ing form
must I devocalise? must you devocalise? must she devocalise? must we devocalise? must you devocalise? must they devocalise?	must I be devocalising? must you be devocalising? must she 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 she 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 she 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
mustn't I devocalise? mustn't you devocalise? mustn't she devocalise? mustn't we devocalise? mustn't you devocalise? mustn't they devocalise?	mustn't I be devocalising? mustn't you be devocalising? mustn't she be devocalising? mustn't we be devocalising? mustn't you be devocalising? mustn't they be devocalising?
Perfect	V-ing perfect
mustn't I have devocalised? mustn't you have devocalised? mustn't she have devocalised? mustn't we have devocalised? mustn't you have devocalised? mustn't they have devocalised?	mustn't I have been devocalising? mustn't you have been devocalising? mustn't she have been devocalising? mustn't we have been devocalising? mustn't you have been devocalising? mustn't they have been devocalising?