English verb conjugation
MUST OVERSPECIALISE

Regular verb: overspecialise - overspecialised - overspecialised

Affirmation

Simple form	V-ing form
I must overspecialise you must overspecialise she must overspecialise we must overspecialise you must overspecialise they must overspecialise	I must be overspecialising you must be overspecialising she must be overspecialising we must be overspecialising you must be overspecialising they must be overspecialising
Perfect	V-ing perfect
I must have overspecialised you must have overspecialised she must have overspecialised we must have overspecialised you must have overspecialised they must have overspecialised	I must have been overspecialising you must have been overspecialising she must have been overspecialising we must have been overspecialising you must have been overspecialising they must have been overspecialising

Negation

Simple form	V-ing form
I mustn't overspecialise you mustn't overspecialise she mustn't overspecialise we mustn't overspecialise you mustn't overspecialise they mustn't overspecialise	I mustn't be overspecialising you mustn't be overspecialising she mustn't be overspecialising we mustn't be overspecialising you mustn't be overspecialising they mustn't be overspecialising
Perfect	V-ing perfect
I mustn't have overspecialised you mustn't have overspecialised she mustn't have overspecialised we mustn't have overspecialised you mustn't have overspecialised they mustn't have overspecialised	I mustn't have been overspecialising you mustn't have been overspecialising she mustn't have been overspecialising we mustn't have been overspecialising you mustn't have been overspecialising they mustn't have been overspecialising

Interrogative form

Simple form	V-ing form
must I overspecialise? must you overspecialise? must she overspecialise? must we overspecialise? must you overspecialise? must they overspecialise?	must I be overspecialising? must you be overspecialising? must she be overspecialising? must we be overspecialising? must you be overspecialising? must they be overspecialising?
Perfect	V-ing perfect
must I have overspecialised? must you have overspecialised? must she have overspecialised? must we have overspecialised? must you have overspecialised? must they have overspecialised?	must I have been overspecialising? must you have been overspecialising? must she have been overspecialising? must we have been overspecialising? must you have been overspecialising? must they have been overspecialising?

Interro-negative form

Simple form	V-ing form
mustn't I overspecialise? mustn't you overspecialise? mustn't she overspecialise? mustn't we overspecialise? mustn't you overspecialise? mustn't they overspecialise?	mustn't I be overspecialising? mustn't you be overspecialising? mustn't she be overspecialising? mustn't we be overspecialising? mustn't you be overspecialising? mustn't they be overspecialising?
Perfect	V-ing perfect
mustn't I have overspecialised? mustn't you have overspecialised? mustn't she have overspecialised? mustn't we have overspecialised? mustn't you have overspecialised? mustn't they have overspecialised?	mustn't I have been overspecialising? mustn't you have been overspecialising? mustn't she have been overspecialising? mustn't we have been overspecialising? mustn't you have been overspecialising? mustn't they have been overspecialising?