English verb conjugation
MUST PRESTERILISE

Regular verb: presterilise - presterilised - presterilised

Affirmation

Simple form	V-ing form
I must presterilise you must presterilise she must presterilise we must presterilise you must presterilise they must presterilise	I must be presterilising you must be presterilising she must be presterilising we must be presterilising you must be presterilising they must be presterilising
Perfect	V-ing perfect
I must have presterilised you must have presterilised she must have presterilised we must have presterilised you must have presterilised they must have presterilised	I must have been presterilising you must have been presterilising she must have been presterilising we must have been presterilising you must have been presterilising they must have been presterilising

Negation

Simple form	V-ing form
I mustn't presterilise you mustn't presterilise she mustn't presterilise we mustn't presterilise you mustn't presterilise they mustn't presterilise	I mustn't be presterilising you mustn't be presterilising she mustn't be presterilising we mustn't be presterilising you mustn't be presterilising they mustn't be presterilising
Perfect	V-ing perfect
I mustn't have presterilised you mustn't have presterilised she mustn't have presterilised we mustn't have presterilised you mustn't have presterilised they mustn't have presterilised	I mustn't have been presterilising you mustn't have been presterilising she mustn't have been presterilising we mustn't have been presterilising you mustn't have been presterilising they mustn't have been presterilising

Interrogative form

Simple form	V-ing form
must I presterilise? must you presterilise? must she presterilise? must we presterilise? must you presterilise? must they presterilise?	must I be presterilising? must you be presterilising? must she be presterilising? must we be presterilising? must you be presterilising? must they be presterilising?
Perfect	V-ing perfect
must I have presterilised? must you have presterilised? must she have presterilised? must we have presterilised? must you have presterilised? must they have presterilised?	must I have been presterilising? must you have been presterilising? must she have been presterilising? must we have been presterilising? must you have been presterilising? must they have been presterilising?

Interro-negative form

Simple form	V-ing form
mustn't I presterilise? mustn't you presterilise? mustn't she presterilise? mustn't we presterilise? mustn't you presterilise? mustn't they presterilise?	mustn't I be presterilising? mustn't you be presterilising? mustn't she be presterilising? mustn't we be presterilising? mustn't you be presterilising? mustn't they be presterilising?
Perfect	V-ing perfect
mustn't I have presterilised? mustn't you have presterilised? mustn't she have presterilised? mustn't we have presterilised? mustn't you have presterilised? mustn't they have presterilised?	mustn't I have been presterilising? mustn't you have been presterilising? mustn't she have been presterilising? mustn't we have been presterilising? mustn't you have been presterilising? mustn't they have been presterilising?