English verb conjugation
MUST SYNTHESISE

Regular verb: synthesise - synthesised - synthesised

Affirmation

Simple form	V-ing form
I must synthesise you must synthesise she must synthesise we must synthesise you must synthesise they must synthesise	I must be synthesising you must be synthesising she must be synthesising we must be synthesising you must be synthesising they must be synthesising
Perfect	V-ing perfect
I must have synthesised you must have synthesised she must have synthesised we must have synthesised you must have synthesised they must have synthesised	I must have been synthesising you must have been synthesising she must have been synthesising we must have been synthesising you must have been synthesising they must have been synthesising

Negation

Simple form	V-ing form
I mustn't synthesise you mustn't synthesise she mustn't synthesise we mustn't synthesise you mustn't synthesise they mustn't synthesise	I mustn't be synthesising you mustn't be synthesising she mustn't be synthesising we mustn't be synthesising you mustn't be synthesising they mustn't be synthesising
Perfect	V-ing perfect
I mustn't have synthesised you mustn't have synthesised she mustn't have synthesised we mustn't have synthesised you mustn't have synthesised they mustn't have synthesised	I mustn't have been synthesising you mustn't have been synthesising she mustn't have been synthesising we mustn't have been synthesising you mustn't have been synthesising they mustn't have been synthesising

Interrogative form

Simple form	V-ing form
must I synthesise? must you synthesise? must she synthesise? must we synthesise? must you synthesise? must they synthesise?	must I be synthesising? must you be synthesising? must she be synthesising? must we be synthesising? must you be synthesising? must they be synthesising?
Perfect	V-ing perfect
must I have synthesised? must you have synthesised? must she have synthesised? must we have synthesised? must you have synthesised? must they have synthesised?	must I have been synthesising? must you have been synthesising? must she have been synthesising? must we have been synthesising? must you have been synthesising? must they have been synthesising?

Interro-negative form

Simple form	V-ing form
mustn't I synthesise? mustn't you synthesise? mustn't she synthesise? mustn't we synthesise? mustn't you synthesise? mustn't they synthesise?	mustn't I be synthesising? mustn't you be synthesising? mustn't she be synthesising? mustn't we be synthesising? mustn't you be synthesising? mustn't they be synthesising?
Perfect	V-ing perfect
mustn't I have synthesised? mustn't you have synthesised? mustn't she have synthesised? mustn't we have synthesised? mustn't you have synthesised? mustn't they have synthesised?	mustn't I have been synthesising? mustn't you have been synthesising? mustn't she have been synthesising? mustn't we have been synthesising? mustn't you have been synthesising? mustn't they have been synthesising?