Conjugaison du verbe anglais
MUST SISE

Verbe régulier : sise - sised - sised

Affirmation

Forme simple	Forme en V-ing
I must sise you must sise she must sise we must sise you must sise they must sise	I must be sising you must be sising she must be sising we must be sising you must be sising they must be sising
Perfect	Perfect en V-ing
I must have sised you must have sised she must have sised we must have sised you must have sised they must have sised	I must have been sising you must have been sising she must have been sising we must have been sising you must have been sising they must have been sising

Négation

Forme simple	Forme en V-ing
I must not sise you must not sise she must not sise we must not sise you must not sise they must not sise	I must not be sising you must not be sising she must not be sising we must not be sising you must not be sising they must not be sising
Perfect	Perfect en V-ing
I must not have sised you must not have sised she must not have sised we must not have sised you must not have sised they must not have sised	I must not have been sising you must not have been sising she must not have been sising we must not have been sising you must not have been sising they must not have been sising

Forme interrogative

Forme simple	Forme en V-ing
must I sise? must you sise? must she sise? must we sise? must you sise? must they sise?	must I be sising? must you be sising? must she be sising? must we be sising? must you be sising? must they be sising?
Perfect	Perfect en V-ing
must I have sised? must you have sised? must she have sised? must we have sised? must you have sised? must they have sised?	must I have been sising? must you have been sising? must she have been sising? must we have been sising? must you have been sising? must they have been sising?

Forme interro-négative

Forme simple	Forme en V-ing
must I not sise? must you not sise? must she not sise? must we not sise? must you not sise? must they not sise?	must I not be sising? must you not be sising? must she not be sising? must we not be sising? must you not be sising? must they not be sising?
Perfect	Perfect en V-ing
must I not have sised? must you not have sised? must she not have sised? must we not have sised? must you not have sised? must they not have sised?	must I not have been sising? must you not have been sising? must she not have been sising? must we not have been sising? must you not have been sising? must they not have been sising?