I must plasticise you must plasticise he must plasticise we must plasticise you must plasticise they must plasticise
Forme en V-ing
I must be plasticising you must be plasticising he must be plasticising we must be plasticising you must be plasticising they must be plasticising
Perfect
I must have plasticised you must have plasticised he must have plasticised we must have plasticised you must have plasticised they must have plasticised
Perfect en V-ing
I must have been plasticising you must have been plasticising he must have been plasticising we must have been plasticising you must have been plasticising they must have been plasticising
Négation
Forme simple
I must not plasticise you must not plasticise he must not plasticise we must not plasticise you must not plasticise they must not plasticise
Forme en V-ing
I must not be plasticising you must not be plasticising he must not be plasticising we must not be plasticising you must not be plasticising they must not be plasticising
Perfect
I must not have plasticised you must not have plasticised he must not have plasticised we must not have plasticised you must not have plasticised they must not have plasticised
Perfect en V-ing
I must not have been plasticising you must not have been plasticising he must not have been plasticising we must not have been plasticising you must not have been plasticising they must not have been plasticising
Forme interrogative
Forme simple
must I plasticise? must you plasticise? must he plasticise? must we plasticise? must you plasticise? must they plasticise?
Forme en V-ing
must I be plasticising? must you be plasticising? must he be plasticising? must we be plasticising? must you be plasticising? must they be plasticising?
Perfect
must I have plasticised? must you have plasticised? must he have plasticised? must we have plasticised? must you have plasticised? must they have plasticised?
Perfect en V-ing
must I have been plasticising? must you have been plasticising? must he have been plasticising? must we have been plasticising? must you have been plasticising? must they have been plasticising?
Forme interro-négative
Forme simple
must I not plasticise? must you not plasticise? must he not plasticise? must we not plasticise? must you not plasticise? must they not plasticise?
Forme en V-ing
must I not be plasticising? must you not be plasticising? must he not be plasticising? must we not be plasticising? must you not be plasticising? must they not be plasticising?
Perfect
must I not have plasticised? must you not have plasticised? must he not have plasticised? must we not have plasticised? must you not have plasticised? must they not have plasticised?
Perfect en V-ing
must I not have been plasticising? must you not have been plasticising? must he not have been plasticising? must we not have been plasticising? must you not have been plasticising? must they not have been plasticising?