I must bust you must bust he must bust we must bust you must bust they must bust
Forme en V-ing
I must be busting you must be busting he must be busting we must be busting you must be busting they must be busting
Perfect
I must have busted you must have busted he must have busted we must have busted you must have busted they must have busted
Perfect en V-ing
I must have been busting you must have been busting he must have been busting we must have been busting you must have been busting they must have been busting
Négation
Forme simple
I mustn't bust you mustn't bust he mustn't bust we mustn't bust you mustn't bust they mustn't bust
Forme en V-ing
I mustn't be busting you mustn't be busting he mustn't be busting we mustn't be busting you mustn't be busting they mustn't be busting
Perfect
I mustn't have busted you mustn't have busted he mustn't have busted we mustn't have busted you mustn't have busted they mustn't have busted
Perfect en V-ing
I mustn't have been busting you mustn't have been busting he mustn't have been busting we mustn't have been busting you mustn't have been busting they mustn't have been busting
Forme interrogative
Forme simple
must I bust? must you bust? must he bust? must we bust? must you bust? must they bust?
Forme en V-ing
must I be busting? must you be busting? must he be busting? must we be busting? must you be busting? must they be busting?
Perfect
must I have busted? must you have busted? must he have busted? must we have busted? must you have busted? must they have busted?
Perfect en V-ing
must I have been busting? must you have been busting? must he have been busting? must we have been busting? must you have been busting? must they have been busting?
Forme interro-négative
Forme simple
mustn't I bust? mustn't you bust? mustn't he bust? mustn't we bust? mustn't you bust? mustn't they bust?
Forme en V-ing
mustn't I be busting? mustn't you be busting? mustn't he be busting? mustn't we be busting? mustn't you be busting? mustn't they be busting?
Perfect
mustn't I have busted? mustn't you have busted? mustn't he have busted? mustn't we have busted? mustn't you have busted? mustn't they have busted?
Perfect en V-ing
mustn't I have been busting? mustn't you have been busting? mustn't he have been busting? mustn't we have been busting? mustn't you have been busting? mustn't they have been busting?