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