I must chitchat you must chitchat she must chitchat we must chitchat you must chitchat they must chitchat
Forme en V-ing
I must be chitchating you must be chitchating she must be chitchating we must be chitchating you must be chitchating they must be chitchating
Perfect
I must have chitchated you must have chitchated she must have chitchated we must have chitchated you must have chitchated they must have chitchated
Perfect en V-ing
I must have been chitchating you must have been chitchating she must have been chitchating we must have been chitchating you must have been chitchating they must have been chitchating
Négation
Forme simple
I mustn't chitchat you mustn't chitchat she mustn't chitchat we mustn't chitchat you mustn't chitchat they mustn't chitchat
Forme en V-ing
I mustn't be chitchating you mustn't be chitchating she mustn't be chitchating we mustn't be chitchating you mustn't be chitchating they mustn't be chitchating
Perfect
I mustn't have chitchated you mustn't have chitchated she mustn't have chitchated we mustn't have chitchated you mustn't have chitchated they mustn't have chitchated
Perfect en V-ing
I mustn't have been chitchating you mustn't have been chitchating she mustn't have been chitchating we mustn't have been chitchating you mustn't have been chitchating they mustn't have been chitchating
Forme interrogative
Forme simple
must I chitchat? must you chitchat? must she chitchat? must we chitchat? must you chitchat? must they chitchat?
Forme en V-ing
must I be chitchating? must you be chitchating? must she be chitchating? must we be chitchating? must you be chitchating? must they be chitchating?
Perfect
must I have chitchated? must you have chitchated? must she have chitchated? must we have chitchated? must you have chitchated? must they have chitchated?
Perfect en V-ing
must I have been chitchating? must you have been chitchating? must she have been chitchating? must we have been chitchating? must you have been chitchating? must they have been chitchating?
Forme interro-négative
Forme simple
mustn't I chitchat? mustn't you chitchat? mustn't she chitchat? mustn't we chitchat? mustn't you chitchat? mustn't they chitchat?
Forme en V-ing
mustn't I be chitchating? mustn't you be chitchating? mustn't she be chitchating? mustn't we be chitchating? mustn't you be chitchating? mustn't they be chitchating?
Perfect
mustn't I have chitchated? mustn't you have chitchated? mustn't she have chitchated? mustn't we have chitchated? mustn't you have chitchated? mustn't they have chitchated?
Perfect en V-ing
mustn't I have been chitchating? mustn't you have been chitchating? mustn't she have been chitchating? mustn't we have been chitchating? mustn't you have been chitchating? mustn't they have been chitchating?