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