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