I must half-mast you must half-mast she must half-mast we must half-mast you must half-mast they must half-mast
Forme en V-ing
I must be half-masting you must be half-masting she must be half-masting we must be half-masting you must be half-masting they must be half-masting
Perfect
I must have half-masted you must have half-masted she must have half-masted we must have half-masted you must have half-masted they must have half-masted
Perfect en V-ing
I must have been half-masting you must have been half-masting she must have been half-masting we must have been half-masting you must have been half-masting they must have been half-masting
Négation
Forme simple
I mustn't half-mast you mustn't half-mast she mustn't half-mast we mustn't half-mast you mustn't half-mast they mustn't half-mast
Forme en V-ing
I mustn't be half-masting you mustn't be half-masting she mustn't be half-masting we mustn't be half-masting you mustn't be half-masting they mustn't be half-masting
Perfect
I mustn't have half-masted you mustn't have half-masted she mustn't have half-masted we mustn't have half-masted you mustn't have half-masted they mustn't have half-masted
Perfect en V-ing
I mustn't have been half-masting you mustn't have been half-masting she mustn't have been half-masting we mustn't have been half-masting you mustn't have been half-masting they mustn't have been half-masting
Forme interrogative
Forme simple
must I half-mast? must you half-mast? must she half-mast? must we half-mast? must you half-mast? must they half-mast?
Forme en V-ing
must I be half-masting? must you be half-masting? must she be half-masting? must we be half-masting? must you be half-masting? must they be half-masting?
Perfect
must I have half-masted? must you have half-masted? must she have half-masted? must we have half-masted? must you have half-masted? must they have half-masted?
Perfect en V-ing
must I have been half-masting? must you have been half-masting? must she have been half-masting? must we have been half-masting? must you have been half-masting? must they have been half-masting?
Forme interro-négative
Forme simple
mustn't I half-mast? mustn't you half-mast? mustn't she half-mast? mustn't we half-mast? mustn't you half-mast? mustn't they half-mast?
Forme en V-ing
mustn't I be half-masting? mustn't you be half-masting? mustn't she be half-masting? mustn't we be half-masting? mustn't you be half-masting? mustn't they be half-masting?
Perfect
mustn't I have half-masted? mustn't you have half-masted? mustn't she have half-masted? mustn't we have half-masted? mustn't you have half-masted? mustn't they have half-masted?
Perfect en V-ing
mustn't I have been half-masting? mustn't you have been half-masting? mustn't she have been half-masting? mustn't we have been half-masting? mustn't you have been half-masting? mustn't they have been half-masting?