I must draft you must draft he must draft we must draft you must draft they must draft
V-ing form
I must be drafting you must be drafting he must be drafting we must be drafting you must be drafting they must be drafting
Perfect
I must have drafted you must have drafted he must have drafted we must have drafted you must have drafted they must have drafted
V-ing perfect
I must have been drafting you must have been drafting he must have been drafting we must have been drafting you must have been drafting they must have been drafting
Negation
Simple form
I mustn't draft you mustn't draft he mustn't draft we mustn't draft you mustn't draft they mustn't draft
V-ing form
I mustn't be drafting you mustn't be drafting he mustn't be drafting we mustn't be drafting you mustn't be drafting they mustn't be drafting
Perfect
I mustn't have drafted you mustn't have drafted he mustn't have drafted we mustn't have drafted you mustn't have drafted they mustn't have drafted
V-ing perfect
I mustn't have been drafting you mustn't have been drafting he mustn't have been drafting we mustn't have been drafting you mustn't have been drafting they mustn't have been drafting
Interrogative form
Simple form
must I draft? must you draft? must he draft? must we draft? must you draft? must they draft?
V-ing form
must I be drafting? must you be drafting? must he be drafting? must we be drafting? must you be drafting? must they be drafting?
Perfect
must I have drafted? must you have drafted? must he have drafted? must we have drafted? must you have drafted? must they have drafted?
V-ing perfect
must I have been drafting? must you have been drafting? must he have been drafting? must we have been drafting? must you have been drafting? must they have been drafting?
Interro-negative form
Simple form
mustn't I draft? mustn't you draft? mustn't he draft? mustn't we draft? mustn't you draft? mustn't they draft?
V-ing form
mustn't I be drafting? mustn't you be drafting? mustn't he be drafting? mustn't we be drafting? mustn't you be drafting? mustn't they be drafting?
Perfect
mustn't I have drafted? mustn't you have drafted? mustn't he have drafted? mustn't we have drafted? mustn't you have drafted? mustn't they have drafted?
V-ing perfect
mustn't I have been drafting? mustn't you have been drafting? mustn't he have been drafting? mustn't we have been drafting? mustn't you have been drafting? mustn't they have been drafting?