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