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