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