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