I must segment you must segment he must segment we must segment you must segment they must segment
V-ing form
I must be segmenting you must be segmenting he must be segmenting we must be segmenting you must be segmenting they must be segmenting
Perfect
I must have segmented you must have segmented he must have segmented we must have segmented you must have segmented they must have segmented
V-ing perfect
I must have been segmenting you must have been segmenting he must have been segmenting we must have been segmenting you must have been segmenting they must have been segmenting
Negation
Simple form
I must not segment you must not segment he must not segment we must not segment you must not segment they must not segment
V-ing form
I must not be segmenting you must not be segmenting he must not be segmenting we must not be segmenting you must not be segmenting they must not be segmenting
Perfect
I must not have segmented you must not have segmented he must not have segmented we must not have segmented you must not have segmented they must not have segmented
V-ing perfect
I must not have been segmenting you must not have been segmenting he must not have been segmenting we must not have been segmenting you must not have been segmenting they must not have been segmenting
Interrogative form
Simple form
must I segment? must you segment? must he segment? must we segment? must you segment? must they segment?
V-ing form
must I be segmenting? must you be segmenting? must he be segmenting? must we be segmenting? must you be segmenting? must they be segmenting?
Perfect
must I have segmented? must you have segmented? must he have segmented? must we have segmented? must you have segmented? must they have segmented?
V-ing perfect
must I have been segmenting? must you have been segmenting? must he have been segmenting? must we have been segmenting? must you have been segmenting? must they have been segmenting?
Interro-negative form
Simple form
must I not segment? must you not segment? must he not segment? must we not segment? must you not segment? must they not segment?
V-ing form
must I not be segmenting? must you not be segmenting? must he not be segmenting? must we not be segmenting? must you not be segmenting? must they not be segmenting?
Perfect
must I not have segmented? must you not have segmented? must he not have segmented? must we not have segmented? must you not have segmented? must they not have segmented?
V-ing perfect
must I not have been segmenting? must you not have been segmenting? must he not have been segmenting? must we not have been segmenting? must you not have been segmenting? must they not have been segmenting?