I must pause you must pause he must pause we must pause you must pause they must pause
V-ing form
I must be pausing you must be pausing he must be pausing we must be pausing you must be pausing they must be pausing
Perfect
I must have paused you must have paused he must have paused we must have paused you must have paused they must have paused
V-ing perfect
I must have been pausing you must have been pausing he must have been pausing we must have been pausing you must have been pausing they must have been pausing
Negation
Simple form
I must not pause you must not pause he must not pause we must not pause you must not pause they must not pause
V-ing form
I must not be pausing you must not be pausing he must not be pausing we must not be pausing you must not be pausing they must not be pausing
Perfect
I must not have paused you must not have paused he must not have paused we must not have paused you must not have paused they must not have paused
V-ing perfect
I must not have been pausing you must not have been pausing he must not have been pausing we must not have been pausing you must not have been pausing they must not have been pausing
Interrogative form
Simple form
must I pause? must you pause? must he pause? must we pause? must you pause? must they pause?
V-ing form
must I be pausing? must you be pausing? must he be pausing? must we be pausing? must you be pausing? must they be pausing?
Perfect
must I have paused? must you have paused? must he have paused? must we have paused? must you have paused? must they have paused?
V-ing perfect
must I have been pausing? must you have been pausing? must he have been pausing? must we have been pausing? must you have been pausing? must they have been pausing?
Interro-negative form
Simple form
must I not pause? must you not pause? must he not pause? must we not pause? must you not pause? must they not pause?
V-ing form
must I not be pausing? must you not be pausing? must he not be pausing? must we not be pausing? must you not be pausing? must they not be pausing?
Perfect
must I not have paused? must you not have paused? must he not have paused? must we not have paused? must you not have paused? must they not have paused?
V-ing perfect
must I not have been pausing? must you not have been pausing? must he not have been pausing? must we not have been pausing? must you not have been pausing? must they not have been pausing?