I must discombobulate you must discombobulate he must discombobulate we must discombobulate you must discombobulate they must discombobulate
V-ing form
I must be discombobulating you must be discombobulating he must be discombobulating we must be discombobulating you must be discombobulating they must be discombobulating
Perfect
I must have discombobulated you must have discombobulated he must have discombobulated we must have discombobulated you must have discombobulated they must have discombobulated
V-ing perfect
I must have been discombobulating you must have been discombobulating he must have been discombobulating we must have been discombobulating you must have been discombobulating they must have been discombobulating
Negation
Simple form
I must not discombobulate you must not discombobulate he must not discombobulate we must not discombobulate you must not discombobulate they must not discombobulate
V-ing form
I must not be discombobulating you must not be discombobulating he must not be discombobulating we must not be discombobulating you must not be discombobulating they must not be discombobulating
Perfect
I must not have discombobulated you must not have discombobulated he must not have discombobulated we must not have discombobulated you must not have discombobulated they must not have discombobulated
V-ing perfect
I must not have been discombobulating you must not have been discombobulating he must not have been discombobulating we must not have been discombobulating you must not have been discombobulating they must not have been discombobulating
Interrogative form
Simple form
must I discombobulate? must you discombobulate? must he discombobulate? must we discombobulate? must you discombobulate? must they discombobulate?
V-ing form
must I be discombobulating? must you be discombobulating? must he be discombobulating? must we be discombobulating? must you be discombobulating? must they be discombobulating?
Perfect
must I have discombobulated? must you have discombobulated? must he have discombobulated? must we have discombobulated? must you have discombobulated? must they have discombobulated?
V-ing perfect
must I have been discombobulating? must you have been discombobulating? must he have been discombobulating? must we have been discombobulating? must you have been discombobulating? must they have been discombobulating?
Interro-negative form
Simple form
must I not discombobulate? must you not discombobulate? must he not discombobulate? must we not discombobulate? must you not discombobulate? must they not discombobulate?
V-ing form
must I not be discombobulating? must you not be discombobulating? must he not be discombobulating? must we not be discombobulating? must you not be discombobulating? must they not be discombobulating?
Perfect
must I not have discombobulated? must you not have discombobulated? must he not have discombobulated? must we not have discombobulated? must you not have discombobulated? must they not have discombobulated?
V-ing perfect
must I not have been discombobulating? must you not have been discombobulating? must he not have been discombobulating? must we not have been discombobulating? must you not have been discombobulating? must they not have been discombobulating?