English verb conjugation
MUST RADIOGRAPH

Regular verb: radiograph - radiographed - radiographed

Affirmation

Simple form	V-ing form
I must radiograph you must radiograph he must radiograph we must radiograph you must radiograph they must radiograph	I must be radiographing you must be radiographing he must be radiographing we must be radiographing you must be radiographing they must be radiographing
Perfect	V-ing perfect
I must have radiographed you must have radiographed he must have radiographed we must have radiographed you must have radiographed they must have radiographed	I must have been radiographing you must have been radiographing he must have been radiographing we must have been radiographing you must have been radiographing they must have been radiographing

Negation

Simple form	V-ing form
I must not radiograph you must not radiograph he must not radiograph we must not radiograph you must not radiograph they must not radiograph	I must not be radiographing you must not be radiographing he must not be radiographing we must not be radiographing you must not be radiographing they must not be radiographing
Perfect	V-ing perfect
I must not have radiographed you must not have radiographed he must not have radiographed we must not have radiographed you must not have radiographed they must not have radiographed	I must not have been radiographing you must not have been radiographing he must not have been radiographing we must not have been radiographing you must not have been radiographing they must not have been radiographing

Interrogative form

Simple form	V-ing form
must I radiograph? must you radiograph? must he radiograph? must we radiograph? must you radiograph? must they radiograph?	must I be radiographing? must you be radiographing? must he be radiographing? must we be radiographing? must you be radiographing? must they be radiographing?
Perfect	V-ing perfect
must I have radiographed? must you have radiographed? must he have radiographed? must we have radiographed? must you have radiographed? must they have radiographed?	must I have been radiographing? must you have been radiographing? must he have been radiographing? must we have been radiographing? must you have been radiographing? must they have been radiographing?

Interro-negative form

Simple form	V-ing form
must I not radiograph? must you not radiograph? must he not radiograph? must we not radiograph? must you not radiograph? must they not radiograph?	must I not be radiographing? must you not be radiographing? must he not be radiographing? must we not be radiographing? must you not be radiographing? must they not be radiographing?
Perfect	V-ing perfect
must I not have radiographed? must you not have radiographed? must he not have radiographed? must we not have radiographed? must you not have radiographed? must they not have radiographed?	must I not have been radiographing? must you not have been radiographing? must he not have been radiographing? must we not have been radiographing? must you not have been radiographing? must they not have been radiographing?