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