English verb conjugation
MUST ROC

Regular verb: roc - roced - roced

Affirmation

Simple form	V-ing form
I must roc you must roc he must roc we must roc you must roc they must roc	I must be rocing you must be rocing he must be rocing we must be rocing you must be rocing they must be rocing
Perfect	V-ing perfect
I must have roced you must have roced he must have roced we must have roced you must have roced they must have roced	I must have been rocing you must have been rocing he must have been rocing we must have been rocing you must have been rocing they must have been rocing

Negation

Simple form	V-ing form
I mustn't roc you mustn't roc he mustn't roc we mustn't roc you mustn't roc they mustn't roc	I mustn't be rocing you mustn't be rocing he mustn't be rocing we mustn't be rocing you mustn't be rocing they mustn't be rocing
Perfect	V-ing perfect
I mustn't have roced you mustn't have roced he mustn't have roced we mustn't have roced you mustn't have roced they mustn't have roced	I mustn't have been rocing you mustn't have been rocing he mustn't have been rocing we mustn't have been rocing you mustn't have been rocing they mustn't have been rocing

Interrogative form

Simple form	V-ing form
must I roc? must you roc? must he roc? must we roc? must you roc? must they roc?	must I be rocing? must you be rocing? must he be rocing? must we be rocing? must you be rocing? must they be rocing?
Perfect	V-ing perfect
must I have roced? must you have roced? must he have roced? must we have roced? must you have roced? must they have roced?	must I have been rocing? must you have been rocing? must he have been rocing? must we have been rocing? must you have been rocing? must they have been rocing?

Interro-negative form

Simple form	V-ing form
mustn't I roc? mustn't you roc? mustn't he roc? mustn't we roc? mustn't you roc? mustn't they roc?	mustn't I be rocing? mustn't you be rocing? mustn't he be rocing? mustn't we be rocing? mustn't you be rocing? mustn't they be rocing?
Perfect	V-ing perfect
mustn't I have roced? mustn't you have roced? mustn't he have roced? mustn't we have roced? mustn't you have roced? mustn't they have roced?	mustn't I have been rocing? mustn't you have been rocing? mustn't he have been rocing? mustn't we have been rocing? mustn't you have been rocing? mustn't they have been rocing?