English verb conjugation
MUST DIAGRAM

Regular verb: diagram - diagramed - diagramed

Affirmation

Simple form	V-ing form
I must diagram you must diagram he must diagram we must diagram you must diagram they must diagram	I must be diagraming you must be diagraming he must be diagraming we must be diagraming you must be diagraming they must be diagraming
Perfect	V-ing perfect
I must have diagramed you must have diagramed he must have diagramed we must have diagramed you must have diagramed they must have diagramed	I must have been diagraming you must have been diagraming he must have been diagraming we must have been diagraming you must have been diagraming they must have been diagraming

Negation

Simple form	V-ing form
I mustn't diagram you mustn't diagram he mustn't diagram we mustn't diagram you mustn't diagram they mustn't diagram	I mustn't be diagraming you mustn't be diagraming he mustn't be diagraming we mustn't be diagraming you mustn't be diagraming they mustn't be diagraming
Perfect	V-ing perfect
I mustn't have diagramed you mustn't have diagramed he mustn't have diagramed we mustn't have diagramed you mustn't have diagramed they mustn't have diagramed	I mustn't have been diagraming you mustn't have been diagraming he mustn't have been diagraming we mustn't have been diagraming you mustn't have been diagraming they mustn't have been diagraming

Interrogative form

Simple form	V-ing form
must I diagram? must you diagram? must he diagram? must we diagram? must you diagram? must they diagram?	must I be diagraming? must you be diagraming? must he be diagraming? must we be diagraming? must you be diagraming? must they be diagraming?
Perfect	V-ing perfect
must I have diagramed? must you have diagramed? must he have diagramed? must we have diagramed? must you have diagramed? must they have diagramed?	must I have been diagraming? must you have been diagraming? must he have been diagraming? must we have been diagraming? must you have been diagraming? must they have been diagraming?

Interro-negative form

Simple form	V-ing form
mustn't I diagram? mustn't you diagram? mustn't he diagram? mustn't we diagram? mustn't you diagram? mustn't they diagram?	mustn't I be diagraming? mustn't you be diagraming? mustn't he be diagraming? mustn't we be diagraming? mustn't you be diagraming? mustn't they be diagraming?
Perfect	V-ing perfect
mustn't I have diagramed? mustn't you have diagramed? mustn't he have diagramed? mustn't we have diagramed? mustn't you have diagramed? mustn't they have diagramed?	mustn't I have been diagraming? mustn't you have been diagraming? mustn't he have been diagraming? mustn't we have been diagraming? mustn't you have been diagraming? mustn't they have been diagraming?