English verb conjugation
MUST ITERATE

Regular verb: iterate - iterated - iterated

Affirmation

Simple form	V-ing form
I must iterate you must iterate he must iterate we must iterate you must iterate they must iterate	I must be iterating you must be iterating he must be iterating we must be iterating you must be iterating they must be iterating
Perfect	V-ing perfect
I must have iterated you must have iterated he must have iterated we must have iterated you must have iterated they must have iterated	I must have been iterating you must have been iterating he must have been iterating we must have been iterating you must have been iterating they must have been iterating

Negation

Simple form	V-ing form
I mustn't iterate you mustn't iterate he mustn't iterate we mustn't iterate you mustn't iterate they mustn't iterate	I mustn't be iterating you mustn't be iterating he mustn't be iterating we mustn't be iterating you mustn't be iterating they mustn't be iterating
Perfect	V-ing perfect
I mustn't have iterated you mustn't have iterated he mustn't have iterated we mustn't have iterated you mustn't have iterated they mustn't have iterated	I mustn't have been iterating you mustn't have been iterating he mustn't have been iterating we mustn't have been iterating you mustn't have been iterating they mustn't have been iterating

Interrogative form

Simple form	V-ing form
must I iterate? must you iterate? must he iterate? must we iterate? must you iterate? must they iterate?	must I be iterating? must you be iterating? must he be iterating? must we be iterating? must you be iterating? must they be iterating?
Perfect	V-ing perfect
must I have iterated? must you have iterated? must he have iterated? must we have iterated? must you have iterated? must they have iterated?	must I have been iterating? must you have been iterating? must he have been iterating? must we have been iterating? must you have been iterating? must they have been iterating?

Interro-negative form

Simple form	V-ing form
mustn't I iterate? mustn't you iterate? mustn't he iterate? mustn't we iterate? mustn't you iterate? mustn't they iterate?	mustn't I be iterating? mustn't you be iterating? mustn't he be iterating? mustn't we be iterating? mustn't you be iterating? mustn't they be iterating?
Perfect	V-ing perfect
mustn't I have iterated? mustn't you have iterated? mustn't he have iterated? mustn't we have iterated? mustn't you have iterated? mustn't they have iterated?	mustn't I have been iterating? mustn't you have been iterating? mustn't he have been iterating? mustn't we have been iterating? mustn't you have been iterating? mustn't they have been iterating?