English verb conjugation
MUST EFFECT

Regular verb: effect - effected - effected

Affirmation

Simple form	V-ing form
I must effect you must effect he must effect we must effect you must effect they must effect	I must be effecting you must be effecting he must be effecting we must be effecting you must be effecting they must be effecting
Perfect	V-ing perfect
I must have effected you must have effected he must have effected we must have effected you must have effected they must have effected	I must have been effecting you must have been effecting he must have been effecting we must have been effecting you must have been effecting they must have been effecting

Negation

Simple form	V-ing form
I mustn't effect you mustn't effect he mustn't effect we mustn't effect you mustn't effect they mustn't effect	I mustn't be effecting you mustn't be effecting he mustn't be effecting we mustn't be effecting you mustn't be effecting they mustn't be effecting
Perfect	V-ing perfect
I mustn't have effected you mustn't have effected he mustn't have effected we mustn't have effected you mustn't have effected they mustn't have effected	I mustn't have been effecting you mustn't have been effecting he mustn't have been effecting we mustn't have been effecting you mustn't have been effecting they mustn't have been effecting

Interrogative form

Simple form	V-ing form
must I effect? must you effect? must he effect? must we effect? must you effect? must they effect?	must I be effecting? must you be effecting? must he be effecting? must we be effecting? must you be effecting? must they be effecting?
Perfect	V-ing perfect
must I have effected? must you have effected? must he have effected? must we have effected? must you have effected? must they have effected?	must I have been effecting? must you have been effecting? must he have been effecting? must we have been effecting? must you have been effecting? must they have been effecting?

Interro-negative form

Simple form	V-ing form
mustn't I effect? mustn't you effect? mustn't he effect? mustn't we effect? mustn't you effect? mustn't they effect?	mustn't I be effecting? mustn't you be effecting? mustn't he be effecting? mustn't we be effecting? mustn't you be effecting? mustn't they be effecting?
Perfect	V-ing perfect
mustn't I have effected? mustn't you have effected? mustn't he have effected? mustn't we have effected? mustn't you have effected? mustn't they have effected?	mustn't I have been effecting? mustn't you have been effecting? mustn't he have been effecting? mustn't we have been effecting? mustn't you have been effecting? mustn't they have been effecting?