English verb conjugation
MUST CORRECT

Regular verb: correct - corrected - corrected

Affirmation

Simple form	V-ing form
I must correct you must correct he must correct we must correct you must correct they must correct	I must be correcting you must be correcting he must be correcting we must be correcting you must be correcting they must be correcting
Perfect	V-ing perfect
I must have corrected you must have corrected he must have corrected we must have corrected you must have corrected they must have corrected	I must have been correcting you must have been correcting he must have been correcting we must have been correcting you must have been correcting they must have been correcting

Negation

Simple form	V-ing form
I mustn't correct you mustn't correct he mustn't correct we mustn't correct you mustn't correct they mustn't correct	I mustn't be correcting you mustn't be correcting he mustn't be correcting we mustn't be correcting you mustn't be correcting they mustn't be correcting
Perfect	V-ing perfect
I mustn't have corrected you mustn't have corrected he mustn't have corrected we mustn't have corrected you mustn't have corrected they mustn't have corrected	I mustn't have been correcting you mustn't have been correcting he mustn't have been correcting we mustn't have been correcting you mustn't have been correcting they mustn't have been correcting

Interrogative form

Simple form	V-ing form
must I correct? must you correct? must he correct? must we correct? must you correct? must they correct?	must I be correcting? must you be correcting? must he be correcting? must we be correcting? must you be correcting? must they be correcting?
Perfect	V-ing perfect
must I have corrected? must you have corrected? must he have corrected? must we have corrected? must you have corrected? must they have corrected?	must I have been correcting? must you have been correcting? must he have been correcting? must we have been correcting? must you have been correcting? must they have been correcting?

Interro-negative form

Simple form	V-ing form
mustn't I correct? mustn't you correct? mustn't he correct? mustn't we correct? mustn't you correct? mustn't they correct?	mustn't I be correcting? mustn't you be correcting? mustn't he be correcting? mustn't we be correcting? mustn't you be correcting? mustn't they be correcting?
Perfect	V-ing perfect
mustn't I have corrected? mustn't you have corrected? mustn't he have corrected? mustn't we have corrected? mustn't you have corrected? mustn't they have corrected?	mustn't I have been correcting? mustn't you have been correcting? mustn't he have been correcting? mustn't we have been correcting? mustn't you have been correcting? mustn't they have been correcting?