English verb conjugation
MUST EXTRACT

Regular verb: extract - extracted - extracted

Affirmation

Simple form	V-ing form
I must extract you must extract he must extract we must extract you must extract they must extract	I must be extracting you must be extracting he must be extracting we must be extracting you must be extracting they must be extracting
Perfect	V-ing perfect
I must have extracted you must have extracted he must have extracted we must have extracted you must have extracted they must have extracted	I must have been extracting you must have been extracting he must have been extracting we must have been extracting you must have been extracting they must have been extracting

Negation

Simple form	V-ing form
I mustn't extract you mustn't extract he mustn't extract we mustn't extract you mustn't extract they mustn't extract	I mustn't be extracting you mustn't be extracting he mustn't be extracting we mustn't be extracting you mustn't be extracting they mustn't be extracting
Perfect	V-ing perfect
I mustn't have extracted you mustn't have extracted he mustn't have extracted we mustn't have extracted you mustn't have extracted they mustn't have extracted	I mustn't have been extracting you mustn't have been extracting he mustn't have been extracting we mustn't have been extracting you mustn't have been extracting they mustn't have been extracting

Interrogative form

Simple form	V-ing form
must I extract? must you extract? must he extract? must we extract? must you extract? must they extract?	must I be extracting? must you be extracting? must he be extracting? must we be extracting? must you be extracting? must they be extracting?
Perfect	V-ing perfect
must I have extracted? must you have extracted? must he have extracted? must we have extracted? must you have extracted? must they have extracted?	must I have been extracting? must you have been extracting? must he have been extracting? must we have been extracting? must you have been extracting? must they have been extracting?

Interro-negative form

Simple form	V-ing form
mustn't I extract? mustn't you extract? mustn't he extract? mustn't we extract? mustn't you extract? mustn't they extract?	mustn't I be extracting? mustn't you be extracting? mustn't he be extracting? mustn't we be extracting? mustn't you be extracting? mustn't they be extracting?
Perfect	V-ing perfect
mustn't I have extracted? mustn't you have extracted? mustn't he have extracted? mustn't we have extracted? mustn't you have extracted? mustn't they have extracted?	mustn't I have been extracting? mustn't you have been extracting? mustn't he have been extracting? mustn't we have been extracting? mustn't you have been extracting? mustn't they have been extracting?