English verb conjugation
MUST EXTRACT

Regular verb: extract - extracted - extracted

Affirmation

Simple form	V-ing form
I must extract you must extract she must extract we must extract you must extract they must extract	I must be extracting you must be extracting she 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 she 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 she 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 must not extract you must not extract she must not extract we must not extract you must not extract they must not extract	I must not be extracting you must not be extracting she must not be extracting we must not be extracting you must not be extracting they must not be extracting
Perfect	V-ing perfect
I must not have extracted you must not have extracted she must not have extracted we must not have extracted you must not have extracted they must not have extracted	I must not have been extracting you must not have been extracting she must not have been extracting we must not have been extracting you must not have been extracting they must not have been extracting

Interrogative form

Simple form	V-ing form
must I extract? must you extract? must she extract? must we extract? must you extract? must they extract?	must I be extracting? must you be extracting? must she 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 she 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 she 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
must I not extract? must you not extract? must she not extract? must we not extract? must you not extract? must they not extract?	must I not be extracting? must you not be extracting? must she not be extracting? must we not be extracting? must you not be extracting? must they not be extracting?
Perfect	V-ing perfect
must I not have extracted? must you not have extracted? must she not have extracted? must we not have extracted? must you not have extracted? must they not have extracted?	must I not have been extracting? must you not have been extracting? must she not have been extracting? must we not have been extracting? must you not have been extracting? must they not have been extracting?