English verb conjugation
MUST DUPLICATE

Regular verb: duplicate - duplicated - duplicated

Affirmation

Simple form	V-ing form
I must duplicate you must duplicate she must duplicate we must duplicate you must duplicate they must duplicate	I must be duplicating you must be duplicating she must be duplicating we must be duplicating you must be duplicating they must be duplicating
Perfect	V-ing perfect
I must have duplicated you must have duplicated she must have duplicated we must have duplicated you must have duplicated they must have duplicated	I must have been duplicating you must have been duplicating she must have been duplicating we must have been duplicating you must have been duplicating they must have been duplicating

Negation

Simple form	V-ing form
I must not duplicate you must not duplicate she must not duplicate we must not duplicate you must not duplicate they must not duplicate	I must not be duplicating you must not be duplicating she must not be duplicating we must not be duplicating you must not be duplicating they must not be duplicating
Perfect	V-ing perfect
I must not have duplicated you must not have duplicated she must not have duplicated we must not have duplicated you must not have duplicated they must not have duplicated	I must not have been duplicating you must not have been duplicating she must not have been duplicating we must not have been duplicating you must not have been duplicating they must not have been duplicating

Interrogative form

Simple form	V-ing form
must I duplicate? must you duplicate? must she duplicate? must we duplicate? must you duplicate? must they duplicate?	must I be duplicating? must you be duplicating? must she be duplicating? must we be duplicating? must you be duplicating? must they be duplicating?
Perfect	V-ing perfect
must I have duplicated? must you have duplicated? must she have duplicated? must we have duplicated? must you have duplicated? must they have duplicated?	must I have been duplicating? must you have been duplicating? must she have been duplicating? must we have been duplicating? must you have been duplicating? must they have been duplicating?

Interro-negative form

Simple form	V-ing form
must I not duplicate? must you not duplicate? must she not duplicate? must we not duplicate? must you not duplicate? must they not duplicate?	must I not be duplicating? must you not be duplicating? must she not be duplicating? must we not be duplicating? must you not be duplicating? must they not be duplicating?
Perfect	V-ing perfect
must I not have duplicated? must you not have duplicated? must she not have duplicated? must we not have duplicated? must you not have duplicated? must they not have duplicated?	must I not have been duplicating? must you not have been duplicating? must she not have been duplicating? must we not have been duplicating? must you not have been duplicating? must they not have been duplicating?