English verb conjugation
MUST REOBSERVE

Regular verb: reobserve - reobserved - reobserved

Affirmation

Simple form	V-ing form
I must reobserve you must reobserve she must reobserve we must reobserve you must reobserve they must reobserve	I must be reobserving you must be reobserving she must be reobserving we must be reobserving you must be reobserving they must be reobserving
Perfect	V-ing perfect
I must have reobserved you must have reobserved she must have reobserved we must have reobserved you must have reobserved they must have reobserved	I must have been reobserving you must have been reobserving she must have been reobserving we must have been reobserving you must have been reobserving they must have been reobserving

Negation

Simple form	V-ing form
I must not reobserve you must not reobserve she must not reobserve we must not reobserve you must not reobserve they must not reobserve	I must not be reobserving you must not be reobserving she must not be reobserving we must not be reobserving you must not be reobserving they must not be reobserving
Perfect	V-ing perfect
I must not have reobserved you must not have reobserved she must not have reobserved we must not have reobserved you must not have reobserved they must not have reobserved	I must not have been reobserving you must not have been reobserving she must not have been reobserving we must not have been reobserving you must not have been reobserving they must not have been reobserving

Interrogative form

Simple form	V-ing form
must I reobserve? must you reobserve? must she reobserve? must we reobserve? must you reobserve? must they reobserve?	must I be reobserving? must you be reobserving? must she be reobserving? must we be reobserving? must you be reobserving? must they be reobserving?
Perfect	V-ing perfect
must I have reobserved? must you have reobserved? must she have reobserved? must we have reobserved? must you have reobserved? must they have reobserved?	must I have been reobserving? must you have been reobserving? must she have been reobserving? must we have been reobserving? must you have been reobserving? must they have been reobserving?

Interro-negative form

Simple form	V-ing form
must I not reobserve? must you not reobserve? must she not reobserve? must we not reobserve? must you not reobserve? must they not reobserve?	must I not be reobserving? must you not be reobserving? must she not be reobserving? must we not be reobserving? must you not be reobserving? must they not be reobserving?
Perfect	V-ing perfect
must I not have reobserved? must you not have reobserved? must she not have reobserved? must we not have reobserved? must you not have reobserved? must they not have reobserved?	must I not have been reobserving? must you not have been reobserving? must she not have been reobserving? must we not have been reobserving? must you not have been reobserving? must they not have been reobserving?