English verb conjugation
MUST COMPARE

Regular verb: compare - compared - compared

Affirmation

Simple form	V-ing form
I must compare you must compare she must compare we must compare you must compare they must compare	I must be comparing you must be comparing she must be comparing we must be comparing you must be comparing they must be comparing
Perfect	V-ing perfect
I must have compared you must have compared she must have compared we must have compared you must have compared they must have compared	I must have been comparing you must have been comparing she must have been comparing we must have been comparing you must have been comparing they must have been comparing

Negation

Simple form	V-ing form
I must not compare you must not compare she must not compare we must not compare you must not compare they must not compare	I must not be comparing you must not be comparing she must not be comparing we must not be comparing you must not be comparing they must not be comparing
Perfect	V-ing perfect
I must not have compared you must not have compared she must not have compared we must not have compared you must not have compared they must not have compared	I must not have been comparing you must not have been comparing she must not have been comparing we must not have been comparing you must not have been comparing they must not have been comparing

Interrogative form

Simple form	V-ing form
must I compare? must you compare? must she compare? must we compare? must you compare? must they compare?	must I be comparing? must you be comparing? must she be comparing? must we be comparing? must you be comparing? must they be comparing?
Perfect	V-ing perfect
must I have compared? must you have compared? must she have compared? must we have compared? must you have compared? must they have compared?	must I have been comparing? must you have been comparing? must she have been comparing? must we have been comparing? must you have been comparing? must they have been comparing?

Interro-negative form

Simple form	V-ing form
must I not compare? must you not compare? must she not compare? must we not compare? must you not compare? must they not compare?	must I not be comparing? must you not be comparing? must she not be comparing? must we not be comparing? must you not be comparing? must they not be comparing?
Perfect	V-ing perfect
must I not have compared? must you not have compared? must she not have compared? must we not have compared? must you not have compared? must they not have compared?	must I not have been comparing? must you not have been comparing? must she not have been comparing? must we not have been comparing? must you not have been comparing? must they not have been comparing?