I must expectorate you must expectorate she must expectorate we must expectorate you must expectorate they must expectorate
V-ing form
I must be expectorating you must be expectorating she must be expectorating we must be expectorating you must be expectorating they must be expectorating
Perfect
I must have expectorated you must have expectorated she must have expectorated we must have expectorated you must have expectorated they must have expectorated
V-ing perfect
I must have been expectorating you must have been expectorating she must have been expectorating we must have been expectorating you must have been expectorating they must have been expectorating
Negation
Simple form
I must not expectorate you must not expectorate she must not expectorate we must not expectorate you must not expectorate they must not expectorate
V-ing form
I must not be expectorating you must not be expectorating she must not be expectorating we must not be expectorating you must not be expectorating they must not be expectorating
Perfect
I must not have expectorated you must not have expectorated she must not have expectorated we must not have expectorated you must not have expectorated they must not have expectorated
V-ing perfect
I must not have been expectorating you must not have been expectorating she must not have been expectorating we must not have been expectorating you must not have been expectorating they must not have been expectorating
Interrogative form
Simple form
must I expectorate? must you expectorate? must she expectorate? must we expectorate? must you expectorate? must they expectorate?
V-ing form
must I be expectorating? must you be expectorating? must she be expectorating? must we be expectorating? must you be expectorating? must they be expectorating?
Perfect
must I have expectorated? must you have expectorated? must she have expectorated? must we have expectorated? must you have expectorated? must they have expectorated?
V-ing perfect
must I have been expectorating? must you have been expectorating? must she have been expectorating? must we have been expectorating? must you have been expectorating? must they have been expectorating?
Interro-negative form
Simple form
must I not expectorate? must you not expectorate? must she not expectorate? must we not expectorate? must you not expectorate? must they not expectorate?
V-ing form
must I not be expectorating? must you not be expectorating? must she not be expectorating? must we not be expectorating? must you not be expectorating? must they not be expectorating?
Perfect
must I not have expectorated? must you not have expectorated? must she not have expectorated? must we not have expectorated? must you not have expectorated? must they not have expectorated?
V-ing perfect
must I not have been expectorating? must you not have been expectorating? must she not have been expectorating? must we not have been expectorating? must you not have been expectorating? must they not have been expectorating?