I must disapprove you must disapprove she must disapprove we must disapprove you must disapprove they must disapprove
V-ing form
I must be disapproving you must be disapproving she must be disapproving we must be disapproving you must be disapproving they must be disapproving
Perfect
I must have disapproved you must have disapproved she must have disapproved we must have disapproved you must have disapproved they must have disapproved
V-ing perfect
I must have been disapproving you must have been disapproving she must have been disapproving we must have been disapproving you must have been disapproving they must have been disapproving
Negation
Simple form
I must not disapprove you must not disapprove she must not disapprove we must not disapprove you must not disapprove they must not disapprove
V-ing form
I must not be disapproving you must not be disapproving she must not be disapproving we must not be disapproving you must not be disapproving they must not be disapproving
Perfect
I must not have disapproved you must not have disapproved she must not have disapproved we must not have disapproved you must not have disapproved they must not have disapproved
V-ing perfect
I must not have been disapproving you must not have been disapproving she must not have been disapproving we must not have been disapproving you must not have been disapproving they must not have been disapproving
Interrogative form
Simple form
must I disapprove? must you disapprove? must she disapprove? must we disapprove? must you disapprove? must they disapprove?
V-ing form
must I be disapproving? must you be disapproving? must she be disapproving? must we be disapproving? must you be disapproving? must they be disapproving?
Perfect
must I have disapproved? must you have disapproved? must she have disapproved? must we have disapproved? must you have disapproved? must they have disapproved?
V-ing perfect
must I have been disapproving? must you have been disapproving? must she have been disapproving? must we have been disapproving? must you have been disapproving? must they have been disapproving?
Interro-negative form
Simple form
must I not disapprove? must you not disapprove? must she not disapprove? must we not disapprove? must you not disapprove? must they not disapprove?
V-ing form
must I not be disapproving? must you not be disapproving? must she not be disapproving? must we not be disapproving? must you not be disapproving? must they not be disapproving?
Perfect
must I not have disapproved? must you not have disapproved? must she not have disapproved? must we not have disapproved? must you not have disapproved? must they not have disapproved?
V-ing perfect
must I not have been disapproving? must you not have been disapproving? must she not have been disapproving? must we not have been disapproving? must you not have been disapproving? must they not have been disapproving?