I must command you must command she must command we must command you must command they must command
V-ing form
I must be commanding you must be commanding she must be commanding we must be commanding you must be commanding they must be commanding
Perfect
I must have commanded you must have commanded she must have commanded we must have commanded you must have commanded they must have commanded
V-ing perfect
I must have been commanding you must have been commanding she must have been commanding we must have been commanding you must have been commanding they must have been commanding
Negation
Simple form
I must not command you must not command she must not command we must not command you must not command they must not command
V-ing form
I must not be commanding you must not be commanding she must not be commanding we must not be commanding you must not be commanding they must not be commanding
Perfect
I must not have commanded you must not have commanded she must not have commanded we must not have commanded you must not have commanded they must not have commanded
V-ing perfect
I must not have been commanding you must not have been commanding she must not have been commanding we must not have been commanding you must not have been commanding they must not have been commanding
Interrogative form
Simple form
must I command? must you command? must she command? must we command? must you command? must they command?
V-ing form
must I be commanding? must you be commanding? must she be commanding? must we be commanding? must you be commanding? must they be commanding?
Perfect
must I have commanded? must you have commanded? must she have commanded? must we have commanded? must you have commanded? must they have commanded?
V-ing perfect
must I have been commanding? must you have been commanding? must she have been commanding? must we have been commanding? must you have been commanding? must they have been commanding?
Interro-negative form
Simple form
must I not command? must you not command? must she not command? must we not command? must you not command? must they not command?
V-ing form
must I not be commanding? must you not be commanding? must she not be commanding? must we not be commanding? must you not be commanding? must they not be commanding?
Perfect
must I not have commanded? must you not have commanded? must she not have commanded? must we not have commanded? must you not have commanded? must they not have commanded?
V-ing perfect
must I not have been commanding? must you not have been commanding? must she not have been commanding? must we not have been commanding? must you not have been commanding? must they not have been commanding?