I must capture you must capture he must capture we must capture you must capture they must capture
V-ing form
I must be capturing you must be capturing he must be capturing we must be capturing you must be capturing they must be capturing
Perfect
I must have captured you must have captured he must have captured we must have captured you must have captured they must have captured
V-ing perfect
I must have been capturing you must have been capturing he must have been capturing we must have been capturing you must have been capturing they must have been capturing
Negation
Simple form
I must not capture you must not capture he must not capture we must not capture you must not capture they must not capture
V-ing form
I must not be capturing you must not be capturing he must not be capturing we must not be capturing you must not be capturing they must not be capturing
Perfect
I must not have captured you must not have captured he must not have captured we must not have captured you must not have captured they must not have captured
V-ing perfect
I must not have been capturing you must not have been capturing he must not have been capturing we must not have been capturing you must not have been capturing they must not have been capturing
Interrogative form
Simple form
must I capture? must you capture? must he capture? must we capture? must you capture? must they capture?
V-ing form
must I be capturing? must you be capturing? must he be capturing? must we be capturing? must you be capturing? must they be capturing?
Perfect
must I have captured? must you have captured? must he have captured? must we have captured? must you have captured? must they have captured?
V-ing perfect
must I have been capturing? must you have been capturing? must he have been capturing? must we have been capturing? must you have been capturing? must they have been capturing?
Interro-negative form
Simple form
must I not capture? must you not capture? must he not capture? must we not capture? must you not capture? must they not capture?
V-ing form
must I not be capturing? must you not be capturing? must he not be capturing? must we not be capturing? must you not be capturing? must they not be capturing?
Perfect
must I not have captured? must you not have captured? must he not have captured? must we not have captured? must you not have captured? must they not have captured?
V-ing perfect
must I not have been capturing? must you not have been capturing? must he not have been capturing? must we not have been capturing? must you not have been capturing? must they not have been capturing?