I must externalize you must externalize he must externalize we must externalize you must externalize they must externalize
V-ing form
I must be externalizing you must be externalizing he must be externalizing we must be externalizing you must be externalizing they must be externalizing
Perfect
I must have externalized you must have externalized he must have externalized we must have externalized you must have externalized they must have externalized
V-ing perfect
I must have been externalizing you must have been externalizing he must have been externalizing we must have been externalizing you must have been externalizing they must have been externalizing
Negation
Simple form
I must not externalize you must not externalize he must not externalize we must not externalize you must not externalize they must not externalize
V-ing form
I must not be externalizing you must not be externalizing he must not be externalizing we must not be externalizing you must not be externalizing they must not be externalizing
Perfect
I must not have externalized you must not have externalized he must not have externalized we must not have externalized you must not have externalized they must not have externalized
V-ing perfect
I must not have been externalizing you must not have been externalizing he must not have been externalizing we must not have been externalizing you must not have been externalizing they must not have been externalizing
Interrogative form
Simple form
must I externalize? must you externalize? must he externalize? must we externalize? must you externalize? must they externalize?
V-ing form
must I be externalizing? must you be externalizing? must he be externalizing? must we be externalizing? must you be externalizing? must they be externalizing?
Perfect
must I have externalized? must you have externalized? must he have externalized? must we have externalized? must you have externalized? must they have externalized?
V-ing perfect
must I have been externalizing? must you have been externalizing? must he have been externalizing? must we have been externalizing? must you have been externalizing? must they have been externalizing?
Interro-negative form
Simple form
must I not externalize? must you not externalize? must he not externalize? must we not externalize? must you not externalize? must they not externalize?
V-ing form
must I not be externalizing? must you not be externalizing? must he not be externalizing? must we not be externalizing? must you not be externalizing? must they not be externalizing?
Perfect
must I not have externalized? must you not have externalized? must he not have externalized? must we not have externalized? must you not have externalized? must they not have externalized?
V-ing perfect
must I not have been externalizing? must you not have been externalizing? must he not have been externalizing? must we not have been externalizing? must you not have been externalizing? must they not have been externalizing?