I must commune you must commune he must commune we must commune you must commune they must commune
V-ing form
I must be communing you must be communing he must be communing we must be communing you must be communing they must be communing
Perfect
I must have communed you must have communed he must have communed we must have communed you must have communed they must have communed
V-ing perfect
I must have been communing you must have been communing he must have been communing we must have been communing you must have been communing they must have been communing
Negation
Simple form
I must not commune you must not commune he must not commune we must not commune you must not commune they must not commune
V-ing form
I must not be communing you must not be communing he must not be communing we must not be communing you must not be communing they must not be communing
Perfect
I must not have communed you must not have communed he must not have communed we must not have communed you must not have communed they must not have communed
V-ing perfect
I must not have been communing you must not have been communing he must not have been communing we must not have been communing you must not have been communing they must not have been communing
Interrogative form
Simple form
must I commune? must you commune? must he commune? must we commune? must you commune? must they commune?
V-ing form
must I be communing? must you be communing? must he be communing? must we be communing? must you be communing? must they be communing?
Perfect
must I have communed? must you have communed? must he have communed? must we have communed? must you have communed? must they have communed?
V-ing perfect
must I have been communing? must you have been communing? must he have been communing? must we have been communing? must you have been communing? must they have been communing?
Interro-negative form
Simple form
must I not commune? must you not commune? must he not commune? must we not commune? must you not commune? must they not commune?
V-ing form
must I not be communing? must you not be communing? must he not be communing? must we not be communing? must you not be communing? must they not be communing?
Perfect
must I not have communed? must you not have communed? must he not have communed? must we not have communed? must you not have communed? must they not have communed?
V-ing perfect
must I not have been communing? must you not have been communing? must he not have been communing? must we not have been communing? must you not have been communing? must they not have been communing?