I must intercommunicate you must intercommunicate he must intercommunicate we must intercommunicate you must intercommunicate they must intercommunicate
V-ing form
I must be intercommunicating you must be intercommunicating he must be intercommunicating we must be intercommunicating you must be intercommunicating they must be intercommunicating
Perfect
I must have intercommunicated you must have intercommunicated he must have intercommunicated we must have intercommunicated you must have intercommunicated they must have intercommunicated
V-ing perfect
I must have been intercommunicating you must have been intercommunicating he must have been intercommunicating we must have been intercommunicating you must have been intercommunicating they must have been intercommunicating
Negation
Simple form
I must not intercommunicate you must not intercommunicate he must not intercommunicate we must not intercommunicate you must not intercommunicate they must not intercommunicate
V-ing form
I must not be intercommunicating you must not be intercommunicating he must not be intercommunicating we must not be intercommunicating you must not be intercommunicating they must not be intercommunicating
Perfect
I must not have intercommunicated you must not have intercommunicated he must not have intercommunicated we must not have intercommunicated you must not have intercommunicated they must not have intercommunicated
V-ing perfect
I must not have been intercommunicating you must not have been intercommunicating he must not have been intercommunicating we must not have been intercommunicating you must not have been intercommunicating they must not have been intercommunicating
Interrogative form
Simple form
must I intercommunicate? must you intercommunicate? must he intercommunicate? must we intercommunicate? must you intercommunicate? must they intercommunicate?
V-ing form
must I be intercommunicating? must you be intercommunicating? must he be intercommunicating? must we be intercommunicating? must you be intercommunicating? must they be intercommunicating?
Perfect
must I have intercommunicated? must you have intercommunicated? must he have intercommunicated? must we have intercommunicated? must you have intercommunicated? must they have intercommunicated?
V-ing perfect
must I have been intercommunicating? must you have been intercommunicating? must he have been intercommunicating? must we have been intercommunicating? must you have been intercommunicating? must they have been intercommunicating?
Interro-negative form
Simple form
must I not intercommunicate? must you not intercommunicate? must he not intercommunicate? must we not intercommunicate? must you not intercommunicate? must they not intercommunicate?
V-ing form
must I not be intercommunicating? must you not be intercommunicating? must he not be intercommunicating? must we not be intercommunicating? must you not be intercommunicating? must they not be intercommunicating?
Perfect
must I not have intercommunicated? must you not have intercommunicated? must he not have intercommunicated? must we not have intercommunicated? must you not have intercommunicated? must they not have intercommunicated?
V-ing perfect
must I not have been intercommunicating? must you not have been intercommunicating? must he not have been intercommunicating? must we not have been intercommunicating? must you not have been intercommunicating? must they not have been intercommunicating?