I must cohabitate you must cohabitate he must cohabitate we must cohabitate you must cohabitate they must cohabitate
V-ing form
I must be cohabitating you must be cohabitating he must be cohabitating we must be cohabitating you must be cohabitating they must be cohabitating
Perfect
I must have cohabitated you must have cohabitated he must have cohabitated we must have cohabitated you must have cohabitated they must have cohabitated
V-ing perfect
I must have been cohabitating you must have been cohabitating he must have been cohabitating we must have been cohabitating you must have been cohabitating they must have been cohabitating
Negation
Simple form
I mustn't cohabitate you mustn't cohabitate he mustn't cohabitate we mustn't cohabitate you mustn't cohabitate they mustn't cohabitate
V-ing form
I mustn't be cohabitating you mustn't be cohabitating he mustn't be cohabitating we mustn't be cohabitating you mustn't be cohabitating they mustn't be cohabitating
Perfect
I mustn't have cohabitated you mustn't have cohabitated he mustn't have cohabitated we mustn't have cohabitated you mustn't have cohabitated they mustn't have cohabitated
V-ing perfect
I mustn't have been cohabitating you mustn't have been cohabitating he mustn't have been cohabitating we mustn't have been cohabitating you mustn't have been cohabitating they mustn't have been cohabitating
Interrogative form
Simple form
must I cohabitate? must you cohabitate? must he cohabitate? must we cohabitate? must you cohabitate? must they cohabitate?
V-ing form
must I be cohabitating? must you be cohabitating? must he be cohabitating? must we be cohabitating? must you be cohabitating? must they be cohabitating?
Perfect
must I have cohabitated? must you have cohabitated? must he have cohabitated? must we have cohabitated? must you have cohabitated? must they have cohabitated?
V-ing perfect
must I have been cohabitating? must you have been cohabitating? must he have been cohabitating? must we have been cohabitating? must you have been cohabitating? must they have been cohabitating?
Interro-negative form
Simple form
mustn't I cohabitate? mustn't you cohabitate? mustn't he cohabitate? mustn't we cohabitate? mustn't you cohabitate? mustn't they cohabitate?
V-ing form
mustn't I be cohabitating? mustn't you be cohabitating? mustn't he be cohabitating? mustn't we be cohabitating? mustn't you be cohabitating? mustn't they be cohabitating?
Perfect
mustn't I have cohabitated? mustn't you have cohabitated? mustn't he have cohabitated? mustn't we have cohabitated? mustn't you have cohabitated? mustn't they have cohabitated?
V-ing perfect
mustn't I have been cohabitating? mustn't you have been cohabitating? mustn't he have been cohabitating? mustn't we have been cohabitating? mustn't you have been cohabitating? mustn't they have been cohabitating?