must cohabitate
Regular verb: cohabitate - cohabitated- cohabitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cohabitate
you must cohabitate
he must cohabitate
we must cohabitate
you must cohabitate
they must cohabitate 	I must be cohabitating
you must be cohabitating
he must be cohabitating
we must be cohabitating
you must be cohabitating
they must be cohabitating	I must have cohabitated
you must have cohabitated
he must have cohabitated
we must have cohabitated
you must have cohabitated
they must have cohabitated	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 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't cohabitate
you mustn't cohabitate
he mustn't cohabitate
we mustn't cohabitate
you mustn't cohabitate
they mustn't cohabitate 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
must I cohabitate?
must you cohabitate?
must he cohabitate?
must we cohabitate?
must you cohabitate?
must they cohabitate? 	must I be cohabitating?
must you be cohabitating?
must he be cohabitating?
must we be cohabitating?
must you be cohabitating?
must they be cohabitating? 	must I have cohabitated?
must you have cohabitated?
must he have cohabitated?
must we have cohabitated?
must you have cohabitated?
must they have cohabitated? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I cohabitate?
mustn't you cohabitate?
mustn't he cohabitate?
mustn't we cohabitate?
mustn't you cohabitate?
mustn't they cohabitate? 	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? 	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? 	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?