could cohabitate
Regular verb: cohabitate - cohabitated- cohabitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cohabitate
you could cohabitate
he could cohabitate
we could cohabitate
you could cohabitate
they could cohabitate 	I could be cohabitating
you could be cohabitating
he could be cohabitating
we could be cohabitating
you could be cohabitating
they could be cohabitating	I could have cohabitated
you could have cohabitated
he could have cohabitated
we could have cohabitated
you could have cohabitated
they could have cohabitated	I could have been cohabitating
you could have been cohabitating
he could have been cohabitating
we could have been cohabitating
you could have been cohabitating
they could have been cohabitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cohabitate
you couldn't cohabitate
he couldn't cohabitate
we couldn't cohabitate
you couldn't cohabitate
they couldn't cohabitate 	I couldn't be cohabitating
you couldn't be cohabitating
he couldn't be cohabitating
we couldn't be cohabitating
you couldn't be cohabitating
they couldn't be cohabitating	I couldn't have cohabitated
you couldn't have cohabitated
he couldn't have cohabitated
we couldn't have cohabitated
you couldn't have cohabitated
they couldn't have cohabitated	I couldn't have been cohabitating
you couldn't have been cohabitating
he couldn't have been cohabitating
we couldn't have been cohabitating
you couldn't have been cohabitating
they couldn't have been cohabitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cohabitate?
could you cohabitate?
could he cohabitate?
could we cohabitate?
could you cohabitate?
could they cohabitate? 	could I be cohabitating?
could you be cohabitating?
could he be cohabitating?
could we be cohabitating?
could you be cohabitating?
could they be cohabitating? 	could I have cohabitated?
could you have cohabitated?
could he have cohabitated?
could we have cohabitated?
could you have cohabitated?
could they have cohabitated? 	could I have been cohabitating?
could you have been cohabitating?
could he have been cohabitating?
could we have been cohabitating?
could you have been cohabitating?
could they have been cohabitating? 	

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