could cohabit
Regular verb: cohabit - cohabited- cohabited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cohabit
you could cohabit
he could cohabit
we could cohabit
you could cohabit
they could cohabit 	I could be cohabiting
you could be cohabiting
he could be cohabiting
we could be cohabiting
you could be cohabiting
they could be cohabiting	I could have cohabited
you could have cohabited
he could have cohabited
we could have cohabited
you could have cohabited
they could have cohabited	I could have been cohabiting
you could have been cohabiting
he could have been cohabiting
we could have been cohabiting
you could have been cohabiting
they could have been cohabiting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cohabit
you couldn't cohabit
he couldn't cohabit
we couldn't cohabit
you couldn't cohabit
they couldn't cohabit 	I couldn't be cohabiting
you couldn't be cohabiting
he couldn't be cohabiting
we couldn't be cohabiting
you couldn't be cohabiting
they couldn't be cohabiting	I couldn't have cohabited
you couldn't have cohabited
he couldn't have cohabited
we couldn't have cohabited
you couldn't have cohabited
they couldn't have cohabited	I couldn't have been cohabiting
you couldn't have been cohabiting
he couldn't have been cohabiting
we couldn't have been cohabiting
you couldn't have been cohabiting
they couldn't have been cohabiting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cohabit?
could you cohabit?
could he cohabit?
could we cohabit?
could you cohabit?
could they cohabit? 	could I be cohabiting?
could you be cohabiting?
could he be cohabiting?
could we be cohabiting?
could you be cohabiting?
could they be cohabiting? 	could I have cohabited?
could you have cohabited?
could he have cohabited?
could we have cohabited?
could you have cohabited?
could they have cohabited? 	could I have been cohabiting?
could you have been cohabiting?
could he have been cohabiting?
could we have been cohabiting?
could you have been cohabiting?
could they have been cohabiting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cohabit?
couldn't you cohabit?
couldn't he cohabit?
couldn't we cohabit?
couldn't you cohabit?
couldn't they cohabit? 	couldn't I be cohabiting?
couldn't you be cohabiting?
couldn't he be cohabiting?
couldn't we be cohabiting?
couldn't you be cohabiting?
couldn't they be cohabiting? 	couldn't I have cohabited?
couldn't you have cohabited?
couldn't he have cohabited?
couldn't we have cohabited?
couldn't you have cohabited?
couldn't they have cohabited? 	couldn't I have been cohabiting?
couldn't you have been cohabiting?
couldn't he have been cohabiting?
couldn't we have been cohabiting?
couldn't you have been cohabiting?
couldn't they have been cohabiting?