could interbed
Regular verb: interbed - interbeded- interbeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could interbed
you could interbed
he could interbed
we could interbed
you could interbed
they could interbed 	I could be interbeding
you could be interbeding
he could be interbeding
we could be interbeding
you could be interbeding
they could be interbeding	I could have interbeded
you could have interbeded
he could have interbeded
we could have interbeded
you could have interbeded
they could have interbeded	I could have been interbeding
you could have been interbeding
he could have been interbeding
we could have been interbeding
you could have been interbeding
they could have been interbeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not interbed
you could not interbed
he could not interbed
we could not interbed
you could not interbed
they could not interbed 	I could not be interbeding
you could not be interbeding
he could not be interbeding
we could not be interbeding
you could not be interbeding
they could not be interbeding	I could not have interbeded
you could not have interbeded
he could not have interbeded
we could not have interbeded
you could not have interbeded
they could not have interbeded	I could not have been interbeding
you could not have been interbeding
he could not have been interbeding
we could not have been interbeding
you could not have been interbeding
they could not have been interbeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I interbed?
could you interbed?
could he interbed?
could we interbed?
could you interbed?
could they interbed? 	could I be interbeding?
could you be interbeding?
could he be interbeding?
could we be interbeding?
could you be interbeding?
could they be interbeding? 	could I have interbeded?
could you have interbeded?
could he have interbeded?
could we have interbeded?
could you have interbeded?
could they have interbeded? 	could I have been interbeding?
could you have been interbeding?
could he have been interbeding?
could we have been interbeding?
could you have been interbeding?
could they have been interbeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not interbed?
could you not interbed?
could he not interbed?
could we not interbed?
could you not interbed?
could they not interbed? 	could I not be interbeding?
could you not be interbeding?
could he not be interbeding?
could we not be interbeding?
could you not be interbeding?
could they not be interbeding? 	could I not have interbeded?
could you not have interbeded?
could he not have interbeded?
could we not have interbeded?
could you not have interbeded?
could they not have interbeded? 	could I not have been interbeding?
could you not have been interbeding?
could he not have been interbeding?
could we not have been interbeding?
could you not have been interbeding?
could they not have been interbeding?