could place
Regular verb: place - placed- placed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could place
you could place
she could place
we could place
you could place
they could place 	I could be placing
you could be placing
she could be placing
we could be placing
you could be placing
they could be placing	I could have placed
you could have placed
she could have placed
we could have placed
you could have placed
they could have placed	I could have been placing
you could have been placing
she could have been placing
we could have been placing
you could have been placing
they could have been placing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not place
you could not place
she could not place
we could not place
you could not place
they could not place 	I could not be placing
you could not be placing
she could not be placing
we could not be placing
you could not be placing
they could not be placing	I could not have placed
you could not have placed
she could not have placed
we could not have placed
you could not have placed
they could not have placed	I could not have been placing
you could not have been placing
she could not have been placing
we could not have been placing
you could not have been placing
they could not have been placing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I place?
could you place?
could she place?
could we place?
could you place?
could they place? 	could I be placing?
could you be placing?
could she be placing?
could we be placing?
could you be placing?
could they be placing? 	could I have placed?
could you have placed?
could she have placed?
could we have placed?
could you have placed?
could they have placed? 	could I have been placing?
could you have been placing?
could she have been placing?
could we have been placing?
could you have been placing?
could they have been placing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not place?
could you not place?
could she not place?
could we not place?
could you not place?
could they not place? 	could I not be placing?
could you not be placing?
could she not be placing?
could we not be placing?
could you not be placing?
could they not be placing? 	could I not have placed?
could you not have placed?
could she not have placed?
could we not have placed?
could you not have placed?
could they not have placed? 	could I not have been placing?
could you not have been placing?
could she not have been placing?
could we not have been placing?
could you not have been placing?
could they not have been placing?