could place
Verbo regular: place - placed- placed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could place
you could place
he could place
we could place
you could place
they could place 	I could be placing
you could be placing
he could be placing
we could be placing
you could be placing
they could be placing	I could have placed
you could have placed
he 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
he could have been placing
we could have been placing
you could have been placing
they could have been placing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't place
you couldn't place
he couldn't place
we couldn't place
you couldn't place
they couldn't place 	I couldn't be placing
you couldn't be placing
he couldn't be placing
we couldn't be placing
you couldn't be placing
they couldn't be placing	I couldn't have placed
you couldn't have placed
he couldn't have placed
we couldn't have placed
you couldn't have placed
they couldn't have placed	I couldn't have been placing
you couldn't have been placing
he couldn't have been placing
we couldn't have been placing
you couldn't have been placing
they couldn't have been placing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I place?
could you place?
could he place?
could we place?
could you place?
could they place? 	could I be placing?
could you be placing?
could he be placing?
could we be placing?
could you be placing?
could they be placing? 	could I have placed?
could you have placed?
could he 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 he have been placing?
could we have been placing?
could you have been placing?
could they have been placing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I place?
couldn't you place?
couldn't he place?
couldn't we place?
couldn't you place?
couldn't they place? 	couldn't I be placing?
couldn't you be placing?
couldn't he be placing?
couldn't we be placing?
couldn't you be placing?
couldn't they be placing? 	couldn't I have placed?
couldn't you have placed?
couldn't he have placed?
couldn't we have placed?
couldn't you have placed?
couldn't they have placed? 	couldn't I have been placing?
couldn't you have been placing?
couldn't he have been placing?
couldn't we have been placing?
couldn't you have been placing?
couldn't they have been placing?