could contain
Verbo regular: contain - contained- contained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could contain
you could contain
he could contain
we could contain
you could contain
they could contain 	I could be containing
you could be containing
he could be containing
we could be containing
you could be containing
they could be containing	I could have contained
you could have contained
he could have contained
we could have contained
you could have contained
they could have contained	I could have been containing
you could have been containing
he could have been containing
we could have been containing
you could have been containing
they could have been containing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not contain
you could not contain
he could not contain
we could not contain
you could not contain
they could not contain 	I could not be containing
you could not be containing
he could not be containing
we could not be containing
you could not be containing
they could not be containing	I could not have contained
you could not have contained
he could not have contained
we could not have contained
you could not have contained
they could not have contained	I could not have been containing
you could not have been containing
he could not have been containing
we could not have been containing
you could not have been containing
they could not have been containing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I contain?
could you contain?
could he contain?
could we contain?
could you contain?
could they contain? 	could I be containing?
could you be containing?
could he be containing?
could we be containing?
could you be containing?
could they be containing? 	could I have contained?
could you have contained?
could he have contained?
could we have contained?
could you have contained?
could they have contained? 	could I have been containing?
could you have been containing?
could he have been containing?
could we have been containing?
could you have been containing?
could they have been containing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not contain?
could you not contain?
could he not contain?
could we not contain?
could you not contain?
could they not contain? 	could I not be containing?
could you not be containing?
could he not be containing?
could we not be containing?
could you not be containing?
could they not be containing? 	could I not have contained?
could you not have contained?
could he not have contained?
could we not have contained?
could you not have contained?
could they not have contained? 	could I not have been containing?
could you not have been containing?
could he not have been containing?
could we not have been containing?
could you not have been containing?
could they not have been containing?