could interpose
Verbo regular: interpose - interposed- interposed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could interpose
you could interpose
he could interpose
we could interpose
you could interpose
they could interpose 	I could be interposing
you could be interposing
he could be interposing
we could be interposing
you could be interposing
they could be interposing	I could have interposed
you could have interposed
he could have interposed
we could have interposed
you could have interposed
they could have interposed	I could have been interposing
you could have been interposing
he could have been interposing
we could have been interposing
you could have been interposing
they could have been interposing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not interpose
you could not interpose
he could not interpose
we could not interpose
you could not interpose
they could not interpose 	I could not be interposing
you could not be interposing
he could not be interposing
we could not be interposing
you could not be interposing
they could not be interposing	I could not have interposed
you could not have interposed
he could not have interposed
we could not have interposed
you could not have interposed
they could not have interposed	I could not have been interposing
you could not have been interposing
he could not have been interposing
we could not have been interposing
you could not have been interposing
they could not have been interposing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I interpose?
could you interpose?
could he interpose?
could we interpose?
could you interpose?
could they interpose? 	could I be interposing?
could you be interposing?
could he be interposing?
could we be interposing?
could you be interposing?
could they be interposing? 	could I have interposed?
could you have interposed?
could he have interposed?
could we have interposed?
could you have interposed?
could they have interposed? 	could I have been interposing?
could you have been interposing?
could he have been interposing?
could we have been interposing?
could you have been interposing?
could they have been interposing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not interpose?
could you not interpose?
could he not interpose?
could we not interpose?
could you not interpose?
could they not interpose? 	could I not be interposing?
could you not be interposing?
could he not be interposing?
could we not be interposing?
could you not be interposing?
could they not be interposing? 	could I not have interposed?
could you not have interposed?
could he not have interposed?
could we not have interposed?
could you not have interposed?
could they not have interposed? 	could I not have been interposing?
could you not have been interposing?
could he not have been interposing?
could we not have been interposing?
could you not have been interposing?
could they not have been interposing?