could countenance
Verbo regular: countenance - countenanced- countenanced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could countenance
you could countenance
he could countenance
we could countenance
you could countenance
they could countenance 	I could be countenancing
you could be countenancing
he could be countenancing
we could be countenancing
you could be countenancing
they could be countenancing	I could have countenanced
you could have countenanced
he could have countenanced
we could have countenanced
you could have countenanced
they could have countenanced	I could have been countenancing
you could have been countenancing
he could have been countenancing
we could have been countenancing
you could have been countenancing
they could have been countenancing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not countenance
you could not countenance
he could not countenance
we could not countenance
you could not countenance
they could not countenance 	I could not be countenancing
you could not be countenancing
he could not be countenancing
we could not be countenancing
you could not be countenancing
they could not be countenancing	I could not have countenanced
you could not have countenanced
he could not have countenanced
we could not have countenanced
you could not have countenanced
they could not have countenanced	I could not have been countenancing
you could not have been countenancing
he could not have been countenancing
we could not have been countenancing
you could not have been countenancing
they could not have been countenancing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I countenance?
could you countenance?
could he countenance?
could we countenance?
could you countenance?
could they countenance? 	could I be countenancing?
could you be countenancing?
could he be countenancing?
could we be countenancing?
could you be countenancing?
could they be countenancing? 	could I have countenanced?
could you have countenanced?
could he have countenanced?
could we have countenanced?
could you have countenanced?
could they have countenanced? 	could I have been countenancing?
could you have been countenancing?
could he have been countenancing?
could we have been countenancing?
could you have been countenancing?
could they have been countenancing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not countenance?
could you not countenance?
could he not countenance?
could we not countenance?
could you not countenance?
could they not countenance? 	could I not be countenancing?
could you not be countenancing?
could he not be countenancing?
could we not be countenancing?
could you not be countenancing?
could they not be countenancing? 	could I not have countenanced?
could you not have countenanced?
could he not have countenanced?
could we not have countenanced?
could you not have countenanced?
could they not have countenanced? 	could I not have been countenancing?
could you not have been countenancing?
could he not have been countenancing?
could we not have been countenancing?
could you not have been countenancing?
could they not have been countenancing?