could discourse
Verbo regular: discourse - discoursed- discoursed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could discourse
you could discourse
she could discourse
we could discourse
you could discourse
they could discourse 	I could be discoursing
you could be discoursing
she could be discoursing
we could be discoursing
you could be discoursing
they could be discoursing	I could have discoursed
you could have discoursed
she could have discoursed
we could have discoursed
you could have discoursed
they could have discoursed	I could have been discoursing
you could have been discoursing
she could have been discoursing
we could have been discoursing
you could have been discoursing
they could have been discoursing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not discourse
you could not discourse
she could not discourse
we could not discourse
you could not discourse
they could not discourse 	I could not be discoursing
you could not be discoursing
she could not be discoursing
we could not be discoursing
you could not be discoursing
they could not be discoursing	I could not have discoursed
you could not have discoursed
she could not have discoursed
we could not have discoursed
you could not have discoursed
they could not have discoursed	I could not have been discoursing
you could not have been discoursing
she could not have been discoursing
we could not have been discoursing
you could not have been discoursing
they could not have been discoursing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I discourse?
could you discourse?
could she discourse?
could we discourse?
could you discourse?
could they discourse? 	could I be discoursing?
could you be discoursing?
could she be discoursing?
could we be discoursing?
could you be discoursing?
could they be discoursing? 	could I have discoursed?
could you have discoursed?
could she have discoursed?
could we have discoursed?
could you have discoursed?
could they have discoursed? 	could I have been discoursing?
could you have been discoursing?
could she have been discoursing?
could we have been discoursing?
could you have been discoursing?
could they have been discoursing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not discourse?
could you not discourse?
could she not discourse?
could we not discourse?
could you not discourse?
could they not discourse? 	could I not be discoursing?
could you not be discoursing?
could she not be discoursing?
could we not be discoursing?
could you not be discoursing?
could they not be discoursing? 	could I not have discoursed?
could you not have discoursed?
could she not have discoursed?
could we not have discoursed?
could you not have discoursed?
could they not have discoursed? 	could I not have been discoursing?
could you not have been discoursing?
could she not have been discoursing?
could we not have been discoursing?
could you not have been discoursing?
could they not have been discoursing?