Conjugación del verbo inglés
COULD YADA-YADA

Verbo regular: yada-yada - yada-yadaed - yada-yadaed

Afirmación

Forma simple	Forma con V-ing
I could yada-yada you could yada-yada he could yada-yada we could yada-yada you could yada-yada they could yada-yada	I could be yada-yadaing you could be yada-yadaing he could be yada-yadaing we could be yada-yadaing you could be yada-yadaing they could be yada-yadaing
Perfecto	Perfecto con V-ing
I could have yada-yadaed you could have yada-yadaed he could have yada-yadaed we could have yada-yadaed you could have yada-yadaed they could have yada-yadaed	I could have been yada-yadaing you could have been yada-yadaing he could have been yada-yadaing we could have been yada-yadaing you could have been yada-yadaing they could have been yada-yadaing

Negación

Forma simple	Forma con V-ing
I could not yada-yada you could not yada-yada he could not yada-yada we could not yada-yada you could not yada-yada they could not yada-yada	I could not be yada-yadaing you could not be yada-yadaing he could not be yada-yadaing we could not be yada-yadaing you could not be yada-yadaing they could not be yada-yadaing
Perfecto	Perfecto con V-ing
I could not have yada-yadaed you could not have yada-yadaed he could not have yada-yadaed we could not have yada-yadaed you could not have yada-yadaed they could not have yada-yadaed	I could not have been yada-yadaing you could not have been yada-yadaing he could not have been yada-yadaing we could not have been yada-yadaing you could not have been yada-yadaing they could not have been yada-yadaing

Forma interrogativa

Forma simple	Forma con V-ing
could I yada-yada? could you yada-yada? could he yada-yada? could we yada-yada? could you yada-yada? could they yada-yada?	could I be yada-yadaing? could you be yada-yadaing? could he be yada-yadaing? could we be yada-yadaing? could you be yada-yadaing? could they be yada-yadaing?
Perfecto	Perfecto con V-ing
could I have yada-yadaed? could you have yada-yadaed? could he have yada-yadaed? could we have yada-yadaed? could you have yada-yadaed? could they have yada-yadaed?	could I have been yada-yadaing? could you have been yada-yadaing? could he have been yada-yadaing? could we have been yada-yadaing? could you have been yada-yadaing? could they have been yada-yadaing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not yada-yada? could you not yada-yada? could he not yada-yada? could we not yada-yada? could you not yada-yada? could they not yada-yada?	could I not be yada-yadaing? could you not be yada-yadaing? could he not be yada-yadaing? could we not be yada-yadaing? could you not be yada-yadaing? could they not be yada-yadaing?
Perfecto	Perfecto con V-ing
could I not have yada-yadaed? could you not have yada-yadaed? could he not have yada-yadaed? could we not have yada-yadaed? could you not have yada-yadaed? could they not have yada-yadaed?	could I not have been yada-yadaing? could you not have been yada-yadaing? could he not have been yada-yadaing? could we not have been yada-yadaing? could you not have been yada-yadaing? could they not have been yada-yadaing?