could yoo-hoo
Verbe régulier : yoo-hoo - yoo-hooed- yoo-hooed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could yoo-hoo
you could yoo-hoo
he could yoo-hoo
we could yoo-hoo
you could yoo-hoo
they could yoo-hoo 	I could be yoo-hooing
you could be yoo-hooing
he could be yoo-hooing
we could be yoo-hooing
you could be yoo-hooing
they could be yoo-hooing	I could have yoo-hooed
you could have yoo-hooed
he could have yoo-hooed
we could have yoo-hooed
you could have yoo-hooed
they could have yoo-hooed	I could have been yoo-hooing
you could have been yoo-hooing
he could have been yoo-hooing
we could have been yoo-hooing
you could have been yoo-hooing
they could have been yoo-hooing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not yoo-hoo
you could not yoo-hoo
he could not yoo-hoo
we could not yoo-hoo
you could not yoo-hoo
they could not yoo-hoo 	I could not be yoo-hooing
you could not be yoo-hooing
he could not be yoo-hooing
we could not be yoo-hooing
you could not be yoo-hooing
they could not be yoo-hooing	I could not have yoo-hooed
you could not have yoo-hooed
he could not have yoo-hooed
we could not have yoo-hooed
you could not have yoo-hooed
they could not have yoo-hooed	I could not have been yoo-hooing
you could not have been yoo-hooing
he could not have been yoo-hooing
we could not have been yoo-hooing
you could not have been yoo-hooing
they could not have been yoo-hooing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I yoo-hoo?
could you yoo-hoo?
could he yoo-hoo?
could we yoo-hoo?
could you yoo-hoo?
could they yoo-hoo? 	could I be yoo-hooing?
could you be yoo-hooing?
could he be yoo-hooing?
could we be yoo-hooing?
could you be yoo-hooing?
could they be yoo-hooing? 	could I have yoo-hooed?
could you have yoo-hooed?
could he have yoo-hooed?
could we have yoo-hooed?
could you have yoo-hooed?
could they have yoo-hooed? 	could I have been yoo-hooing?
could you have been yoo-hooing?
could he have been yoo-hooing?
could we have been yoo-hooing?
could you have been yoo-hooing?
could they have been yoo-hooing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not yoo-hoo?
could you not yoo-hoo?
could he not yoo-hoo?
could we not yoo-hoo?
could you not yoo-hoo?
could they not yoo-hoo? 	could I not be yoo-hooing?
could you not be yoo-hooing?
could he not be yoo-hooing?
could we not be yoo-hooing?
could you not be yoo-hooing?
could they not be yoo-hooing? 	could I not have yoo-hooed?
could you not have yoo-hooed?
could he not have yoo-hooed?
could we not have yoo-hooed?
could you not have yoo-hooed?
could they not have yoo-hooed? 	could I not have been yoo-hooing?
could you not have been yoo-hooing?
could he not have been yoo-hooing?
could we not have been yoo-hooing?
could you not have been yoo-hooing?
could they not have been yoo-hooing?