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
she 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
she 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
she 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
she 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 couldn't yoo-hoo
you couldn't yoo-hoo
she couldn't yoo-hoo
we couldn't yoo-hoo
you couldn't yoo-hoo
they couldn't yoo-hoo 	I couldn't be yoo-hooing
you couldn't be yoo-hooing
she couldn't be yoo-hooing
we couldn't be yoo-hooing
you couldn't be yoo-hooing
they couldn't be yoo-hooing	I couldn't have yoo-hooed
you couldn't have yoo-hooed
she couldn't have yoo-hooed
we couldn't have yoo-hooed
you couldn't have yoo-hooed
they couldn't have yoo-hooed	I couldn't have been yoo-hooing
you couldn't have been yoo-hooing
she couldn't have been yoo-hooing
we couldn't have been yoo-hooing
you couldn't have been yoo-hooing
they couldn't 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 she 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 she 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 she 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 she 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 	
couldn't I yoo-hoo?
couldn't you yoo-hoo?
couldn't she yoo-hoo?
couldn't we yoo-hoo?
couldn't you yoo-hoo?
couldn't they yoo-hoo? 	couldn't I be yoo-hooing?
couldn't you be yoo-hooing?
couldn't she be yoo-hooing?
couldn't we be yoo-hooing?
couldn't you be yoo-hooing?
couldn't they be yoo-hooing? 	couldn't I have yoo-hooed?
couldn't you have yoo-hooed?
couldn't she have yoo-hooed?
couldn't we have yoo-hooed?
couldn't you have yoo-hooed?
couldn't they have yoo-hooed? 	couldn't I have been yoo-hooing?
couldn't you have been yoo-hooing?
couldn't she have been yoo-hooing?
couldn't we have been yoo-hooing?
couldn't you have been yoo-hooing?
couldn't they have been yoo-hooing?