could boo-hoo
Verbe régulier : boo-hoo - boo-hooed- boo-hooed

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't boo-hoo
you couldn't boo-hoo
he couldn't boo-hoo
we couldn't boo-hoo
you couldn't boo-hoo
they couldn't boo-hoo 	I couldn't be boo-hooing
you couldn't be boo-hooing
he couldn't be boo-hooing
we couldn't be boo-hooing
you couldn't be boo-hooing
they couldn't be boo-hooing	I couldn't have boo-hooed
you couldn't have boo-hooed
he couldn't have boo-hooed
we couldn't have boo-hooed
you couldn't have boo-hooed
they couldn't have boo-hooed	I couldn't have been boo-hooing
you couldn't have been boo-hooing
he couldn't have been boo-hooing
we couldn't have been boo-hooing
you couldn't have been boo-hooing
they couldn't have been boo-hooing	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I boo-hoo?
couldn't you boo-hoo?
couldn't he boo-hoo?
couldn't we boo-hoo?
couldn't you boo-hoo?
couldn't they boo-hoo? 	couldn't I be boo-hooing?
couldn't you be boo-hooing?
couldn't he be boo-hooing?
couldn't we be boo-hooing?
couldn't you be boo-hooing?
couldn't they be boo-hooing? 	couldn't I have boo-hooed?
couldn't you have boo-hooed?
couldn't he have boo-hooed?
couldn't we have boo-hooed?
couldn't you have boo-hooed?
couldn't they have boo-hooed? 	couldn't I have been boo-hooing?
couldn't you have been boo-hooing?
couldn't he have been boo-hooing?
couldn't we have been boo-hooing?
couldn't you have been boo-hooing?
couldn't they have been boo-hooing?