could yowl
Verbe régulier : yowl - yowled- yowled
Traduction française : miauler (fort) - hurler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could yowl
you could yowl
she could yowl
we could yowl
you could yowl
they could yowl 	I could be yowling
you could be yowling
she could be yowling
we could be yowling
you could be yowling
they could be yowling	I could have yowled
you could have yowled
she could have yowled
we could have yowled
you could have yowled
they could have yowled	I could have been yowling
you could have been yowling
she could have been yowling
we could have been yowling
you could have been yowling
they could have been yowling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't yowl
you couldn't yowl
she couldn't yowl
we couldn't yowl
you couldn't yowl
they couldn't yowl 	I couldn't be yowling
you couldn't be yowling
she couldn't be yowling
we couldn't be yowling
you couldn't be yowling
they couldn't be yowling	I couldn't have yowled
you couldn't have yowled
she couldn't have yowled
we couldn't have yowled
you couldn't have yowled
they couldn't have yowled	I couldn't have been yowling
you couldn't have been yowling
she couldn't have been yowling
we couldn't have been yowling
you couldn't have been yowling
they couldn't have been yowling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I yowl?
could you yowl?
could she yowl?
could we yowl?
could you yowl?
could they yowl? 	could I be yowling?
could you be yowling?
could she be yowling?
could we be yowling?
could you be yowling?
could they be yowling? 	could I have yowled?
could you have yowled?
could she have yowled?
could we have yowled?
could you have yowled?
could they have yowled? 	could I have been yowling?
could you have been yowling?
could she have been yowling?
could we have been yowling?
could you have been yowling?
could they have been yowling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I yowl?
couldn't you yowl?
couldn't she yowl?
couldn't we yowl?
couldn't you yowl?
couldn't they yowl? 	couldn't I be yowling?
couldn't you be yowling?
couldn't she be yowling?
couldn't we be yowling?
couldn't you be yowling?
couldn't they be yowling? 	couldn't I have yowled?
couldn't you have yowled?
couldn't she have yowled?
couldn't we have yowled?
couldn't you have yowled?
couldn't they have yowled? 	couldn't I have been yowling?
couldn't you have been yowling?
couldn't she have been yowling?
couldn't we have been yowling?
couldn't you have been yowling?
couldn't they have been yowling?