could yield
Verbe régulier : yield - yielded- yielded
Traduction française : céder - produire 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could yield
you could yield
he could yield
we could yield
you could yield
they could yield 	I could be yielding
you could be yielding
he could be yielding
we could be yielding
you could be yielding
they could be yielding	I could have yielded
you could have yielded
he could have yielded
we could have yielded
you could have yielded
they could have yielded	I could have been yielding
you could have been yielding
he could have been yielding
we could have been yielding
you could have been yielding
they could have been yielding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't yield
you couldn't yield
he couldn't yield
we couldn't yield
you couldn't yield
they couldn't yield 	I couldn't be yielding
you couldn't be yielding
he couldn't be yielding
we couldn't be yielding
you couldn't be yielding
they couldn't be yielding	I couldn't have yielded
you couldn't have yielded
he couldn't have yielded
we couldn't have yielded
you couldn't have yielded
they couldn't have yielded	I couldn't have been yielding
you couldn't have been yielding
he couldn't have been yielding
we couldn't have been yielding
you couldn't have been yielding
they couldn't have been yielding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I yield?
could you yield?
could he yield?
could we yield?
could you yield?
could they yield? 	could I be yielding?
could you be yielding?
could he be yielding?
could we be yielding?
could you be yielding?
could they be yielding? 	could I have yielded?
could you have yielded?
could he have yielded?
could we have yielded?
could you have yielded?
could they have yielded? 	could I have been yielding?
could you have been yielding?
could he have been yielding?
could we have been yielding?
could you have been yielding?
could they have been yielding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I yield?
couldn't you yield?
couldn't he yield?
couldn't we yield?
couldn't you yield?
couldn't they yield? 	couldn't I be yielding?
couldn't you be yielding?
couldn't he be yielding?
couldn't we be yielding?
couldn't you be yielding?
couldn't they be yielding? 	couldn't I have yielded?
couldn't you have yielded?
couldn't he have yielded?
couldn't we have yielded?
couldn't you have yielded?
couldn't they have yielded? 	couldn't I have been yielding?
couldn't you have been yielding?
couldn't he have been yielding?
couldn't we have been yielding?
couldn't you have been yielding?
couldn't they have been yielding?