could terrace
Verbe régulier : terrace - terraced- terraced

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could terrace
you could terrace
he could terrace
we could terrace
you could terrace
they could terrace 	I could be terracing
you could be terracing
he could be terracing
we could be terracing
you could be terracing
they could be terracing	I could have terraced
you could have terraced
he could have terraced
we could have terraced
you could have terraced
they could have terraced	I could have been terracing
you could have been terracing
he could have been terracing
we could have been terracing
you could have been terracing
they could have been terracing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't terrace
you couldn't terrace
he couldn't terrace
we couldn't terrace
you couldn't terrace
they couldn't terrace 	I couldn't be terracing
you couldn't be terracing
he couldn't be terracing
we couldn't be terracing
you couldn't be terracing
they couldn't be terracing	I couldn't have terraced
you couldn't have terraced
he couldn't have terraced
we couldn't have terraced
you couldn't have terraced
they couldn't have terraced	I couldn't have been terracing
you couldn't have been terracing
he couldn't have been terracing
we couldn't have been terracing
you couldn't have been terracing
they couldn't have been terracing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I terrace?
could you terrace?
could he terrace?
could we terrace?
could you terrace?
could they terrace? 	could I be terracing?
could you be terracing?
could he be terracing?
could we be terracing?
could you be terracing?
could they be terracing? 	could I have terraced?
could you have terraced?
could he have terraced?
could we have terraced?
could you have terraced?
could they have terraced? 	could I have been terracing?
could you have been terracing?
could he have been terracing?
could we have been terracing?
could you have been terracing?
could they have been terracing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I terrace?
couldn't you terrace?
couldn't he terrace?
couldn't we terrace?
couldn't you terrace?
couldn't they terrace? 	couldn't I be terracing?
couldn't you be terracing?
couldn't he be terracing?
couldn't we be terracing?
couldn't you be terracing?
couldn't they be terracing? 	couldn't I have terraced?
couldn't you have terraced?
couldn't he have terraced?
couldn't we have terraced?
couldn't you have terraced?
couldn't they have terraced? 	couldn't I have been terracing?
couldn't you have been terracing?
couldn't he have been terracing?
couldn't we have been terracing?
couldn't you have been terracing?
couldn't they have been terracing?