could sturdy
Verbe régulier : sturdy - sturdied- sturdied

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could sturdy
you could sturdy
he could sturdy
we could sturdy
you could sturdy
they could sturdy 	I could be sturdying
you could be sturdying
he could be sturdying
we could be sturdying
you could be sturdying
they could be sturdying	I could have sturdied
you could have sturdied
he could have sturdied
we could have sturdied
you could have sturdied
they could have sturdied	I could have been sturdying
you could have been sturdying
he could have been sturdying
we could have been sturdying
you could have been sturdying
they could have been sturdying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't sturdy
you couldn't sturdy
he couldn't sturdy
we couldn't sturdy
you couldn't sturdy
they couldn't sturdy 	I couldn't be sturdying
you couldn't be sturdying
he couldn't be sturdying
we couldn't be sturdying
you couldn't be sturdying
they couldn't be sturdying	I couldn't have sturdied
you couldn't have sturdied
he couldn't have sturdied
we couldn't have sturdied
you couldn't have sturdied
they couldn't have sturdied	I couldn't have been sturdying
you couldn't have been sturdying
he couldn't have been sturdying
we couldn't have been sturdying
you couldn't have been sturdying
they couldn't have been sturdying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I sturdy?
could you sturdy?
could he sturdy?
could we sturdy?
could you sturdy?
could they sturdy? 	could I be sturdying?
could you be sturdying?
could he be sturdying?
could we be sturdying?
could you be sturdying?
could they be sturdying? 	could I have sturdied?
could you have sturdied?
could he have sturdied?
could we have sturdied?
could you have sturdied?
could they have sturdied? 	could I have been sturdying?
could you have been sturdying?
could he have been sturdying?
could we have been sturdying?
could you have been sturdying?
could they have been sturdying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I sturdy?
couldn't you sturdy?
couldn't he sturdy?
couldn't we sturdy?
couldn't you sturdy?
couldn't they sturdy? 	couldn't I be sturdying?
couldn't you be sturdying?
couldn't he be sturdying?
couldn't we be sturdying?
couldn't you be sturdying?
couldn't they be sturdying? 	couldn't I have sturdied?
couldn't you have sturdied?
couldn't he have sturdied?
couldn't we have sturdied?
couldn't you have sturdied?
couldn't they have sturdied? 	couldn't I have been sturdying?
couldn't you have been sturdying?
couldn't he have been sturdying?
couldn't we have been sturdying?
couldn't you have been sturdying?
couldn't they have been sturdying?