could grin
Verbe régulier : grin - grinned- grinned
Traduction française : sourire 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could grin
you could grin
he could grin
we could grin
you could grin
they could grin 	I could be grinning
you could be grinning
he could be grinning
we could be grinning
you could be grinning
they could be grinning	I could have grinned
you could have grinned
he could have grinned
we could have grinned
you could have grinned
they could have grinned	I could have been grinning
you could have been grinning
he could have been grinning
we could have been grinning
you could have been grinning
they could have been grinning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't grin
you couldn't grin
he couldn't grin
we couldn't grin
you couldn't grin
they couldn't grin 	I couldn't be grinning
you couldn't be grinning
he couldn't be grinning
we couldn't be grinning
you couldn't be grinning
they couldn't be grinning	I couldn't have grinned
you couldn't have grinned
he couldn't have grinned
we couldn't have grinned
you couldn't have grinned
they couldn't have grinned	I couldn't have been grinning
you couldn't have been grinning
he couldn't have been grinning
we couldn't have been grinning
you couldn't have been grinning
they couldn't have been grinning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I grin?
could you grin?
could he grin?
could we grin?
could you grin?
could they grin? 	could I be grinning?
could you be grinning?
could he be grinning?
could we be grinning?
could you be grinning?
could they be grinning? 	could I have grinned?
could you have grinned?
could he have grinned?
could we have grinned?
could you have grinned?
could they have grinned? 	could I have been grinning?
could you have been grinning?
could he have been grinning?
could we have been grinning?
could you have been grinning?
could they have been grinning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I grin?
couldn't you grin?
couldn't he grin?
couldn't we grin?
couldn't you grin?
couldn't they grin? 	couldn't I be grinning?
couldn't you be grinning?
couldn't he be grinning?
couldn't we be grinning?
couldn't you be grinning?
couldn't they be grinning? 	couldn't I have grinned?
couldn't you have grinned?
couldn't he have grinned?
couldn't we have grinned?
couldn't you have grinned?
couldn't they have grinned? 	couldn't I have been grinning?
couldn't you have been grinning?
couldn't he have been grinning?
couldn't we have been grinning?
couldn't you have been grinning?
couldn't they have been grinning?