could smile
Verbo regolare: smile - smiled- smiled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could smile
you could smile
he could smile
we could smile
you could smile
they could smile 	I could be smiling
you could be smiling
he could be smiling
we could be smiling
you could be smiling
they could be smiling	I could have smiled
you could have smiled
he could have smiled
we could have smiled
you could have smiled
they could have smiled	I could have been smiling
you could have been smiling
he could have been smiling
we could have been smiling
you could have been smiling
they could have been smiling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't smile
you couldn't smile
he couldn't smile
we couldn't smile
you couldn't smile
they couldn't smile 	I couldn't be smiling
you couldn't be smiling
he couldn't be smiling
we couldn't be smiling
you couldn't be smiling
they couldn't be smiling	I couldn't have smiled
you couldn't have smiled
he couldn't have smiled
we couldn't have smiled
you couldn't have smiled
they couldn't have smiled	I couldn't have been smiling
you couldn't have been smiling
he couldn't have been smiling
we couldn't have been smiling
you couldn't have been smiling
they couldn't have been smiling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I smile?
could you smile?
could he smile?
could we smile?
could you smile?
could they smile? 	could I be smiling?
could you be smiling?
could he be smiling?
could we be smiling?
could you be smiling?
could they be smiling? 	could I have smiled?
could you have smiled?
could he have smiled?
could we have smiled?
could you have smiled?
could they have smiled? 	could I have been smiling?
could you have been smiling?
could he have been smiling?
could we have been smiling?
could you have been smiling?
could they have been smiling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I smile?
couldn't you smile?
couldn't he smile?
couldn't we smile?
couldn't you smile?
couldn't they smile? 	couldn't I be smiling?
couldn't you be smiling?
couldn't he be smiling?
couldn't we be smiling?
couldn't you be smiling?
couldn't they be smiling? 	couldn't I have smiled?
couldn't you have smiled?
couldn't he have smiled?
couldn't we have smiled?
couldn't you have smiled?
couldn't they have smiled? 	couldn't I have been smiling?
couldn't you have been smiling?
couldn't he have been smiling?
couldn't we have been smiling?
couldn't you have been smiling?
couldn't they have been smiling?