could flutter
Verbo regolare: flutter - fluttered- fluttered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could flutter
you could flutter
she could flutter
we could flutter
you could flutter
they could flutter 	I could be fluttering
you could be fluttering
she could be fluttering
we could be fluttering
you could be fluttering
they could be fluttering	I could have fluttered
you could have fluttered
she could have fluttered
we could have fluttered
you could have fluttered
they could have fluttered	I could have been fluttering
you could have been fluttering
she could have been fluttering
we could have been fluttering
you could have been fluttering
they could have been fluttering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't flutter
you couldn't flutter
she couldn't flutter
we couldn't flutter
you couldn't flutter
they couldn't flutter 	I couldn't be fluttering
you couldn't be fluttering
she couldn't be fluttering
we couldn't be fluttering
you couldn't be fluttering
they couldn't be fluttering	I couldn't have fluttered
you couldn't have fluttered
she couldn't have fluttered
we couldn't have fluttered
you couldn't have fluttered
they couldn't have fluttered	I couldn't have been fluttering
you couldn't have been fluttering
she couldn't have been fluttering
we couldn't have been fluttering
you couldn't have been fluttering
they couldn't have been fluttering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I flutter?
could you flutter?
could she flutter?
could we flutter?
could you flutter?
could they flutter? 	could I be fluttering?
could you be fluttering?
could she be fluttering?
could we be fluttering?
could you be fluttering?
could they be fluttering? 	could I have fluttered?
could you have fluttered?
could she have fluttered?
could we have fluttered?
could you have fluttered?
could they have fluttered? 	could I have been fluttering?
could you have been fluttering?
could she have been fluttering?
could we have been fluttering?
could you have been fluttering?
could they have been fluttering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I flutter?
couldn't you flutter?
couldn't she flutter?
couldn't we flutter?
couldn't you flutter?
couldn't they flutter? 	couldn't I be fluttering?
couldn't you be fluttering?
couldn't she be fluttering?
couldn't we be fluttering?
couldn't you be fluttering?
couldn't they be fluttering? 	couldn't I have fluttered?
couldn't you have fluttered?
couldn't she have fluttered?
couldn't we have fluttered?
couldn't you have fluttered?
couldn't they have fluttered? 	couldn't I have been fluttering?
couldn't you have been fluttering?
couldn't she have been fluttering?
couldn't we have been fluttering?
couldn't you have been fluttering?
couldn't they have been fluttering?