could effervesce
Verbo regolare: effervesce - effervesced- effervesced

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could effervesce
you could effervesce
he could effervesce
we could effervesce
you could effervesce
they could effervesce 	I could be effervescing
you could be effervescing
he could be effervescing
we could be effervescing
you could be effervescing
they could be effervescing	I could have effervesced
you could have effervesced
he could have effervesced
we could have effervesced
you could have effervesced
they could have effervesced	I could have been effervescing
you could have been effervescing
he could have been effervescing
we could have been effervescing
you could have been effervescing
they could have been effervescing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not effervesce
you could not effervesce
he could not effervesce
we could not effervesce
you could not effervesce
they could not effervesce 	I could not be effervescing
you could not be effervescing
he could not be effervescing
we could not be effervescing
you could not be effervescing
they could not be effervescing	I could not have effervesced
you could not have effervesced
he could not have effervesced
we could not have effervesced
you could not have effervesced
they could not have effervesced	I could not have been effervescing
you could not have been effervescing
he could not have been effervescing
we could not have been effervescing
you could not have been effervescing
they could not have been effervescing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I effervesce?
could you effervesce?
could he effervesce?
could we effervesce?
could you effervesce?
could they effervesce? 	could I be effervescing?
could you be effervescing?
could he be effervescing?
could we be effervescing?
could you be effervescing?
could they be effervescing? 	could I have effervesced?
could you have effervesced?
could he have effervesced?
could we have effervesced?
could you have effervesced?
could they have effervesced? 	could I have been effervescing?
could you have been effervescing?
could he have been effervescing?
could we have been effervescing?
could you have been effervescing?
could they have been effervescing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not effervesce?
could you not effervesce?
could he not effervesce?
could we not effervesce?
could you not effervesce?
could they not effervesce? 	could I not be effervescing?
could you not be effervescing?
could he not be effervescing?
could we not be effervescing?
could you not be effervescing?
could they not be effervescing? 	could I not have effervesced?
could you not have effervesced?
could he not have effervesced?
could we not have effervesced?
could you not have effervesced?
could they not have effervesced? 	could I not have been effervescing?
could you not have been effervescing?
could he not have been effervescing?
could we not have been effervescing?
could you not have been effervescing?
could they not have been effervescing?