can effervesce
Verbo regular: effervesce - effervesced- effervesced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can effervesce
you can effervesce
she can effervesce
we can effervesce
you can effervesce
they can effervesce 	I can be effervescing
you can be effervescing
she can be effervescing
we can be effervescing
you can be effervescing
they can be effervescing	I can have effervesced
you can have effervesced
she can have effervesced
we can have effervesced
you can have effervesced
they can have effervesced	I can have been effervescing
you can have been effervescing
she can have been effervescing
we can have been effervescing
you can have been effervescing
they can have been effervescing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot effervesce
you cannot effervesce
she cannot effervesce
we cannot effervesce
you cannot effervesce
they cannot effervesce 	I cannot be effervescing
you cannot be effervescing
she cannot be effervescing
we cannot be effervescing
you cannot be effervescing
they cannot be effervescing	I cannot have effervesced
you cannot have effervesced
she cannot have effervesced
we cannot have effervesced
you cannot have effervesced
they cannot have effervesced	I cannot have been effervescing
you cannot have been effervescing
she cannot have been effervescing
we cannot have been effervescing
you cannot have been effervescing
they cannot have been effervescing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I effervesce?
can you effervesce?
can she effervesce?
can we effervesce?
can you effervesce?
can they effervesce? 	can I be effervescing?
can you be effervescing?
can she be effervescing?
can we be effervescing?
can you be effervescing?
can they be effervescing? 	can I have effervesced?
can you have effervesced?
can she have effervesced?
can we have effervesced?
can you have effervesced?
can they have effervesced? 	can I have been effervescing?
can you have been effervescing?
can she have been effervescing?
can we have been effervescing?
can you have been effervescing?
can they have been effervescing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not effervesce?
can you not effervesce?
can she not effervesce?
can we not effervesce?
can you not effervesce?
can they not effervesce? 	can I not be effervescing?
can you not be effervescing?
can she not be effervescing?
can we not be effervescing?
can you not be effervescing?
can they not be effervescing? 	can I not have effervesced?
can you not have effervesced?
can she not have effervesced?
can we not have effervesced?
can you not have effervesced?
can they not have effervesced? 	can I not have been effervescing?
can you not have been effervescing?
can she not have been effervescing?
can we not have been effervescing?
can you not have been effervescing?
can they not have been effervescing?