Conjugação do verbo inglês
COULD EFFERVESCE

Verbo regular: effervesce - effervesced - effervesced

Afirmação

Forma simple	Forma com 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
Perfeito	Perfeito com V-ing
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

Negação

Forma simple	Forma com V-ing
I couldn't effervesce you couldn't effervesce he couldn't effervesce we couldn't effervesce you couldn't effervesce they couldn't effervesce	I couldn't be effervescing you couldn't be effervescing he couldn't be effervescing we couldn't be effervescing you couldn't be effervescing they couldn't be effervescing
Perfeito	Perfeito com V-ing
I couldn't have effervesced you couldn't have effervesced he couldn't have effervesced we couldn't have effervesced you couldn't have effervesced they couldn't have effervesced	I couldn't have been effervescing you couldn't have been effervescing he couldn't have been effervescing we couldn't have been effervescing you couldn't have been effervescing they couldn't have been effervescing

Forma interrogativa

Forma simple	Forma com 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?
Perfeito	Perfeito com V-ing
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-Negação

Forma simple	Forma com V-ing
couldn't I effervesce? couldn't you effervesce? couldn't he effervesce? couldn't we effervesce? couldn't you effervesce? couldn't they effervesce?	couldn't I be effervescing? couldn't you be effervescing? couldn't he be effervescing? couldn't we be effervescing? couldn't you be effervescing? couldn't they be effervescing?
Perfeito	Perfeito com V-ing
couldn't I have effervesced? couldn't you have effervesced? couldn't he have effervesced? couldn't we have effervesced? couldn't you have effervesced? couldn't they have effervesced?	couldn't I have been effervescing? couldn't you have been effervescing? couldn't he have been effervescing? couldn't we have been effervescing? couldn't you have been effervescing? couldn't they have been effervescing?