Conjugação do verbo inglês
COULD DESCALE

Verbo regular: descale - descaled - descaled

Afirmação

Forma simple	Forma com V-ing
I could descale you could descale she could descale we could descale you could descale they could descale	I could be descaling you could be descaling she could be descaling we could be descaling you could be descaling they could be descaling
Perfeito	Perfeito com V-ing
I could have descaled you could have descaled she could have descaled we could have descaled you could have descaled they could have descaled	I could have been descaling you could have been descaling she could have been descaling we could have been descaling you could have been descaling they could have been descaling

Negação

Forma simple	Forma com V-ing
I couldn't descale you couldn't descale she couldn't descale we couldn't descale you couldn't descale they couldn't descale	I couldn't be descaling you couldn't be descaling she couldn't be descaling we couldn't be descaling you couldn't be descaling they couldn't be descaling
Perfeito	Perfeito com V-ing
I couldn't have descaled you couldn't have descaled she couldn't have descaled we couldn't have descaled you couldn't have descaled they couldn't have descaled	I couldn't have been descaling you couldn't have been descaling she couldn't have been descaling we couldn't have been descaling you couldn't have been descaling they couldn't have been descaling

Forma interrogativa

Forma simple	Forma com V-ing
could I descale? could you descale? could she descale? could we descale? could you descale? could they descale?	could I be descaling? could you be descaling? could she be descaling? could we be descaling? could you be descaling? could they be descaling?
Perfeito	Perfeito com V-ing
could I have descaled? could you have descaled? could she have descaled? could we have descaled? could you have descaled? could they have descaled?	could I have been descaling? could you have been descaling? could she have been descaling? could we have been descaling? could you have been descaling? could they have been descaling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I descale? couldn't you descale? couldn't she descale? couldn't we descale? couldn't you descale? couldn't they descale?	couldn't I be descaling? couldn't you be descaling? couldn't she be descaling? couldn't we be descaling? couldn't you be descaling? couldn't they be descaling?
Perfeito	Perfeito com V-ing
couldn't I have descaled? couldn't you have descaled? couldn't she have descaled? couldn't we have descaled? couldn't you have descaled? couldn't they have descaled?	couldn't I have been descaling? couldn't you have been descaling? couldn't she have been descaling? couldn't we have been descaling? couldn't you have been descaling? couldn't they have been descaling?