Conjugação do verbo inglês
COULD CONVULSE

Verbo regular: convulse - convulsed - convulsed

Afirmação

Forma simple	Forma com V-ing
I could convulse you could convulse he could convulse we could convulse you could convulse they could convulse	I could be convulsing you could be convulsing he could be convulsing we could be convulsing you could be convulsing they could be convulsing
Perfeito	Perfeito com V-ing
I could have convulsed you could have convulsed he could have convulsed we could have convulsed you could have convulsed they could have convulsed	I could have been convulsing you could have been convulsing he could have been convulsing we could have been convulsing you could have been convulsing they could have been convulsing

Negação

Forma simple	Forma com V-ing
I couldn't convulse you couldn't convulse he couldn't convulse we couldn't convulse you couldn't convulse they couldn't convulse	I couldn't be convulsing you couldn't be convulsing he couldn't be convulsing we couldn't be convulsing you couldn't be convulsing they couldn't be convulsing
Perfeito	Perfeito com V-ing
I couldn't have convulsed you couldn't have convulsed he couldn't have convulsed we couldn't have convulsed you couldn't have convulsed they couldn't have convulsed	I couldn't have been convulsing you couldn't have been convulsing he couldn't have been convulsing we couldn't have been convulsing you couldn't have been convulsing they couldn't have been convulsing

Forma interrogativa

Forma simple	Forma com V-ing
could I convulse? could you convulse? could he convulse? could we convulse? could you convulse? could they convulse?	could I be convulsing? could you be convulsing? could he be convulsing? could we be convulsing? could you be convulsing? could they be convulsing?
Perfeito	Perfeito com V-ing
could I have convulsed? could you have convulsed? could he have convulsed? could we have convulsed? could you have convulsed? could they have convulsed?	could I have been convulsing? could you have been convulsing? could he have been convulsing? could we have been convulsing? could you have been convulsing? could they have been convulsing?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I convulse? couldn't you convulse? couldn't he convulse? couldn't we convulse? couldn't you convulse? couldn't they convulse?	couldn't I be convulsing? couldn't you be convulsing? couldn't he be convulsing? couldn't we be convulsing? couldn't you be convulsing? couldn't they be convulsing?
Perfeito	Perfeito com V-ing
couldn't I have convulsed? couldn't you have convulsed? couldn't he have convulsed? couldn't we have convulsed? couldn't you have convulsed? couldn't they have convulsed?	couldn't I have been convulsing? couldn't you have been convulsing? couldn't he have been convulsing? couldn't we have been convulsing? couldn't you have been convulsing? couldn't they have been convulsing?