Conjugación del verbo inglés
COULD CONVULSE

Verbo regular: convulse - convulsed - convulsed

Afirmación

Forma simple	Forma con V-ing
I could convulse you could convulse she could convulse we could convulse you could convulse they could convulse	I could be convulsing you could be convulsing she could be convulsing we could be convulsing you could be convulsing they could be convulsing
Perfecto	Perfecto con V-ing
I could have convulsed you could have convulsed she 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 she could have been convulsing we could have been convulsing you could have been convulsing they could have been convulsing

Negación

Forma simple	Forma con V-ing
I could not convulse you could not convulse she could not convulse we could not convulse you could not convulse they could not convulse	I could not be convulsing you could not be convulsing she could not be convulsing we could not be convulsing you could not be convulsing they could not be convulsing
Perfecto	Perfecto con V-ing
I could not have convulsed you could not have convulsed she could not have convulsed we could not have convulsed you could not have convulsed they could not have convulsed	I could not have been convulsing you could not have been convulsing she could not have been convulsing we could not have been convulsing you could not have been convulsing they could not have been convulsing

Forma interrogativa

Forma simple	Forma con V-ing
could I convulse? could you convulse? could she convulse? could we convulse? could you convulse? could they convulse?	could I be convulsing? could you be convulsing? could she be convulsing? could we be convulsing? could you be convulsing? could they be convulsing?
Perfecto	Perfecto con V-ing
could I have convulsed? could you have convulsed? could she 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 she have been convulsing? could we have been convulsing? could you have been convulsing? could they have been convulsing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not convulse? could you not convulse? could she not convulse? could we not convulse? could you not convulse? could they not convulse?	could I not be convulsing? could you not be convulsing? could she not be convulsing? could we not be convulsing? could you not be convulsing? could they not be convulsing?
Perfecto	Perfecto con V-ing
could I not have convulsed? could you not have convulsed? could she not have convulsed? could we not have convulsed? could you not have convulsed? could they not have convulsed?	could I not have been convulsing? could you not have been convulsing? could she not have been convulsing? could we not have been convulsing? could you not have been convulsing? could they not have been convulsing?