could convulse
Verbe régulier : convulse - convulsed- convulsed
Traduction française : se convulser - se contracter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	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?