can convulse
Verbo regular: convulse - convulsed- convulsed

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

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

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

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