must convulse
Verbo regular: convulse - convulsed- convulsed

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not convulse
you must not convulse
he must not convulse
we must not convulse
you must not convulse
they must not convulse 	I must not be convulsing
you must not be convulsing
he must not be convulsing
we must not be convulsing
you must not be convulsing
they must not be convulsing	I must not have convulsed
you must not have convulsed
he must not have convulsed
we must not have convulsed
you must not have convulsed
they must not have convulsed	I must not have been convulsing
you must not have been convulsing
he must not have been convulsing
we must not have been convulsing
you must not have been convulsing
they must not have been convulsing	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not convulse?
must you not convulse?
must he not convulse?
must we not convulse?
must you not convulse?
must they not convulse? 	must I not be convulsing?
must you not be convulsing?
must he not be convulsing?
must we not be convulsing?
must you not be convulsing?
must they not be convulsing? 	must I not have convulsed?
must you not have convulsed?
must he not have convulsed?
must we not have convulsed?
must you not have convulsed?
must they not have convulsed? 	must I not have been convulsing?
must you not have been convulsing?
must he not have been convulsing?
must we not have been convulsing?
must you not have been convulsing?
must they not have been convulsing?