must jitter
Verbo regular: jitter - jittered- jittered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must jitter
you must jitter
he must jitter
we must jitter
you must jitter
they must jitter 	I must be jittering
you must be jittering
he must be jittering
we must be jittering
you must be jittering
they must be jittering	I must have jittered
you must have jittered
he must have jittered
we must have jittered
you must have jittered
they must have jittered	I must have been jittering
you must have been jittering
he must have been jittering
we must have been jittering
you must have been jittering
they must have been jittering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not jitter
you must not jitter
he must not jitter
we must not jitter
you must not jitter
they must not jitter 	I must not be jittering
you must not be jittering
he must not be jittering
we must not be jittering
you must not be jittering
they must not be jittering	I must not have jittered
you must not have jittered
he must not have jittered
we must not have jittered
you must not have jittered
they must not have jittered	I must not have been jittering
you must not have been jittering
he must not have been jittering
we must not have been jittering
you must not have been jittering
they must not have been jittering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I jitter?
must you jitter?
must he jitter?
must we jitter?
must you jitter?
must they jitter? 	must I be jittering?
must you be jittering?
must he be jittering?
must we be jittering?
must you be jittering?
must they be jittering? 	must I have jittered?
must you have jittered?
must he have jittered?
must we have jittered?
must you have jittered?
must they have jittered? 	must I have been jittering?
must you have been jittering?
must he have been jittering?
must we have been jittering?
must you have been jittering?
must they have been jittering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not jitter?
must you not jitter?
must he not jitter?
must we not jitter?
must you not jitter?
must they not jitter? 	must I not be jittering?
must you not be jittering?
must he not be jittering?
must we not be jittering?
must you not be jittering?
must they not be jittering? 	must I not have jittered?
must you not have jittered?
must he not have jittered?
must we not have jittered?
must you not have jittered?
must they not have jittered? 	must I not have been jittering?
must you not have been jittering?
must he not have been jittering?
must we not have been jittering?
must you not have been jittering?
must they not have been jittering?