must jab
Verbo regular: jab - jabbed- jabbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must jab
you must jab
he must jab
we must jab
you must jab
they must jab 	I must be jabbing
you must be jabbing
he must be jabbing
we must be jabbing
you must be jabbing
they must be jabbing	I must have jabbed
you must have jabbed
he must have jabbed
we must have jabbed
you must have jabbed
they must have jabbed	I must have been jabbing
you must have been jabbing
he must have been jabbing
we must have been jabbing
you must have been jabbing
they must have been jabbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not jab
you must not jab
he must not jab
we must not jab
you must not jab
they must not jab 	I must not be jabbing
you must not be jabbing
he must not be jabbing
we must not be jabbing
you must not be jabbing
they must not be jabbing	I must not have jabbed
you must not have jabbed
he must not have jabbed
we must not have jabbed
you must not have jabbed
they must not have jabbed	I must not have been jabbing
you must not have been jabbing
he must not have been jabbing
we must not have been jabbing
you must not have been jabbing
they must not have been jabbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I jab?
must you jab?
must he jab?
must we jab?
must you jab?
must they jab? 	must I be jabbing?
must you be jabbing?
must he be jabbing?
must we be jabbing?
must you be jabbing?
must they be jabbing? 	must I have jabbed?
must you have jabbed?
must he have jabbed?
must we have jabbed?
must you have jabbed?
must they have jabbed? 	must I have been jabbing?
must you have been jabbing?
must he have been jabbing?
must we have been jabbing?
must you have been jabbing?
must they have been jabbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not jab?
must you not jab?
must he not jab?
must we not jab?
must you not jab?
must they not jab? 	must I not be jabbing?
must you not be jabbing?
must he not be jabbing?
must we not be jabbing?
must you not be jabbing?
must they not be jabbing? 	must I not have jabbed?
must you not have jabbed?
must he not have jabbed?
must we not have jabbed?
must you not have jabbed?
must they not have jabbed? 	must I not have been jabbing?
must you not have been jabbing?
must he not have been jabbing?
must we not have been jabbing?
must you not have been jabbing?
must they not have been jabbing?