must jar
Verbo regular: jar - jarred- jarred

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must jar
you must jar
he must jar
we must jar
you must jar
they must jar 	I must be jarring
you must be jarring
he must be jarring
we must be jarring
you must be jarring
they must be jarring	I must have jarred
you must have jarred
he must have jarred
we must have jarred
you must have jarred
they must have jarred	I must have been jarring
you must have been jarring
he must have been jarring
we must have been jarring
you must have been jarring
they must have been jarring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not jar
you must not jar
he must not jar
we must not jar
you must not jar
they must not jar 	I must not be jarring
you must not be jarring
he must not be jarring
we must not be jarring
you must not be jarring
they must not be jarring	I must not have jarred
you must not have jarred
he must not have jarred
we must not have jarred
you must not have jarred
they must not have jarred	I must not have been jarring
you must not have been jarring
he must not have been jarring
we must not have been jarring
you must not have been jarring
they must not have been jarring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I jar?
must you jar?
must he jar?
must we jar?
must you jar?
must they jar? 	must I be jarring?
must you be jarring?
must he be jarring?
must we be jarring?
must you be jarring?
must they be jarring? 	must I have jarred?
must you have jarred?
must he have jarred?
must we have jarred?
must you have jarred?
must they have jarred? 	must I have been jarring?
must you have been jarring?
must he have been jarring?
must we have been jarring?
must you have been jarring?
must they have been jarring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not jar?
must you not jar?
must he not jar?
must we not jar?
must you not jar?
must they not jar? 	must I not be jarring?
must you not be jarring?
must he not be jarring?
must we not be jarring?
must you not be jarring?
must they not be jarring? 	must I not have jarred?
must you not have jarred?
must he not have jarred?
must we not have jarred?
must you not have jarred?
must they not have jarred? 	must I not have been jarring?
must you not have been jarring?
must he not have been jarring?
must we not have been jarring?
must you not have been jarring?
must they not have been jarring?