must jingle
Regular verb: jingle - jingled- jingled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must jingle
you must jingle
he must jingle
we must jingle
you must jingle
they must jingle 	I must be jingling
you must be jingling
he must be jingling
we must be jingling
you must be jingling
they must be jingling	I must have jingled
you must have jingled
he must have jingled
we must have jingled
you must have jingled
they must have jingled	I must have been jingling
you must have been jingling
he must have been jingling
we must have been jingling
you must have been jingling
they must have been jingling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not jingle
you must not jingle
he must not jingle
we must not jingle
you must not jingle
they must not jingle 	I must not be jingling
you must not be jingling
he must not be jingling
we must not be jingling
you must not be jingling
they must not be jingling	I must not have jingled
you must not have jingled
he must not have jingled
we must not have jingled
you must not have jingled
they must not have jingled	I must not have been jingling
you must not have been jingling
he must not have been jingling
we must not have been jingling
you must not have been jingling
they must not have been jingling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I jingle?
must you jingle?
must he jingle?
must we jingle?
must you jingle?
must they jingle? 	must I be jingling?
must you be jingling?
must he be jingling?
must we be jingling?
must you be jingling?
must they be jingling? 	must I have jingled?
must you have jingled?
must he have jingled?
must we have jingled?
must you have jingled?
must they have jingled? 	must I have been jingling?
must you have been jingling?
must he have been jingling?
must we have been jingling?
must you have been jingling?
must they have been jingling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not jingle?
must you not jingle?
must he not jingle?
must we not jingle?
must you not jingle?
must they not jingle? 	must I not be jingling?
must you not be jingling?
must he not be jingling?
must we not be jingling?
must you not be jingling?
must they not be jingling? 	must I not have jingled?
must you not have jingled?
must he not have jingled?
must we not have jingled?
must you not have jingled?
must they not have jingled? 	must I not have been jingling?
must you not have been jingling?
must he not have been jingling?
must we not have been jingling?
must you not have been jingling?
must they not have been jingling?