must jig
Regular verb: jig - jiged- jiged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must jig
you must jig
she must jig
we must jig
you must jig
they must jig 	I must be jiging
you must be jiging
she must be jiging
we must be jiging
you must be jiging
they must be jiging	I must have jiged
you must have jiged
she must have jiged
we must have jiged
you must have jiged
they must have jiged	I must have been jiging
you must have been jiging
she must have been jiging
we must have been jiging
you must have been jiging
they must have been jiging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not jig
you must not jig
she must not jig
we must not jig
you must not jig
they must not jig 	I must not be jiging
you must not be jiging
she must not be jiging
we must not be jiging
you must not be jiging
they must not be jiging	I must not have jiged
you must not have jiged
she must not have jiged
we must not have jiged
you must not have jiged
they must not have jiged	I must not have been jiging
you must not have been jiging
she must not have been jiging
we must not have been jiging
you must not have been jiging
they must not have been jiging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I jig?
must you jig?
must she jig?
must we jig?
must you jig?
must they jig? 	must I be jiging?
must you be jiging?
must she be jiging?
must we be jiging?
must you be jiging?
must they be jiging? 	must I have jiged?
must you have jiged?
must she have jiged?
must we have jiged?
must you have jiged?
must they have jiged? 	must I have been jiging?
must you have been jiging?
must she have been jiging?
must we have been jiging?
must you have been jiging?
must they have been jiging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not jig?
must you not jig?
must she not jig?
must we not jig?
must you not jig?
must they not jig? 	must I not be jiging?
must you not be jiging?
must she not be jiging?
must we not be jiging?
must you not be jiging?
must they not be jiging? 	must I not have jiged?
must you not have jiged?
must she not have jiged?
must we not have jiged?
must you not have jiged?
must they not have jiged? 	must I not have been jiging?
must you not have been jiging?
must she not have been jiging?
must we not have been jiging?
must you not have been jiging?
must they not have been jiging?