must rescind
Regular verb: rescind - rescinded- rescinded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must rescind
you must rescind
she must rescind
we must rescind
you must rescind
they must rescind 	I must be rescinding
you must be rescinding
she must be rescinding
we must be rescinding
you must be rescinding
they must be rescinding	I must have rescinded
you must have rescinded
she must have rescinded
we must have rescinded
you must have rescinded
they must have rescinded	I must have been rescinding
you must have been rescinding
she must have been rescinding
we must have been rescinding
you must have been rescinding
they must have been rescinding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't rescind
you mustn't rescind
she mustn't rescind
we mustn't rescind
you mustn't rescind
they mustn't rescind 	I mustn't be rescinding
you mustn't be rescinding
she mustn't be rescinding
we mustn't be rescinding
you mustn't be rescinding
they mustn't be rescinding	I mustn't have rescinded
you mustn't have rescinded
she mustn't have rescinded
we mustn't have rescinded
you mustn't have rescinded
they mustn't have rescinded	I mustn't have been rescinding
you mustn't have been rescinding
she mustn't have been rescinding
we mustn't have been rescinding
you mustn't have been rescinding
they mustn't have been rescinding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I rescind?
must you rescind?
must she rescind?
must we rescind?
must you rescind?
must they rescind? 	must I be rescinding?
must you be rescinding?
must she be rescinding?
must we be rescinding?
must you be rescinding?
must they be rescinding? 	must I have rescinded?
must you have rescinded?
must she have rescinded?
must we have rescinded?
must you have rescinded?
must they have rescinded? 	must I have been rescinding?
must you have been rescinding?
must she have been rescinding?
must we have been rescinding?
must you have been rescinding?
must they have been rescinding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I rescind?
mustn't you rescind?
mustn't she rescind?
mustn't we rescind?
mustn't you rescind?
mustn't they rescind? 	mustn't I be rescinding?
mustn't you be rescinding?
mustn't she be rescinding?
mustn't we be rescinding?
mustn't you be rescinding?
mustn't they be rescinding? 	mustn't I have rescinded?
mustn't you have rescinded?
mustn't she have rescinded?
mustn't we have rescinded?
mustn't you have rescinded?
mustn't they have rescinded? 	mustn't I have been rescinding?
mustn't you have been rescinding?
mustn't she have been rescinding?
mustn't we have been rescinding?
mustn't you have been rescinding?
mustn't they have been rescinding?