must reattach
Regular verb: reattach - reattached- reattached

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reattach
you must reattach
he must reattach
we must reattach
you must reattach
they must reattach 	I must be reattaching
you must be reattaching
he must be reattaching
we must be reattaching
you must be reattaching
they must be reattaching	I must have reattached
you must have reattached
he must have reattached
we must have reattached
you must have reattached
they must have reattached	I must have been reattaching
you must have been reattaching
he must have been reattaching
we must have been reattaching
you must have been reattaching
they must have been reattaching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't reattach
you mustn't reattach
he mustn't reattach
we mustn't reattach
you mustn't reattach
they mustn't reattach 	I mustn't be reattaching
you mustn't be reattaching
he mustn't be reattaching
we mustn't be reattaching
you mustn't be reattaching
they mustn't be reattaching	I mustn't have reattached
you mustn't have reattached
he mustn't have reattached
we mustn't have reattached
you mustn't have reattached
they mustn't have reattached	I mustn't have been reattaching
you mustn't have been reattaching
he mustn't have been reattaching
we mustn't have been reattaching
you mustn't have been reattaching
they mustn't have been reattaching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reattach?
must you reattach?
must he reattach?
must we reattach?
must you reattach?
must they reattach? 	must I be reattaching?
must you be reattaching?
must he be reattaching?
must we be reattaching?
must you be reattaching?
must they be reattaching? 	must I have reattached?
must you have reattached?
must he have reattached?
must we have reattached?
must you have reattached?
must they have reattached? 	must I have been reattaching?
must you have been reattaching?
must he have been reattaching?
must we have been reattaching?
must you have been reattaching?
must they have been reattaching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I reattach?
mustn't you reattach?
mustn't he reattach?
mustn't we reattach?
mustn't you reattach?
mustn't they reattach? 	mustn't I be reattaching?
mustn't you be reattaching?
mustn't he be reattaching?
mustn't we be reattaching?
mustn't you be reattaching?
mustn't they be reattaching? 	mustn't I have reattached?
mustn't you have reattached?
mustn't he have reattached?
mustn't we have reattached?
mustn't you have reattached?
mustn't they have reattached? 	mustn't I have been reattaching?
mustn't you have been reattaching?
mustn't he have been reattaching?
mustn't we have been reattaching?
mustn't you have been reattaching?
mustn't they have been reattaching?