must write-protect
Regular verb: write-protect - write-protected- write-protected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must write-protect
you must write-protect
he must write-protect
we must write-protect
you must write-protect
they must write-protect 	I must be write-protecting
you must be write-protecting
he must be write-protecting
we must be write-protecting
you must be write-protecting
they must be write-protecting	I must have write-protected
you must have write-protected
he must have write-protected
we must have write-protected
you must have write-protected
they must have write-protected	I must have been write-protecting
you must have been write-protecting
he must have been write-protecting
we must have been write-protecting
you must have been write-protecting
they must have been write-protecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't write-protect
you mustn't write-protect
he mustn't write-protect
we mustn't write-protect
you mustn't write-protect
they mustn't write-protect 	I mustn't be write-protecting
you mustn't be write-protecting
he mustn't be write-protecting
we mustn't be write-protecting
you mustn't be write-protecting
they mustn't be write-protecting	I mustn't have write-protected
you mustn't have write-protected
he mustn't have write-protected
we mustn't have write-protected
you mustn't have write-protected
they mustn't have write-protected	I mustn't have been write-protecting
you mustn't have been write-protecting
he mustn't have been write-protecting
we mustn't have been write-protecting
you mustn't have been write-protecting
they mustn't have been write-protecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I write-protect?
must you write-protect?
must he write-protect?
must we write-protect?
must you write-protect?
must they write-protect? 	must I be write-protecting?
must you be write-protecting?
must he be write-protecting?
must we be write-protecting?
must you be write-protecting?
must they be write-protecting? 	must I have write-protected?
must you have write-protected?
must he have write-protected?
must we have write-protected?
must you have write-protected?
must they have write-protected? 	must I have been write-protecting?
must you have been write-protecting?
must he have been write-protecting?
must we have been write-protecting?
must you have been write-protecting?
must they have been write-protecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I write-protect?
mustn't you write-protect?
mustn't he write-protect?
mustn't we write-protect?
mustn't you write-protect?
mustn't they write-protect? 	mustn't I be write-protecting?
mustn't you be write-protecting?
mustn't he be write-protecting?
mustn't we be write-protecting?
mustn't you be write-protecting?
mustn't they be write-protecting? 	mustn't I have write-protected?
mustn't you have write-protected?
mustn't he have write-protected?
mustn't we have write-protected?
mustn't you have write-protected?
mustn't they have write-protected? 	mustn't I have been write-protecting?
mustn't you have been write-protecting?
mustn't he have been write-protecting?
mustn't we have been write-protecting?
mustn't you have been write-protecting?
mustn't they have been write-protecting?