must magnetise
Regular verb: magnetise - magnetised- magnetised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must magnetise
you must magnetise
he must magnetise
we must magnetise
you must magnetise
they must magnetise 	I must be magnetising
you must be magnetising
he must be magnetising
we must be magnetising
you must be magnetising
they must be magnetising	I must have magnetised
you must have magnetised
he must have magnetised
we must have magnetised
you must have magnetised
they must have magnetised	I must have been magnetising
you must have been magnetising
he must have been magnetising
we must have been magnetising
you must have been magnetising
they must have been magnetising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't magnetise
you mustn't magnetise
he mustn't magnetise
we mustn't magnetise
you mustn't magnetise
they mustn't magnetise 	I mustn't be magnetising
you mustn't be magnetising
he mustn't be magnetising
we mustn't be magnetising
you mustn't be magnetising
they mustn't be magnetising	I mustn't have magnetised
you mustn't have magnetised
he mustn't have magnetised
we mustn't have magnetised
you mustn't have magnetised
they mustn't have magnetised	I mustn't have been magnetising
you mustn't have been magnetising
he mustn't have been magnetising
we mustn't have been magnetising
you mustn't have been magnetising
they mustn't have been magnetising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I magnetise?
must you magnetise?
must he magnetise?
must we magnetise?
must you magnetise?
must they magnetise? 	must I be magnetising?
must you be magnetising?
must he be magnetising?
must we be magnetising?
must you be magnetising?
must they be magnetising? 	must I have magnetised?
must you have magnetised?
must he have magnetised?
must we have magnetised?
must you have magnetised?
must they have magnetised? 	must I have been magnetising?
must you have been magnetising?
must he have been magnetising?
must we have been magnetising?
must you have been magnetising?
must they have been magnetising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I magnetise?
mustn't you magnetise?
mustn't he magnetise?
mustn't we magnetise?
mustn't you magnetise?
mustn't they magnetise? 	mustn't I be magnetising?
mustn't you be magnetising?
mustn't he be magnetising?
mustn't we be magnetising?
mustn't you be magnetising?
mustn't they be magnetising? 	mustn't I have magnetised?
mustn't you have magnetised?
mustn't he have magnetised?
mustn't we have magnetised?
mustn't you have magnetised?
mustn't they have magnetised? 	mustn't I have been magnetising?
mustn't you have been magnetising?
mustn't he have been magnetising?
mustn't we have been magnetising?
mustn't you have been magnetising?
mustn't they have been magnetising?