must metathesize
Regular verb: metathesize - metathesized- metathesized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must metathesize
you must metathesize
she must metathesize
we must metathesize
you must metathesize
they must metathesize 	I must be metathesizing
you must be metathesizing
she must be metathesizing
we must be metathesizing
you must be metathesizing
they must be metathesizing	I must have metathesized
you must have metathesized
she must have metathesized
we must have metathesized
you must have metathesized
they must have metathesized	I must have been metathesizing
you must have been metathesizing
she must have been metathesizing
we must have been metathesizing
you must have been metathesizing
they must have been metathesizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't metathesize
you mustn't metathesize
she mustn't metathesize
we mustn't metathesize
you mustn't metathesize
they mustn't metathesize 	I mustn't be metathesizing
you mustn't be metathesizing
she mustn't be metathesizing
we mustn't be metathesizing
you mustn't be metathesizing
they mustn't be metathesizing	I mustn't have metathesized
you mustn't have metathesized
she mustn't have metathesized
we mustn't have metathesized
you mustn't have metathesized
they mustn't have metathesized	I mustn't have been metathesizing
you mustn't have been metathesizing
she mustn't have been metathesizing
we mustn't have been metathesizing
you mustn't have been metathesizing
they mustn't have been metathesizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I metathesize?
must you metathesize?
must she metathesize?
must we metathesize?
must you metathesize?
must they metathesize? 	must I be metathesizing?
must you be metathesizing?
must she be metathesizing?
must we be metathesizing?
must you be metathesizing?
must they be metathesizing? 	must I have metathesized?
must you have metathesized?
must she have metathesized?
must we have metathesized?
must you have metathesized?
must they have metathesized? 	must I have been metathesizing?
must you have been metathesizing?
must she have been metathesizing?
must we have been metathesizing?
must you have been metathesizing?
must they have been metathesizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I metathesize?
mustn't you metathesize?
mustn't she metathesize?
mustn't we metathesize?
mustn't you metathesize?
mustn't they metathesize? 	mustn't I be metathesizing?
mustn't you be metathesizing?
mustn't she be metathesizing?
mustn't we be metathesizing?
mustn't you be metathesizing?
mustn't they be metathesizing? 	mustn't I have metathesized?
mustn't you have metathesized?
mustn't she have metathesized?
mustn't we have metathesized?
mustn't you have metathesized?
mustn't they have metathesized? 	mustn't I have been metathesizing?
mustn't you have been metathesizing?
mustn't she have been metathesizing?
mustn't we have been metathesizing?
mustn't you have been metathesizing?
mustn't they have been metathesizing?