must unweave
Irregular verb: unweave - unwove, unweaved- unwoven

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unweave
you must unweave
she must unweave
we must unweave
you must unweave
they must unweave 	I must be unweaving
you must be unweaving
she must be unweaving
we must be unweaving
you must be unweaving
they must be unweaving	I must have unwoven
you must have unwoven
she must have unwoven
we must have unwoven
you must have unwoven
they must have unwoven	I must have been unweaving
you must have been unweaving
she must have been unweaving
we must have been unweaving
you must have been unweaving
they must have been unweaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't unweave
you mustn't unweave
she mustn't unweave
we mustn't unweave
you mustn't unweave
they mustn't unweave 	I mustn't be unweaving
you mustn't be unweaving
she mustn't be unweaving
we mustn't be unweaving
you mustn't be unweaving
they mustn't be unweaving	I mustn't have unwoven
you mustn't have unwoven
she mustn't have unwoven
we mustn't have unwoven
you mustn't have unwoven
they mustn't have unwoven	I mustn't have been unweaving
you mustn't have been unweaving
she mustn't have been unweaving
we mustn't have been unweaving
you mustn't have been unweaving
they mustn't have been unweaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unweave?
must you unweave?
must she unweave?
must we unweave?
must you unweave?
must they unweave? 	must I be unweaving?
must you be unweaving?
must she be unweaving?
must we be unweaving?
must you be unweaving?
must they be unweaving? 	must I have unwoven?
must you have unwoven?
must she have unwoven?
must we have unwoven?
must you have unwoven?
must they have unwoven? 	must I have been unweaving?
must you have been unweaving?
must she have been unweaving?
must we have been unweaving?
must you have been unweaving?
must they have been unweaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I unweave?
mustn't you unweave?
mustn't she unweave?
mustn't we unweave?
mustn't you unweave?
mustn't they unweave? 	mustn't I be unweaving?
mustn't you be unweaving?
mustn't she be unweaving?
mustn't we be unweaving?
mustn't you be unweaving?
mustn't they be unweaving? 	mustn't I have unwoven?
mustn't you have unwoven?
mustn't she have unwoven?
mustn't we have unwoven?
mustn't you have unwoven?
mustn't they have unwoven? 	mustn't I have been unweaving?
mustn't you have been unweaving?
mustn't she have been unweaving?
mustn't we have been unweaving?
mustn't you have been unweaving?
mustn't they have been unweaving?