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 must not unweave
you must not unweave
she must not unweave
we must not unweave
you must not unweave
they must not unweave 	I must not be unweaving
you must not be unweaving
she must not be unweaving
we must not be unweaving
you must not be unweaving
they must not be unweaving	I must not have unwoven
you must not have unwoven
she must not have unwoven
we must not have unwoven
you must not have unwoven
they must not have unwoven	I must not have been unweaving
you must not have been unweaving
she must not have been unweaving
we must not have been unweaving
you must not have been unweaving
they must not 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 	
must I not unweave?
must you not unweave?
must she not unweave?
must we not unweave?
must you not unweave?
must they not unweave? 	must I not be unweaving?
must you not be unweaving?
must she not be unweaving?
must we not be unweaving?
must you not be unweaving?
must they not be unweaving? 	must I not have unwoven?
must you not have unwoven?
must she not have unwoven?
must we not have unwoven?
must you not have unwoven?
must they not have unwoven? 	must I not have been unweaving?
must you not have been unweaving?
must she not have been unweaving?
must we not have been unweaving?
must you not have been unweaving?
must they not have been unweaving?