sorry to not continue in the second email..
 
went missing is the simple past tense form of the "go gerund."  The go gerund is only used for activities that we do as hobbies i.e. go fishing, go swimming.  Go missing isn't a hobby.  In this use it seems like missing is used as a participle,not a gerund.  So the correct auxiliary verb would be was missing.
 
Alison
 
Knowledge is the seed that exists in all of us.
It is up to us to cultivate that seed.
There is no such thing as a stupid seed.
Just as there is no such thing as a stupid person.
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