Idiom
go to show somethinggo to show (something)
if an event or situation goes to show something, it proves that it is true.There are more women in parliament now than ever before. It just goes to show that things are changing.
(never in continuous tenses; usually +
that)
The painting was gone for a week before anyone noticed, which only goes to show how unobservant people are.
(often + question word)