How Can We Help Children Become Good Writers of Narrative?

How can we help children become good writers of narrative?
To become good writers of narrative children need to have a wide range of experience in hearing and reading stories.
'The roots of story writing lie in a rich experience of listening to and watching stories, drama and role play, early story reading, frequent re-reading of favourites and the telling/retelling of all forms of story' (Writing Narrative: writer flier 2:NLS)
As well as an extensive background of stories children need the right environment to produce them.
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