Use flashback, or recollection to explain why. Small child really wants to go to another child's birthday party but there's a problem.
He has to go to his dad's that weekend/hasn't been invited/has to go to the dentist instead. Start this story at the moment where the child realises he can't go.
Then you hear a noise outside (wolves, person, etc).
Start this as you're getting settled to go to sleep - then you hear snuffling (or whatever).
Frankenstein by Mary Shelley The Modern Prometheus"You are my creator, but I am your master, obey!
Start this at the moment you realise someone is following you. You can link this to Edwin Muir's post-apocalyptic poem 'Horses', 'Wind' by Ted Hughes or the final chapter of Lord of the Flies. The author, Melanie Kendry, is an Oxford graduate, outstanding-rated English Language and Literature teacher and of ages 10-18 in the British education system.
[read a short, hilarious one here] An old man, who has never cooked or cleaned for himself, has just got home after his wife died (of old age, in hospital).
You could link this to 'Old Age Gets Up' by Ted Hughes. Could be comic / tragic. You go for a forest walk (e.g. Start this when you check your bank balance and there are sooooo many noughts at the end it looks like a bank malfunction. Death of a pet. You can use flashback - when you first got the pet, etc. Learning a secret you wish you'd never found out - e.g.
on a Geography trip or Dof E) with someone you don't like much from school and get lost. Start this story just before the main character begins to suspect they are lost. Ferociously funny, very short story about a girl and a fish [here]. finding texts on your dad's mobile from his girlfriend while your parents are still married - or learning that your mum is planning to secretly leave your dad.
Could link to Robert Frost's poem 'The Road Not Taken', 'Storm in the Black Forest' by D. Start funny, ends up scary as it starts to go dark. Start this when you're just idly messing with the parent's phone or laptop. falling in love for the first time, as in Romeo and Juliet.