Form analysis — matching form to effect

For each of the following extracts, identify the form and explain how the form conventions affect the reader's experience.

1. "Dear Mrs Holloway, I am writing to inform you that your application for a parking permit has been unsuccessful at this time."
2. "He drove north. He thought about nothing. Three hours later, the sea."
3. "A brief history of my silence: I stopped speaking on my thirteenth birthday. I started again three years later, in a hospital waiting room in Leeds, when a stranger asked me the time."

[9 marks — B3 each]