1 Have you seen 'A book on writing'? (http://www.usingenglish.com/amazon/us/0951958216.html) That has lots of exercises to help with connection, etc.
2 No, it's abrupt, doesn't summarise and is of dubious relevance
3 You'll find an example here: http://iteslj.org/Techniques/Yang-Writing.html It's basically how it moves from paragraph to pragraph, point to point
- For Teachers