In this video, Dr Anja Tröger, who is Teaching Fellow in Norwegian at the University of Edinburgh, talks you through different grammar points that you can use to make your sentences and paragraphs flow. 
This video was created as an OER as part of the Digital Education Module for the Postgraduate Certificate in Academic Practice (PgCAP) at the University of Edinburgh. 
If you want, you can download a transcript for the video. 
Enjoy!