Word limit is 2000 words! Use please footnotes and bibliography. You have to mention duty of care, for duty of care use this case as an example Donoghue v Stevenson(1932) AC 562,also try to find case for a negligent driving, it has to be British case.
Mention breach of duty, both elements breach in law and breach in fact. An example cases can be given, but they have to be British cases. Mention causation in fact and use this case Barnett v Chelsea and Kensinghton Hospital Management Committee (1969) 1QB 428