ESOL Ws/L2.4a
Use a range of punctuation to achieve clarity in simple and complex sentences
(i) Use the full range of punctuation marks effectively, including: commas for listing items in connected prose, between clauses in complex sentences, and after connectives like however; apostrophes for possession and omission; inverted commas for direct speech and to indicate a quotation
(ii) Understand the effect on style of using full or contracted forms