... with plural forms that don’t end with ‘s’. For example: Children’s teeth …81t h e A p o s t r o p h eAIn spoken language, to avoid ambiguity, we can fall back on the longer form. For example:‘The ... Jones’ MercedesAvoiding confusionThe apostrophe is traditionally used for clarity in abbreviations and other forms. For example: The MSc’s were awarded next. There are two s’s in ‘grass’.11.1 ... the comma separates groups of words.Before learning about commas, students should:• know the form of simple sentences• know the correct punctuation for kinds of sentences• have the ability...