Editing English grammar (section)

===Declension===
{{Further|Declension}}
Nouns have distinct singular and plural forms; that is, they ''decline'' to reflect their [[grammatical number]]; consider the difference between ''book'' and ''books''. In addition, a few English pronouns have distinct [[nominative case|nominative]] (also called [[nominative case#Subjective|subjective]]) and [[oblique case|oblique]] (or objective) forms; that is, they decline to reflect their relationship to a [[verb]] or [[preposition]], or [[grammatical case|case]]. Consider the difference between ''he'' (subjective) and ''him'' (objective), as in "He saw it" and "It saw him"; similarly, consider ''[[Who (pronoun)|who]]'', which is subjective, and the objective ''whom''. Further, these pronouns and a few others have distinct [[grammatical possession|possessive]] forms, such as ''his'' and ''whose''. By contrast, nouns have no distinct nominative and objective forms, the two being merged into a single ''plain case''. For example, ''chair'' does not change form between "the chair is here" (subject) and "I saw the chair" (direct object). Possession is shown by the [[clitic]] ''-'s'' attached to a possessive [[noun phrase]], rather than by declension of the noun itself.<ref>[[James Clackson]] (2007) [https://books.google.com/books?id=DJDjNp6wODoC&pg=PA90 ''Indo-European linguistics: an introduction''], p.90</ref>