What are the rules for prepositions in English grammar?.

A preposition or preposition is a word in grammar. serves to connect words Often in front of nouns, pronouns, or verbs, to show related relationships, for example, to show verb-to-noun relationships such as nouns, verbs and nouns, Verbs and pronouns Pronouns and nouns, or nouns and pronouns.

Rule 1- Prepositions must have an object.Rule 2- Must be placed before.Rule 3- The Pronoun following the Preposition should be an object form.Rule 4- Prepositions form.Rule 5- Do not confuse preposition 'to' with infinitive 'to'Rule 6- A Verb cannot be an object of a preposition.

obama was told in early july 2004 that he was chosen to deliver the address, and he largely wrote the speech himself, with later edits from the kerry presidential campaign.