Prepositions are short words and phrases that give information about place, time and manner, eg: 'on', 'under', 'near', 'below', 'by', 'at', 'in'. You can join sentences, clauses and phrases together ...
The preceding chapter showed how sentences can be streamlined by reducing their adjective clauses to adjective phrases — a simple process that omits the relative pronouns “that,” “which,” “who,” “whom ...
A phrase is a group of two or more words that does not contain a subject and a verb working together. There are many types of phrases, including verb phrases, adverb phrases, and adjective phrases.