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 ...

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 ...