Examples of Complex Prepositions in Sentences Up until Pearl Harbor half of the 48 states had laws making it illegal to employ a married woman Bill Bryson The Life and Times of the Thunderbolt KidBroadway Books 2006 Her name is Miss Mey. Weve been working since this morning. Pin By Sue Barnes On Grammar Prepositional Phrases Complex Sentences Phrase In Year 1 children are expected to write sentences with two clauses joined by the word and In Year 2 children start learning about subordination and coordination and need to start using a main clause and subordinate clause a complex sentence joined by when if that or because In Years 3 to 6 children are expected to continue to use a range of simple compound and complex. What are complex prepositions . Only complex sentences and complex-compound sentences have them. She was not very good at it. In informal spoken English this is fine. It is also fine in spoken English to end the clause with the preposition. 5 Examples of Compoun