高二英语人教版必修五第一单元语法讲解+答案

Book5 Unit1 Great Scientists 语法：过去分词作定语和表语 Step1：Lead-in 寻规找矩：请找出下面句子中的分词， 并说出分别充当什么成分。 1. He became interested in two theories that possibly explained how cholera killed people. 2. He became inspired when he thought about helping ordinary people exposed to cholera. 3. From the stomach the disease attacked the body quickly and soon the affected person died. 4. It came from the river polluted by the dirty water from London. 5. He told the astonished people in Broad Street to remove the handle from the water pump so that it could not be used. 6. The water companies were instructed not to expose people to polluted water any more. 7. So many thousands of terrified people died every time there was an outbreak. 整理： 污染了的水__ _ 患者 ___ 惊慌失措的人们__ _ 受霍乱影响的人们__ _ 被脏水污染了的河流__ _ 恐惧的人们__ _ Step2: 过去分词作定语(相当于一个定语从句) 一、过去分词作定语的位置 ① 单个的过去分词作定语，常置于被修饰词前。 the broken clock 坏了的钟表 (=the clock which was broken) the stolen backpack 被偷走的背包（the back pack which has been stolen） ②过去分词短语作定语，常置于被修饰词后。 Most of t