Unit4 Natural Disasters Discovering Useful Structures课件-2022-2023学年高中英语人教版（2019）必修第一册

Unit 4 Natural Disasters Descovering Useful Structures Listen to the song and fill in the blanks. She is the one ______ you never forget Oh,she must be the reason _____ God made a girl 定语从句： 结构：________＋________＋__________ that why 在复合句中，修饰名词或代词的从句。 antecedent 先行词 relatives 关系词 antecedent 先行词 clause 从句 Step 1 : leading -in 2 Administrator (A) - Find and underline the antecedents先行词, relatives关系词, relative clauses定语从句 in the sentences below. ·The Tangshan earthquake was a terrible experience that my great-grandma cannot forget. antecedent 先行词 relatives 关系词 relative clause 从句 Step 2 : Distinguish BY YUSHEN · The couple who live next to us volunteered to help after the volcano erupted. · The supplies which were provided to the disaster area were collected from around the country. · Mr. Li is an architect whose designs for the new town have won praise. · A doctor with whom James used to work died in the 2016 earthquake in Ecuador. BY YUSHEN Summary why do we use restrictive relative clauses? 为什么要用限制性定语从句? A restrictive relative clause gives us detailed information. It tells us which person or thing we are talking about. 限制性定语从句给我们提供了细节性信息。让我们明确我们所说的是哪些/哪一个人或事。 The sentences above are all called _________________ 限制性定语从句 What if the restrictive relative clause is not used in the sentence? 下面句子如果不用定语从句会是什么样子？什么意思？ The couple who lives next to us volunteered to help after the volcano erupted. · BY YUSHEN Find more sentenses with restrictive relative clauses from the text on page 50. THE NIGHT THE EARTH DIDN'T SLEEP Strange things were happening in the countryside of northeastern Hebei. For several days, the water in the village wells rose and fell, rose and fell. There were deep cracks that appeared in the well walls. At least one well had some smelly gas coming out of it. ...(para 1) At 3:42 a.m., everything began to shake. It seemed as if the world were coming to an end! Eleven kilometers directly below the cit