Unit 4 Natural disasters Discovering useful Structures 限制性定语从句（ppt课件+视频）-新人教版（2019）《高中英语》必修第一册.zip

Unit 4 Natural Disasters Natural Disasters Natural Disasters Natural DisastersDiscovering useful structuresDiscovering useful structuresDiscovering useful structuresDiscovering useful structuresPresentation.I am a teacher who comes from Yunnan province.Presentation.I am a teacher who is outgoing and friendlyPresentation.I like movies which make me laugh.Presentation.I like books which are interesting and meaningful.Find out the rules and introduce yourselfnouns(名名词）relative clauses(定定语从句）从句）I am a teacher comes from Yunnan Province.I am a teacher is outgoing and friendly.I like movies makes me laugh.I like books are interesting and meaningful.1.We use the relative clauses to describe the .2.We use clauses with who to describe .3.We use clauses with which to describe .nounssomebodysomethingIm Bear Brown who has a lots of friends.antecedent(先行词先行词)relative pronouns(关系代词关系代词)Restrictive relative clauses(定语从句定语从句)which,who,whom,whose,thatLearning:What is an attributive clause?Im Bear Brown.Bear Brown has a lot of friends.分解用who代替，作主语Do you know the man that/who spoke just now?Do you know the man?He spoke just now.（that/who).I have read the newspaper that/which carries the important news.I showed him the letter that/which I received this morning.I have read the newspaper.It carries the important news.（that/which).I showed him the letter.I received it this morning.（that/which).将下列句子改成一句话将下列句子改成一句话Thinking:How to choose relative pronouns?(Group work)antecedent(先行先行词）从句中成分从句中成分thatwhichwhowhomwhose1.There were deep cracks that appeared in the well walls.2.The number of people that were killed or badly injured in the quake was more than 400,000.3.I like the protection suit(which)you bought yesterday.4.The supplies which were provided to the disaster area were collected from around the country.5.Two thirds of the people who lived there were dead or injured.6.The woman(who)they wanted to visit is a firefighter.7.The doctor(whom)James used to work with died in the 2016 earthquakein Ecuador.8.Workers built shelters for survivors whose homes had been destroyed.9.Can you lend me the book whose cover is green?Thinking Underline the RRC and summarize the rules1.There were deep cracks that appeared in the well walls.2.The number of people that were killed or badly injured in the quake was more than 400,000.3.I like the protection suit(which)you bought yesterday.4.The supplies which were provided to the disaster area were collected from around the country.5.Two thirds of the people who lived there were dead or injured.6.The woman(who)they wanted to visit is a firefighter.7.The doctor(whom)James used to work with died in the 2016 earthquake in Ecuador.8.Workers built shelters for survivors whose homes had been destroyed.9.Can you lend me the book whose cover is green?Thinking Underline the RRC and summarize the rules1.There were deep cracks that appeared in the well walls.(S)2.The number of people that were killed or badly injured in the quake was more than 400,000.(S)3.I like the protection suit(which)you bought yesterday.(O)4.The supplies which were provided to the disaster area were collected from around the country.(S)5.Two thirds of the people who lived there were dead or injured.(S)6.The woman(who)they wanted to visit is a firefighter.(O)7.The doctor(whom)James used to work with died in the 2016 earthquakein Ecuador.(O)8.Workers built shelters for survivors whose homes had been destroyed.(A)9.Can you lend me the book whose cover is green?(A)Thinking Underline the RRC and summarize the rulesThinking:How to choose relative pronouns?(Group work)antecedent(先行先行词）从句中成分从句中成分thatwhichwhowhomwhoseperson/thingsS/OthingS/OpersonS/Opersonperson/thingsOAThinking A difficult point-whoseWorkers built shelters for survivors whose homes had been destroyed.先行词和从句中主语名词构成所属关系（谁的）时用whose作定语The Workers built shelters for survivors.The survivors homes had been destroyed.Ex:They live in a house windows face south.I have a friend parents are teachers.whosewhoseHow to choose a relative pronouns in a relative clause?如何在定语从句中选择关系代词？1.find out the antecedent to see what does it refer to,person or thing?找出先行词，并判断其指人还是物2.underline the relative clause.划出定语从句 3.analysis the antecedents function as O?S?A?in the clause 分析先行词在从句中的成分是宾语？主语？还是定语 The girl is dancing is my sister先行词指人先行词指人定语从句定语从句who/thatPractice makes perfect1.Here are some of the people_homes were destroyed by the typhoon.2.The terrible shaking of the building woke up the people_were asleep.3.The earthquake _ people thought little of,actually caused a lot of damage.4.Several days later,most of the buildings _ had been damaged by the hurricane were repaired.5.The children_parents could not be found were looked after by neighbors and friends.6.He is the person_we miss so much.7.A disaster is a very bad accident or a sudden event _usually causes great damage and can ruin many peoples lives.8.The woman wanted to find and thank the furefighter_rescued her from fire.that/whichwhosethat/whothat/which/省注：注：Introducers function as objects in the RRC can be left out.作作宾语的引的引导词可省略可省略whosethat/who/whom/省that/whichthat/who请在此处添加标题请在此处添加副标题请在此处添加标题请在此处添加副标题请在此处添加标题请在此处添加副标题Applying to a passageAdd more information by using the RRC.(Pair work)Tornadoes are strong winds(What kind of winds are they?).It is not easy to know where they will go,so it can be difficult to warn people(Who should be warned?).In order to learn more about how tornadoes form and move,some brave researchers(What is their job?)do what most of us would not.They chase storms in order to collect more detailed information first hand.Of course,the researchers have special equipment(What kind of equipment?),but they need to get close enough to use it and still keep safe from the danger.Applying to a passageWatch a video that may help youTornadoes are strong winds that can rapidly rotate air/that can happen on everycontinent except Antarctica/that can cause great damage.It is not easy to knowwhere they will go,so it can be difficult to warn people who may be affected.In orderto learn more about how tornadoes form and move,some brave researchers whose jobis to explore the causes of tornadoes/whose job is to study tornadoes do what most ofus would not.They chase storms in order to collect more detailed information firsthand.Of course,the researchers have special equipment which can record detailedinformation,but they need to get close enough to use it and still keep safe from thedanger.Applying to a passage possible answers：请在此处添加标题请在此处添加文本