2026年人教版中考英语一轮复习定语从句课件

这是一份2026年人教版中考英语一轮复习定语从句课件，共30页。
定语从句授课：希希1.He is an honest boy.2.We love our country.3.Where is your bag?4.I have something to do .定语：修饰 限定名词或代词What is 定语？Pre-attributive（前置定语） Post-attributive（后置定语） a beautiful girla colorful worldan exciting gamea girl receiving the letterthe boy under the treethe book recommended by the teacher单个形容词短语短长What is定语从句？Do you know the boy? He is playing the guitar.Do you know the boy who is playing the guitar.Last week Mary wore the dress. I give it to her.Last week Mary wore the dress which I give to her.What is定语从句？I have a friend who is visiting the Great Wall now.She is helping the boy who was buried in the earthquake.He went to the gym where he was used to exercise.先行词（名词或代词）+关系词+从句（定语从句）从句起定语作用，可以用来修饰主句的名词或代词先行词关系词定语从句Mary is a girl who has long hair.关系代词which, that, whose, who, whom, as 关 系 词 的 作 用A. 引导定语从句 B.替代先行词C.在定语从句中作成分关系副词when, where,why如何做题？“五步法完成定语从句关系词选择”：①找先行词，看是人还是物 ②找从句（从句从横线开始到第二个谓语动词之前结束）③分析从句成分 ④先行词放入从句中 ⑤选择对应关系代词1. 关系代词的选择that1.This is the suitcase that she is looking for.2.The dress that is black is lost.that可以指 ,在定语从句中常作___________。作宾语时可省略。主语或宾语物1. He has a good quality which contributes to his development.2. She bought a special gift which she decided to give to her friend. which指___, 在定语从句作___________ 。作宾语时可省略。物主语或宾语1. 关系代词的选择which1. Sam who is addicted to playing games hasn't completed his work.2. The boy who I talked with just now is extremely hardworking. who指_____，在定语从句中作___________，作宾语时可省略。人主语或宾语who1. 关系代词的选择1. The boy whom I talked with just now is extremely hardworking. 2. The assistants who I have are very careful and responsible.whom指____,作_____,可省略。作宾语时，可与who互换。人宾语whom1. 关系代词的选择1. The store whose design is very unique attracts many customers. 2. The little baby whose smile is sweet is very popular. whose 通常指____，也可指____，在定语从句中作定语，表示所属关系，不可省略。人物1. 关系代词的选择whose 三，定语从句判定练习 1.This is the bag that my mother bought yesterday. 2. The man who lives next to us is my English teacher. 3. The girl who you saw in the street is Mary. 4.This is the factory which the students visited yesterday. 通过上面的练习，同学们是否能够总结出定语从句划分与判定的方法呢？从句划分方法：从关系词开始，到第二个谓语动词之前结束，若只有一个谓语动词，到句末结束。 1) The plane is a machine _______________can fly.2) The fish ________________ he bought this morning is fresh.3) The boy ______________ is handsome is my student. 4) The room ______________ window faces south is mine.5) I know the girl _______________ mother is a teacher.6). He is the lawyer ___________________ I met yesterday. that/which/省略whosethat/whichthat/whowhosewho/whom/省略There will be moments in life when you are presented with new opinions.人生中总会有面对新选择的时刻。when 通常指____，在定语从句中作状语，不可省略。时间2. 关系副词的选择whenwhen表示时间，只能跟在表时间的名词后。相当于on/in/at which。（大部分情况下是on which）I found mother cooking for me when I got home. I will never forget the time when I spent my childhood in the country. 判断下面哪个是定语从句？第一个是时间状语从句，第二个是定语从句。The dictionary is the only place where success comes before work.只有在字典中，成功才先于工作。where 通常指____，在定语从句中作状语，不可省略。地点2. 关系副词的选择where补充：当先行词为stage，situation，case，point等表示抽象地点名词，且定从缺状语时候，用where或in which引导。They have now reached the stage where they have to seperate with each other.他们如今已经到了不得不分手的阶段。where表示地点，只能跟在表地点的名词后。相当于in/at which。 （大部分情况下是in which）He returned to the small town where he was born.They will go where they are happy.判断下面哪个是定语从句？第一个是定语从句，第二个是地点状语从句。Unsuccessful people can always find reasons why they are not doing well.不成功的人总能找到自己表现不好的理由。why 通常指____，在定语从句中作状语，不可省略。原因2. 关系副词的选择whywhy表示原因，只能跟在表原因的名词后，通常是reason一个词。相当于for which。 I don’t know the reason for which he said these words.We stayed at home for it was raining outside just now.判断下面哪个是定语从句？第一个是定语从句，第二个是原因状语从句。(1)I am looking forward to the day my uncle comes back.(2)Today, we live in a world technology influences every aspect of our lives.(3)I still remember the childhood I lived happily in a small town.(4)Sichuan is the place I was born.(5)This is the reason I refused his help.whenwherewhenwherewhy只用that,不用which的情况：1.当先行词被序数词或形容词最高级修饰时；This is the most delicious food _____ I have ever eaten.2. 当先行词是all, much, little, few, everything, anything等不定代词时；Tell me everything _______ you know.3. 当先行词被the only, the last, the very等修饰时；The only thing _____ you can do is to be careful next time.4. 当先行词既包含人，又包含物时；Sometimes, we should ignore the people and things _____ upset us.关系代词的选择（特殊情况）thatthatthatthat5. 当主句是以which, who, what开头的特殊疑问句时；Which of the book ______ are on the desk belongs to your elder sister?that只用which，不用that的情况：1.引导非限定性定语从句(人: who; 物: which)；Football, _______ is an interesting game, is popular around the world.2. 当关系词前面有介词时(人: whom; 物: which)；This is the house in _____ Mr. Wu once lived. You should make eye contact with the person to ______ you’re talking.whichwhichwhomThis is the first book ______ I have read about space exploration.解析：先行词被序数词 first 修饰，只能用 that。She is the most careful student ______ our teacher has ever taught.解析：先行词被最高级 most careful 修饰，只能用 that。All the photos ______ we took in the park yesterday are missing.解析：先行词含 all，只能用 that。This is the only song ______ can make me calm down when I’m angry.解析：先行词含 only，只能用 that。We talked about the people and places ______ we saw during our trip to Yunnan.解析：先行词 the people and places 既指人又指物，只能用 that。Who is the boy ______ is talking to our English teacher at the door?解析：主句以 who 开头，定语从句中关系代词只能用 that（避免重复 who）。My new laptop, ______ I bought last month, works very smoothly.解析：非限制性定语从句，只能用 which。This is the city ______ I was born in.解析：关系代词在介词 in 后（可还原为 I was born in the city），只能用 which（也可省略，但此处需填关系代词，故用 which）。He passed the final exam, ______ surprised all his classmates.解析：先行词是逗号前的整个句子，只能用 which。关系代词as常见的固定表达：As we all know:________________As is well known:___________________As we expect:________________As is often the case:______________As we can all see:_______________________众所周知众所周知正如我们预料的那样像常规那样正如我们都能看到的那样 is known to us all, doing exercise regularly is good for our health.Asas引导定从放句首，通常有逗号隔开介词后which/whomThe problem about they talk has not been solved.Tom with Intern plays is not over there.Note:先行词是物，介词后填which先行词是人，介词后填whomwhichwhomThanks