高三英语一轮复习 【核心考点知识精讲】 名词性从句课件

名词性从句2023届一轮复习定语从句状语从句l主语从句l宾语从句l表语从句l同位语从句基础巩固什么叫名词什么叫名词什么叫名词性从句什么叫名词性从句名词功能名词功能I know the truth.I know that he is writing his composition in his room.表示人或事物的名称的词叫名词。表示人或事物的名称的词叫名词。名词在句中主要作主语、宾语、表语和名词在句中主要作主语、宾语、表语和同位语。另外还可以作定语、状语。同位语。另外还可以作定语、状语。在英语的句子结构中，在英语的句子结构中，本来该由名词充本来该由名词充当的主语、宾语、表语和同位语，由一当的主语、宾语、表语和同位语，由一个句子来充当个句子来充当，这个句子就叫名词性从，这个句子就叫名词性从句。句。名词性从句的分类名词性从句的分类主语从句在句中做主语从句在句中做-宾语从句在句中做宾语从句在句中做-表语从句在句中做表语从句在句中做-同位语从句在句中同位语从句在句中-主语主语宾语宾语表语表语同位语同位语1.That he will come is certain.2.I know that he will come.3.The truth is that I have been there.4.The fact that she was late surprised us.主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句PPT模板下载： dont know if I can do it.2.What he is doing seems very difficult.3.The important thing is how we can improve our studies.4.Mr.Li always thinks of how he can do more for the people.5.Thats what you are going to do first.6.I was surprised at what he said.主语从句主语从句宾语从句宾语从句表语从句表语从句表语从句表语从句宾语从句宾语从句宾语从句宾语从句均为陈述语序均为陈述语序均为陈述语序均为陈述语序123that（无含义，不作成分）whether/if（“是否”，不作成份）连接词（有含义，充当成分）名词性从句引导词名词性从句引导词if if if if只引导宾语从句和后置的主语从句只引导宾语从句和后置的主语从句只引导宾语从句和后置的主语从句只引导宾语从句和后置的主语从句l l l l连接代词（主宾表定）连接代词（主宾表定）连接代词（主宾表定）连接代词（主宾表定）l l l l连接副词（状语）连接副词（状语）连接副词（状语）连接副词（状语）thatthatthatthat除引导宾从可以省除引导宾从可以省除引导宾从可以省除引导宾从可以省略，其余均不可省略略，其余均不可省略略，其余均不可省略略，其余均不可省略连接代词连接代词&连接副词连接副词连接副词（连接副词（7个）：个）：when、why、where、how、whenever、wherever、however连接词连接词连接代词连接代词（9个）：个）：who、whom、what、which、whose、whoever、whomever、whatever、whichever名词性从句引导词名词性从句引导词1 breaks school rules will be punished.2After five months hard work,they got _ they had dreamed of.3Father made a promise _ if I passed the exam he would buy me a bike.4It was true _ what she did delighted every one of us.Whoeverwhatthatthat小试牛刀小试牛刀名词性从句引导词名词性从句引导词5It doesnt matter _ you pay by cash or credit card in this store.6_ you can succeed in the end will mainly depend on _ you do and _ you do it.7_ and _ the wedding ceremony will be held hasnt been decided yet.whetherWhetherwhathowWhen小试牛刀小试牛刀where知识探究引导词位置主谓一致主语主语主语主语从句从句从句从句011That he hasnt been doing his best recently is obvious to us all.2Whether he will come here is not easy to say.3._ is more practice.（我们所需要的）4._ is under discussion.(会议将什么时候开始)What we needWhen we will begin the meeting主语从句（引导词）主语在句首，主语从句一般在句首How Egyptians moved huge stones and built the pyramids remains a secret.主语从句（位置）后置It It It Itremains a secrethow Egyptians moved huge how Egyptians moved huge how Egyptians moved huge how Egyptians moved huge stones and built the pyramids.stones and built the pyramids.stones and built the pyramids.stones and built the pyramids.固定句型主语从句（位置）1._ is probable that he told her everything.2.It is uncertain _side effect the medicine will bring about,although about two thousand patients have taken it.3.It is no surprise _ our team has won the game.There is no wonder that our team has won the game.4.It is _(decide)that the meeting has been put off till next Monday.Itwhatthatdecided 1.It+be+adj.+从句（necessary,likely,clear,important,right,certain.)3.It+be+过去分词+从句（said,believed,reported,thought,known,expected,decided,announced.)It2.It+be+n./np+从句（a shame,a pity,no wonder,good news,no surprise.)主语从句（位置）It doesnt matter _you pay by cash or credit card in this store.It never occurred to me _ she could complete the task in such a short time._ appears _the report must be true.A.That;it B.It,that;C.It;it D.That;thatwhetherthat 4.It+特殊动词/动词短语（不及物动词）不及物动词）+从句（seem,appear,happen,matter,turn out,occur.)B主语从句（主谓一致）That he won the competition _(spread)all over the school.What he said _ false.What I want to know _ the truth.What he needs _ friends.spreadsisisare名词性从句作主语时，谓语动词常用单数。但what引导主语从句时，若表语为单数名词或不可数名词，则谓语动词用单数；若表语为可数名词复数，则谓语动词常用复数。主语从句（主谓一致）Where the man will be and what achievement the man will gain (be)unsure.When and where the wedding ceremony will be held （have）not been decided yet.arehas名词性从句作主语时，谓语动词常用单数。但要特别注意“and”这个并列连词，如果连接两个并列的主语从句，谓语动词用复数，如果连接的是同一件事的不同方面则用单数。引导词动宾&介宾&真宾时态宾语宾语宾语宾语从句从句从句从句02thatthatthatthatwhetherwhetherwhetherwhether/if/if/if/if02宾语从句（引导词）宾语从句：that的省略The doctor told me(that)I should take more water and that things would get better very soon.注意：一般说来引导宾语从句的注意：一般说来引导宾语从句的注意：一般说来引导宾语从句的注意：一般说来引导宾语从句的thatthatthatthat可以省略。如果可以省略。如果可以省略。如果可以省略。如果有多个有多个有多个有多个thatthatthatthat引导的宾语从句，第一个引导的宾语从句，第一个引导的宾语从句，第一个引导的宾语从句，第一个thatthatthatthat可以省略，其可以省略，其可以省略，其可以省略，其他一般不省略。他一般不省略。他一般不省略。他一般不省略。02宾语从句（引导词）宾语从句：whether&if 宾语从句置于句首。Whether they will join in the picnic，I dont care.宾语从句位于介词后。We are talking about whether we can get the chance.02宾语从句（引导词）宾语从句：whether&if与or not连用时。He doesnt know whether they will plant trees on Saturday or not.与不定式连用。I dont know whether to go there.02宾语从句（引导词）宾语从句：whether&if当使用if容易产生歧义时。Could you tell me if you know the answer?注意：当宾语从句为否定句时，只能用if。He asked me if I hadnt help his brother.02宾语从句（引导词）宾语从句：doubt 后的宾从1.I doubt _he is telling the truth.2.We never doubt _ the plan will be carried out.3.Does he doubt _ you are from Austria?4.Im doubtful _ he will agree to this.if/whether that that if/whether 肯定句中用肯定