2023届高三英语二轮复习：名词性从句 课件-(17张ppt)
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| 名称 | 2023届高三英语二轮复习：名词性从句 课件-(17张ppt) |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2022-09-26 14:47:08 | ||
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(共17张PPT)
名词性从句
Tip 1 引导主语从句的连接词
一、 主语从句
从属连词that、whether、if;连接代词what、who、whom、whose、whatever、whichever、whoever等;连接副词when、where、why、how、whenever等。① they were in truth sisters was clear from the facial similarity between them. 从她们的面貌相似度就能明显地看出她们真是亲姐妹。 (2021·新高考Ⅰ)② comes next is the endless series of steps. 接下来是一系列无休止的步骤。
That
What
(1)that引导主语从句时不省略。
(2)当主语从句位于句首,表示“是否……”时,常用whether引导,而不用if。
特
别
提
醒
Tip 2 it作形式主语的主语从句
主语从句一般在句首,但有时也可用it作形式主语,而将主语从句移到句子的末尾。常见的句型:
(1)It+be+形容词(necessary/likely/important/uncertain等)+that从句(2)It+be+名词(短语)(a pity/no wonder/no surprise等)+that从句(3)It+be+过去分词(said/reported/decided/believed等)+that从句(4)It+不及物动词(seems/appears/happens等)+that从句
(2021·天津)It is found that people who frequent cultural places or participate in artistic events are more likely to gain good health compared to those who do not.研究发现,经常去文化场所或参加艺术活动的人比不去的人更容易获得良好的健康。It is uncertain what side effect the medicine will bring about,although about two thousand patients have taken it. 虽然大约有两千名患者已经服用了这种药,但是它会带来什么样的副作用还不清楚。It's no surprise our team has won the game. 我们队获胜一点都不令人吃惊。 It is decided that the meeting will be put off till next Monday. 会议将被推迟到下周一,这已确定。
that
二、宾语从句
Tip 1 引导宾语从句的连接词
从属连词that、whether、if;连接代词what、who、whose、whatever、whichever、whoever等;连接副词when、where、why、how等。注意:宾语从句用陈述句语序。
(2020·全国Ⅲ)She wondered if centuries of diving could have led to the evolution of physical characteristics that made the task easier for them. 她想知道几个世纪的潜水是否可能已导致身体特征的进化,从而使潜水任务变得更容易。(2021·全国乙)Also, it gives our parents more time to do ① they like and it improves the family relationship.而且,这给了我们的父母更多的时间做他们喜欢做的事情,也改善了家庭关系。
what
I came to believe ② I could do nothing about my weight. 我开始相信我对我的体重无能为力。 In order to make a change, you need to decide why it's important. 为了做出改变,你需要明确为什么它是重要的。
(1)that引导宾语从句时,常被省去,但下列情况下不能省略:①动词后接了多个由that引导的宾语从句时,只有第一个从句中的that可省略,其后的不可省略;②宾语从句前有插入语时。
(2)一般情况下介词后只能用wh-类连接词引导宾语从句。介词后接宾语从句,连接词表示“是否”时,只能用whether,不能用if。
特
别
提
醒
that
Tip 2 it作形式宾语的宾语从句
(1)一些动词后的宾语从句有宾语补足语时,则需要用it作形式宾语,而将that引导的宾语从句后置。常见的这类动词有find、feel、think、consider、believe、guess、suppose、make等。He has made it clear ① the meeting will not be postponed. 他清楚地表明会议不会被推迟。 (2)动词hate、like、dislike、appreciate、enjoy等以及动词短语see to、depend on、rely on等后常用it作形式宾语,而将宾语从句后置。I shall see to it ② he is taken good care of when you are absent. 你不在的时候,我会确保把他照顾好。
that
that
考点三 表语从句
Tip 1 引导表语从句的连接词
从属连词that、whether;连接代词what、who、whose、whatever、whichever、whoever等;连接副词when、where、why、how等。注意:表语从句用陈述句语序。(2020·全国Ⅱ)The good news is that it's simple to learn and can be worth the effort.好消息是,(交流)学习起来很简单,值得付出努力。I'd like to start my own business—that's I'd do if I had the money. 我愿意自己创业——如果我有钱,那就是我将会做的事情。 The reason why he didn't pass the exam was that he was too careless. 他没有通过考试的原因是他太粗心了。
what
if不能引导表语从句;that引导表语从句时也可以省略。
特
别
提
醒
Tip 2 as if/as though引导的表语从句
as if/as though引导的表语从句常跟在be动词、seem、look、taste、sound、feel、appear等之后。The thick smog covered the whole city. It was a great black blanket had been thrown over it. 浓雾笼罩着整座城市,这就好像一块巨大的黑色毯子被扔在城市上方。
as if/as though
Tip 3 because、why引导的表语从句
because、why也可引导表语从句,但because引导表语从句时,主句主语不能是reason或cause(该结构常用that引导)。常用于以下句型:This / That is / was why...这/那是……的原因This / That is / was because...这/那是因为……From space,the earth looks blue. This is about seventy one percent of its surface is covered by water. 从太空中看,地球是蓝色的。这是因为地球表面大约71%被水覆盖着。
because
考点四 同位语从句
同位语从句在句中作某一名词的同位语,位于该名词之后,用来说明该名词的具体内容。常见的后接同位语从句的名词:advice、conclusion、doubt、fact、hope、idea、news、promise、question、suggestion、thought、truth、wish、word等。引导同位语从句的引导词:that、whether、how、where、when、why等。The manager put forward a suggestion that we should have an assistant.There is too much work to do.经理提出一个建议,我们应该有个助手。有太多的工作要做。This should serve as a warning people should be aware of their surroundings, especially when crossing roads. 这应该作为一个警告:人们应该注意他们周围的环境,特别是在过马路的时候。
that
that引导同位语从句和定语从句的区别:that引导定语从句时,that既起引导词的作用,又在从句中充当句子成分;如果在从句中作宾语that可以省略,所修饰的名词指物时可用which替换。引导同位语从句时,that在从句中不充当任何句子成分,而且不能省略。
特
别
提
醒
拔高练习
热点全面检测
1.(2021·新高考Ⅰ) is so breathtaking about the experience is the out-of-this-world scenes. 2.(2021·天津第一次)What puzzles Lily's friends is she always has so many crazy ideas. 3.(2021·北京)The poor woman wasn't able to give him any information about ________ she lived. 4.(2021·新高考Ⅰ)The amazing thing about the spring is the colder the temperature gets, the hotter the spring! 5.(2021·全国乙)One afternoon, while attempting to get into bed she collapsed (倒下) from was eventually discovered to be a heart attack.
What
What
why
where
that
what
What
6.This will help you to decide you really need to read the whole book or only certain parts of it. 7.Well or badly, I wrote at least two pages a day. This is my novel, The Line of the Sun, was finished. 8.Over thousands of years,they began to depend less on could be hunted or gathered from the wild,and more on animals they had raised and crops they had sown. 9.It is not a problem we can win the battle; it's just a matter of time. 10.The student completed this experiment to make come true ________Professor Joseph had said.
whether
how
what
whether
what
Thank you for listeing!
名词性从句
Tip 1 引导主语从句的连接词
一、 主语从句
从属连词that、whether、if;连接代词what、who、whom、whose、whatever、whichever、whoever等;连接副词when、where、why、how、whenever等。① they were in truth sisters was clear from the facial similarity between them. 从她们的面貌相似度就能明显地看出她们真是亲姐妹。 (2021·新高考Ⅰ)② comes next is the endless series of steps. 接下来是一系列无休止的步骤。
That
What
(1)that引导主语从句时不省略。
(2)当主语从句位于句首,表示“是否……”时,常用whether引导,而不用if。
特
别
提
醒
Tip 2 it作形式主语的主语从句
主语从句一般在句首,但有时也可用it作形式主语,而将主语从句移到句子的末尾。常见的句型:
(1)It+be+形容词(necessary/likely/important/uncertain等)+that从句(2)It+be+名词(短语)(a pity/no wonder/no surprise等)+that从句(3)It+be+过去分词(said/reported/decided/believed等)+that从句(4)It+不及物动词(seems/appears/happens等)+that从句
(2021·天津)It is found that people who frequent cultural places or participate in artistic events are more likely to gain good health compared to those who do not.研究发现,经常去文化场所或参加艺术活动的人比不去的人更容易获得良好的健康。It is uncertain what side effect the medicine will bring about,although about two thousand patients have taken it. 虽然大约有两千名患者已经服用了这种药,但是它会带来什么样的副作用还不清楚。It's no surprise our team has won the game. 我们队获胜一点都不令人吃惊。 It is decided that the meeting will be put off till next Monday. 会议将被推迟到下周一,这已确定。
that
二、宾语从句
Tip 1 引导宾语从句的连接词
从属连词that、whether、if;连接代词what、who、whose、whatever、whichever、whoever等;连接副词when、where、why、how等。注意:宾语从句用陈述句语序。
(2020·全国Ⅲ)She wondered if centuries of diving could have led to the evolution of physical characteristics that made the task easier for them. 她想知道几个世纪的潜水是否可能已导致身体特征的进化,从而使潜水任务变得更容易。(2021·全国乙)Also, it gives our parents more time to do ① they like and it improves the family relationship.而且,这给了我们的父母更多的时间做他们喜欢做的事情,也改善了家庭关系。
what
I came to believe ② I could do nothing about my weight. 我开始相信我对我的体重无能为力。 In order to make a change, you need to decide why it's important. 为了做出改变,你需要明确为什么它是重要的。
(1)that引导宾语从句时,常被省去,但下列情况下不能省略:①动词后接了多个由that引导的宾语从句时,只有第一个从句中的that可省略,其后的不可省略;②宾语从句前有插入语时。
(2)一般情况下介词后只能用wh-类连接词引导宾语从句。介词后接宾语从句,连接词表示“是否”时,只能用whether,不能用if。
特
别
提
醒
that
Tip 2 it作形式宾语的宾语从句
(1)一些动词后的宾语从句有宾语补足语时,则需要用it作形式宾语,而将that引导的宾语从句后置。常见的这类动词有find、feel、think、consider、believe、guess、suppose、make等。He has made it clear ① the meeting will not be postponed. 他清楚地表明会议不会被推迟。 (2)动词hate、like、dislike、appreciate、enjoy等以及动词短语see to、depend on、rely on等后常用it作形式宾语,而将宾语从句后置。I shall see to it ② he is taken good care of when you are absent. 你不在的时候,我会确保把他照顾好。
that
that
考点三 表语从句
Tip 1 引导表语从句的连接词
从属连词that、whether;连接代词what、who、whose、whatever、whichever、whoever等;连接副词when、where、why、how等。注意:表语从句用陈述句语序。(2020·全国Ⅱ)The good news is that it's simple to learn and can be worth the effort.好消息是,(交流)学习起来很简单,值得付出努力。I'd like to start my own business—that's I'd do if I had the money. 我愿意自己创业——如果我有钱,那就是我将会做的事情。 The reason why he didn't pass the exam was that he was too careless. 他没有通过考试的原因是他太粗心了。
what
if不能引导表语从句;that引导表语从句时也可以省略。
特
别
提
醒
Tip 2 as if/as though引导的表语从句
as if/as though引导的表语从句常跟在be动词、seem、look、taste、sound、feel、appear等之后。The thick smog covered the whole city. It was a great black blanket had been thrown over it. 浓雾笼罩着整座城市,这就好像一块巨大的黑色毯子被扔在城市上方。
as if/as though
Tip 3 because、why引导的表语从句
because、why也可引导表语从句,但because引导表语从句时,主句主语不能是reason或cause(该结构常用that引导)。常用于以下句型:This / That is / was why...这/那是……的原因This / That is / was because...这/那是因为……From space,the earth looks blue. This is about seventy one percent of its surface is covered by water. 从太空中看,地球是蓝色的。这是因为地球表面大约71%被水覆盖着。
because
考点四 同位语从句
同位语从句在句中作某一名词的同位语,位于该名词之后,用来说明该名词的具体内容。常见的后接同位语从句的名词:advice、conclusion、doubt、fact、hope、idea、news、promise、question、suggestion、thought、truth、wish、word等。引导同位语从句的引导词:that、whether、how、where、when、why等。The manager put forward a suggestion that we should have an assistant.There is too much work to do.经理提出一个建议,我们应该有个助手。有太多的工作要做。This should serve as a warning people should be aware of their surroundings, especially when crossing roads. 这应该作为一个警告:人们应该注意他们周围的环境,特别是在过马路的时候。
that
that引导同位语从句和定语从句的区别:that引导定语从句时,that既起引导词的作用,又在从句中充当句子成分;如果在从句中作宾语that可以省略,所修饰的名词指物时可用which替换。引导同位语从句时,that在从句中不充当任何句子成分,而且不能省略。
特
别
提
醒
拔高练习
热点全面检测
1.(2021·新高考Ⅰ) is so breathtaking about the experience is the out-of-this-world scenes. 2.(2021·天津第一次)What puzzles Lily's friends is she always has so many crazy ideas. 3.(2021·北京)The poor woman wasn't able to give him any information about ________ she lived. 4.(2021·新高考Ⅰ)The amazing thing about the spring is the colder the temperature gets, the hotter the spring! 5.(2021·全国乙)One afternoon, while attempting to get into bed she collapsed (倒下) from was eventually discovered to be a heart attack.
What
What
why
where
that
what
What
6.This will help you to decide you really need to read the whole book or only certain parts of it. 7.Well or badly, I wrote at least two pages a day. This is my novel, The Line of the Sun, was finished. 8.Over thousands of years,they began to depend less on could be hunted or gathered from the wild,and more on animals they had raised and crops they had sown. 9.It is not a problem we can win the battle; it's just a matter of time. 10.The student completed this experiment to make come true ________Professor Joseph had said.
whether
how
what
whether
what
Thank you for listeing!