名词性从句 (完整版教案)

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【学习目标】

1.熟记四类名词性从句的位置、结构、功能，快速识别从句类型。

2.精准掌握that/what/whether  等连词高考必考用法。

3.突破重难点：同位语从句 vs 定语从句辨析。

4.会用名词性从句进行翻译表达。

【重点难点】

重点：连接词选用、四类从句识别。

难点：同位语从句与定语从句区分。

【导学流程】

知识链接：

1.The steady progress in his academic performance has astonished his instructors.（划线作____）

2. Whether he can stick to the tough training schedule remains unknown to us all.（划线作____,是____从句）

3.Many teenagers appreciate the freedom to arrange their spare time.（划线作____）

4.Most of us doubt whether the policy will bring positive changes.（划线作___，是_____从句）

5.The biggest challenge is a lack of effective communication.（划线作____）

6.The bitter truth is that mere efforts cannot guarantee immediate success.（划线作____，是_______从句）

7.The man, an experienced geologist, predicted the sudden change of the climate.（划线作____）

8.The assumption that talent matters more than hard work is widely mistaken.（划线作_____,是_____从句）

定义与分类：名词性从句，顾名思义，在从句中充当一个_______。故而，根据从句在句子中所作成分，可将名词性从句分为_______________、_____________、_______________、_________________四类。

自主学习：

Task1: 

考点一主语从句

1．that引导主语从句时，在从句中不作任何成分，也没有词汇意义，但一般不可省略。

___________ the earth goes around the sun is known to us all.

众所周知，地球围着太阳转。

2．that引导主语从句时可用it作形式主语，that不可省略。常见句型主要有以下几种：

(1)It＋be＋形容词(necessary，right，likely，unlikely，wrong，important，certain，clear，obvious，strange，normal等)＋that从句

_________________________________I should accept such an offer as that.我不可能接受像那样的帮助。

(2)It＋be＋名词(短语)(a pity，a shame，good news，a fact，an honour，a wonder，no wonder等)＋that从句

_____________________________ he didn't want to go.难怪他不想去。

(3)It＋be＋动词-ed形式(said，told，heard，reported，decided，suggested，advised，ordered，remembered，thought，considered，well-known，announced等)＋that从句

_________________________the meeting has been put off until next Monday.

会议被推迟到下周一已经定下来了。

(4)It＋不及物动词/短语(seem，appear，happen，matter，turn out，occur to，make no difference等)＋that从句

_____________________you could succeed in persuading him to change his mind.

我从来没想到你会成功地说服他改变主意。

3．whether引导的主语从句：主语从句表示“是否”。

_____it will do us harm or good remains to be seen.它究竟是对我们有害还是有利，还有待观察。

It's uncertain _______ he'll come this evening.他今天晚上是否会来还不确定。

4．wh-类连接词引导的主语从句

wh-类连接词包括连接代词(who，whom，whose，what，whoever，whomever，whatever等)和连接副词(when，where，why，how，whenever，wherever，however等)。

_______________she offers to her classmates is honesty and happiness.她展现给她的同学们的是诚实和快乐。

[名师点津]what在名词性从句中可作主语、宾语或表语；而that在从句中不作任何成分。

考点二宾语从句

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；从句用陈述语序。

I truly believe__________ beauty comes from within.我确信美来自内在。

We promise ___________ attends the party a chance to have a photo taken with the movie star.

我们许诺，任何参加这个聚会的人都有跟那个电影明星合影的机会。

What we should take with us depends on_________ we'll stay.

我们需要随身带什么东西，取决于我们将在什么地方停留。

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 ____________________________________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等表示“喜欢”“厌恶”等的动词以及一些动词短语see to（负责），depend on，rely on等，常用it作形式宾语，而将宾语从句后置。

I shall _______________he will be taken good care of when you are absent.

你不在的时候，我会确保把他照顾好。

[名师点津](1)及物动词之后if/whether都可以引导宾语从句，介词后的宾语从句要用whether。

(2)连接代词和连接副词引导宾语从句时既充当句子成分又有具体词义，且不可省略。

考点三　表语从句

表语从句位于连系动词后，表语从句除可用that，whether, what，when，why，how等引导外，还可由because，as if(though)等引导。that 引导表语从句，无词义，只起连接作用，不可省略。

You are saying that everyone should be equal，and this is_________ I agree.

你在说人人应该平等，这是我赞同的。

No changes have taken place in the village.It remains ___________it used to be.

这个村子一直未发生变化，它仍是过去的样子。

[名师点津](1)as if/as though引导的表语从句

as if/as though意为“好像，仿佛”，引导的表语从句常跟在系动词(be动词，seem，appear，look，taste，sound，feel，smell等)之后。若表语从句所述的是非真实的情况，从句用虚拟语气；若所述的是事实或是极可能发生的情况，从句用陈述语气。

The thick smog covered the whole city.It was _____ a great black blanket had been thrown over it.

厚重的烟雾覆盖着整座城市，好像把一床厚厚的黑色的毯子扔到了它的上面。

(2)because/why引导的表语从句

①This/That/It is why＋表语从句(表结果)“这/那就是……的原因”

②This/That/It is because＋表语从句(表原因)“这/那是因为……”

③The reason why...is that＋表语从句“……的原因是……”

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。这是因为地球表面约百分之七十一都被水覆盖着。

He didn't work hard.That's _____he was fired.他没有努力工作。那就是他被解雇的原因。

The reason why he missed classes was ___ he was ill in hospital.他缺课的原因是他生病住院了。

考点四　同位语从句

1．同位语从句用于对前面出现的名词作进一步说明，通常用that引导，that无词义也不作成分，但是不能省略，从句用陈述语序。同位语从句还可用whether，when，where，why，how等引导。

2．接同位语从句的常见名词有fact，news，idea，truth，hope，problem，information，belief，thought，doubt，promise，question，evidence，word(消息)等。

I made a promise to myself ________ this year，my first year in high school，would be different.

我对自己做出承诺：今年——我上高中的第一年——将会与以往不同。

The fact has worried many scientists ______the earth is becoming warmer and warmer these years.

这些年地球正在变得越来越暖和这一事实令许多科学家担忧。

Task2: 规律总结并完成表格

Task3 单句语法填空

1．(2020·江苏卷)It is not a problem ______ we can win the battle；it's just a matter of time.

4．The father and his son got lost in the mountain and they had to eat ______food they could find there.

3．He did not see the film last night.That is _________he had to help his little sister with her homework.

4．Word came ________the students would put off the outing until next week，when they wouldn't be busy.

5．What puzzles Lily's friends is _______she always has so many crazy ideas.

6．I have sent Miss Green an invitation to our party，but I don't have the slightest idea ______she will accept it.

7．(2024·辽宁六校模拟)Ever wonder______ it would feel like to hide away in a dark cave without being connected to the outside world for 40 days? Fifteen people in France just did that.

8．Some people have expressed skepticism because it is unbelievable ______she looks so perfect after a long day of work in the fields.

Task4 翻译句子

1.任何目睹过这一幕的人，都很难相信它有多么残酷。（主语从句+宾语从句）

_____________________________________________

2.让科学家困惑不解的是，为什么这些生物可以在如此极端的环境下存活。(it作形式主语）

_____________________________________________

3.我们认为，课堂上学到的知识应当和社会实践相结合。（同位语从句+主语从句）

_____________________________________________

4.我的建议是，我们每周都应当留出时间反思自身的错误。(表语从句，虚拟语气）

_____________________________________________