【暑假衔接】人教版新高二英语 暑假衔接讲义 第05讲 Unit5 语法 名词性从句之主语从句（选择性必修一）（教师版+学生版）

这是一份【暑假衔接】人教版新高二英语 暑假衔接讲义 第05讲 Unit5 语法 名词性从句之主语从句（选择性必修一）（教师版+学生版），文件包含暑假衔接人教版新高二英语暑假衔接讲义第05讲Unit5语法名词性从句之主语从句选择性必修一教师版docx、暑假衔接人教版新高二英语暑假衔接讲义第05讲Unit5语法名词性从句之主语从句选择性必修一学生版docx等2份学案配套教学资源，其中学案共22页， 欢迎下载使用。

1．了解主语从句的概念和用法。
2．可以根据本节课的内容来完成一些习题。
关于各种从句，有一个浅显易懂的规律：它在句子里面是什么成分，就是什么从句。比如：
▼ 定语从句：作定语的从句
I have a dg that is very cute. 我有一只可爱的狗
主语 谓语 宾语 定语从句（句中做定语，限定修饰前面的名词dg）
▼ 宾语从句：作宾语的从句，放在动词或介词后面
I think the dg is very cute. 我觉得这个狗很可爱
主语 谓语 宾语从句（句中做think的宾语）
▼ 状语从句：作状语的从句
I bught a dg because it’s very cute. 我买了一只狗，因为它很可爱
主语 谓语 宾语 状语语从句（句中做状语，表原因）
那么，主语从句是？聪明的人都能看出来——作主语的呗
主语从句结构及用法
在句子中担当主语的从句就叫做主语从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。通常结构为“引导词 + 主语 + 谓语 + 其他成分"。
一. 概念：在句子中担当主语的从句就叫做主语从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。
主语从句使用陈述语序，其通常结构为“引导词 + 主语 + 谓语 + 其他成分", 但当连接代词同时充当从句主语时，其结构为“连接代词 + 谓语 + 其他成分”。
二. 引导词：
引导主语从句的词有连词：that, whether, if；连接代词：what, whatever, wh, whever, whm, whmever, whse, which, whichever；连接副词：when, whenever, where, wherever, hw, hwever, why。
1. 连词that, whether, if引导的主语从句
that在主语从句中不作成分，没有意思，不能省略；whether和if虽不作句子的成分，但有“是否”的意思，且if引导的主语从句不能位于句首。
That she is still alive is a cnslatin. 她还活着是使人感到宽慰的。
That she became an artist may have been due t her father's influence. 她成为画家可能是受她父亲的影响。
Whether it will d us harm remains t be seen. 是否对我们有害还要看一看。
Whether they wuld supprt us was a prblem. 他们是否会支持我们还是一个问题。
2. 连接代词what, whatever, wh, whever, which, whichever引导的主语从句
what, whatever, wh, whever, whm, whmever, whse, which, whichever在主语从句中起代词的作用，可以作主语、宾语、表语或定语，有具体的意思且不能省略。
What surprised us was that he passed the driving test.使我们感到惊奇的是他通过了驾驶考试。
Whatever I have is yurs. 我所拥有的一切都是你的。
Wh will g is nt imprtant. 谁将去是不重要的。
Whever is here gets a prize. 不管谁来，都能获奖。
Which team will win the match is still unknwn. 哪个队将赢得比赛还不知道。
Whichever yu chse is OK. 不论你选哪一个都行。
3. 连接副词when, whenever, where, wherever, hw, hwever, why引导的主语从句
when, whenever, where, wherever, hw, hwever, why在主语从句中起副词的作用，作状语，有具体的意思且不能省略。
When we arrive desn't matter. 什么时候到没有关系。
Whenever yu cme is OK. 你无论何时来都行。
Where I spend my summer is n business f yurs. 我在哪里过暑假不关你的事。
Wherever she wants t g is nt allwed. 无论她想要去哪儿都是不被允许的。
Hw it was dne was a mystery. 这是怎样做的是一个谜。
Hwever late yu cme desn’t matter. 无论你来的有多晚都没关系。
Why he did it wasn’t quite clear. 他为什么做那件事是不清楚的。
4. 用it作形式主语的主语从句
如果主语从句太长，为了避免句子结构头重脚轻，我们可以用it作形式主语，而把主语从句放在主句谓语部分之后。常见的结构有：
①It+is+形容词+that…，常见的形容词有knwn, clear, necessary, likely, unlikely, right, wrng, imprtant, certain, bvius, strange, natural等。
That the earth turns arund the sun is knwn t us all.
→It is knwn t us all that the earth turns arund the sun.地球绕着太阳转这一点是众所周知的。
Whether he will cme r nt is nt clear.
→It is nt clear whether /if he will cme r nt. 他是否要来还不清楚。
②It+is+名词+that…，常见的名词有a pity, a shame, a fact, an hnur, a mystery, a wnder, n wnder, gd news, cmmn knwledge等。
It is a pity that he didn’t pass the exam. 他没有通过考试真遗憾。
It is a wnder that he survived the crash. 他从坠机事件中幸存下来真是个奇迹。
It is n wnder that he has achieved s much success. 难怪他取得如此大的成功。
③It+is+动词过去分词+that…，常见的过去分词有said, believed, reprted, pinted ut, hped, thught, decided, rdered等。
It is said that he is a famus writer. 据说他是位著名的作家。
It is reprted that there will be a strm this afternn. 据报道今天下午有暴风雨。
④It+特殊动词+that…，常见的特殊动词有seem, appear, happen, matter, turn ut, ccur t, make a difference等。
It seems that it is ging t rain. 天看起来要下雨了。
It happened that I didn’t take any mney with me. 碰巧我身上没带钱。
It ccurred t me that I didn’t clse the windw. 我突然想起我没有关窗户。
⑤It+使令性动词+sb.+that...，常见的动词有wrry, shck, surprise, satisfy, upset等。
It upset him a lt that he was fired. 他被解雇了使他很难过。
It surprised me that she brught up three children n her wn.她独自抚养三个孩子使我感到吃惊。
主语从句不可位于句首的五种情况
首先我们大家都明白在复合句子中起名词作用的句子叫名词性从句。简单把它理解成名词，但形式是一个句子。那主语从句就是在句中作主语，主语从句的位置与陈述句中主语位置相同的
(1) if 引导的主语从句不可居于复合句句首。
It is uncertain if he will leave fr Beijing tmrrw.
(2) It is said , (reprted) …结构中的主语从句不可提前。例如：
It is said that President Jing will visit ur schl next week. (right)
That President Jiang will visit ur schl next week is said. (wrng)
(3) It happens…, It ccurs… 结构中的主语从句不可提前。例如：
It ccurred t him that he failed in the examinatin. (right)
That he failed in the examinatin ccurred t him. (wrng)
(4) It desn’t matter hw/whether …结构中的主语从句不可提前。例如：
It desn’t matter whether he is wrng r nt. (right)
Whether he is wrng r nt desn’t matter. (wrng)
(5) 含主语从句的复合句是疑问句时，主语从句不可提前。例如：
Is it likely that it will rain in the evening? (right)
Is that will rain in the evening likely? (wrng)
注：What 引导主语从句时在句时在从句中充当句子成分，如主语．宾语．表语，而that 则不然。
例如： 1) What yu said yesterday is right.
2) That she is still alive is a cnslatin.
1．________Hubble is based in space allws it t see further than grund-based telescpes, and it allws scientists t learn mre abut the universe.
2．It is well­-knwn t us all ________ Li Bai was a great Chinese pet.
3．________ he said is very imprtant.
4．________ matters mst is whether yu are willing t learn and t study hard.
5．________team wins n Saturday will g t the natinal champinships.
6．________ amazed me was that he arranged fr a car t pick me up at the airprt.
7．It is nt clear_________the plan is practical, but we can give it a g.
8．______ his dream f ging t cllege will cme true is uncertain.
9．_____ surprised me mst was that such a little girl f seven culd play the vilin s well.
10．________he will jin us wn’t make t much difference.
11．It was never clear ________the man hadn’t reprted the accident in time.
12．________ beat Xia Wang black and blue is nt knwn.
13．It is reprted ________Zhng Nanshan was awarded the Medal f the Republic because f his cntributins t fighting against COVID-19.
14．It makes me feel gd__________yu care abut me.
15．It matters little _________des it s lng as it is dne.
16．________ they will slve the serius prblem has nt been decided.
17．________ he said at the meeting astnished everybdy present.
18．It is estimated ________ ttal investment in the cuntry will cntinue t increase this year.
19．We all thught it was a pity _____he missed such a gd chance.
20．It is n wnder ________ sme yung peple, under the grwing pressures, wuld try t live in a simple way.
21．________ interested her mst was the news reprted n the TV.
22．It is a pity ______he missed such a gd chance t g abrad t study.
23．________ gets hme first starts cking supper.
24．____ I have achieved in the tugh task is credited t the guidance f my teachers.
25．It is hped ________yu can learn a lessn frm this accident.
26．________ Lara and ther IT engineers met n their first assignment abrad was a culture shck.
27．________ beauty cmes frm within is widely accepted in tday’s sciety. Therefre, we shuld attach great imprtance t inner beauty.
28．________ wants t be a vlunteer in the sprts meeting shuld get prepared befre this Friday.
29．________ sme students didn’t realize was that their time was slipping away insensibly.
30．________ we will spend ur summer hliday is still uncertain nw, but I persnally hpe t g t a seaside city.
31．________ we need mre drink and fd depends n hw many guests will cme t the party this evening.
32．It is amazing t us ________ancient craftsmen were able t carve such a giant Buddha.
33．__________ many turists treasure mst abut Chinatwn is its fd.
34．It is very likely __________ the knwledge we learn will be applied t practice sme day.
35．_______we’re seeing nw is that disappearance f the nise desn’t necessarily immediately result in a recvery f eclgical functin.
36．Peter didn’t say anything, but ______ he said made him think carefully.
37．______ struck me mst was that the hybrid rice enabled farmers t expand their utput greatly.
38．______ the prject is t be carried ut still needs discussing.
39．______ the new rganic farming is effective remains t be seen.
40．_______the labratry is t be set up has nt been determined.
41．_______many places still are suffering fd shrtages remains a big cncern.
42．________ the survivrs attempted t d was t build a memrial t the heres wh saved their lives.
43．While tw thusand patients have taken it, it’s uncertain ________ impact the medicine will have n the disease.
44．________Jack gets hme after schl is calculated s that Mum can ensure him warm meals.
45．It surprised us________ ur freign teacher can recite Tang pems.
46．________ he will ffer us enugh help desn’t matter a lt t ur success.
47．________ surprised us very much was that Tm shuld have left withut a wrd.
48．_____ culd take gd care f ur kids wrried us a lt.
49．_____ she likes the present is nt clear t me.
50．It is amazing ________ the ancient peple culd have built such great architecture.
51．________leaves the rm last shuld remember t switch ff the lights.
52．It is calculated ________ Eurpean railways alne spend apprximately 20 billin eurs a year n maintenance, including sending maintenance staff, ften at night, t inspect and repair the rail infrastructure.
53．_________ cncerned him mst was that farmers ften had pr harvests and smetimes even had a serius shrtage f fd t eat.
54．_______ cmes will be welcmed t the pen-air cncert.
55．_______we are sure abut is the need t prevent children frm being spiled.
56．It is by n means clear ________the president can d t end the strike.
57．_______made the schl prud was that mre than 90% f the students had been admitted t key universities.
58．It is estimated ________up t 60% f the lcal ppulatin is being reached thrugh these radi bradcasts.
59．It desn’t matter ________ yu’re dressed. N ne cares.
60．It’s quite likely ________we’ll be in Spain this time next year.
61．________ yu g r stay makes n difference t me.
62．________ surprised us mst was that her wrks f art sn became famus and were n display in the British Museum.
63．________ yu are cming t Beijing is the best news I have heard fr a lng time.
64．________ makes the shp different is that it ffers mre persnal services.
65．It suddenly ccurred t him _____ he had left his keys in the ffice.
66．__________ yu dn’t like him is nne f my business.
67．________ she will leave fr Lndn hasn’t been decided. Maybe tmrrw, maybe next week.
68．________ is left ver may be put int the refrigeratr, where it will keep fr tw r three weeks.
69．________surprised me was that the cmpany received s many prfiles frm the applicants.
70．It is nt clear ________ the man is a suspect r a detective.