2020高考英语易错语法点专题十 名词性从句(解析版)
1.【2018·北京】Without his support, we wouldn’t be _________ we are now.
A. how B. when C. where D. why
2.【2018·北京】This is _________ my father has taught me—to always face difficulties and hope for the best.
A. how B. which C. that D. what
3.【2018·天津】The gold medal will be awarded to ___________ wins the first place in the bicycle race.
积极向上的歌曲
A. whomever B. wherever C. whoever D. whatever
4.【2018·江苏】By boat is the only way to get here, which is _______ we arrived.
A. where B. when C. why D. how
5.【2017·北京】Every year, _______ makes the most beautiful kite will win a prize in the Kite Festival.
A. whatever B. whoever C. whomever D. whichever
6.【2017·北京】Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.
白胡椒粉的作用
A. why B. where C. how D. when
7.【2017·江苏】We choo this hotel becau the price for a night here is down to $20, half of _______ it ud to charge.
A. that B. which C. what D. how
8.【2017·天津】She asked me _______ I had returned the books to the library, and I admitted that I hadn’t.
习惯名言A. when B. where C. whether D. what
9.【2016·北京】Your support is important to our work. ________ you can do helps.
A. However B. Whoever C. Whatever D. Wherever
10.【2016·北京】The most pleasant thing of the rainy ason is ________ one can be entirely free from dust.
A. what B. that C. whether D. why
【语法精讲】
考点一
主语从句
成人光碟一、that引导的主语从句
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。
经期可以吃螃蟹吗◆That 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。常见句式主要有以下几种:
(1)It+be+形容词(necessary/likely/important/certain等)+that从句
(2)It+be+名词(短语)(a pity/a shame/no wonder等)+that从句
(3)It+be+过去分词(said/told/reported等)+that从句
(4)It+不及物动词(em, appear, happen, matter等)+that从句
姿生堂
◆(湖北卷)It occurred to him that he had an important conference to attend the next morning.
他突然想到,第二天上午他有重要的会议要参加。
在“It+be+suggested/advid/ordered/requested/+that从句”结构中,从句谓语应用“(should+)动词原形”。
二、whether/if引导的主语从句
主语从句位于主句谓语动作前,表示“是否”,只能用whether。若用it作形式主语,则whether与if可互换。
◆It’s uncertain whether/if he’ll come this evening.
他今天晚上是否会来还不确定。
◆(安徽卷)The limits of a person’s intelligence, generally speaking, are fixed at birth, but whether he reaches the limits will depend on his environment.
通常来说,一个人智力上的极限从一出生就确定了,但他是否能够达到极限取决于他所处的环境。
三、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, who, what, whoever, whomever, whatever等)和连接副词(when, where, why, whenever, wherever等)。连接代词在从句中作主语、宾语、
表语或定语,连接副词在从句中作状语。其语序为wh类连接词加陈述句。
眼线的画法和技巧◆(2016·北京卷)Your support is important to our work. Whatever you can do helps.
你的支持对我们的工作很重要。你能做的任何事情都会有所帮助。
◆(北京卷)What Barbara Jones offers to her fans is honesty and happiness.
芭芭拉·琼斯展现给她的粉丝们的是诚实和快乐。
◆(江苏卷)Where Li Bai, a great Chine poet, was born is known to the public, but some won’t accept it.
中国伟大的诗人李白出生的地方人人皆知,但是有些人还不认可。
[对点演练]——单句语法填空
1.(重庆卷)To show our respect, we usually have to take our gloves off whoever/whomever we are to shake hands with.
2.(2019·山东济南一中月考)It is said that he is focusing on a book on space exploration. But when it will come out remains in the air.
考点二
宾语从句
宾语从句位于及物动词、动词短语或介词之后。引导词有三类:从属连词只起连接作用,不作句子成分,that无词义,whether, if意为“是否”;连接代词在从句中作主语、宾语、表语或定语;连接副词在从句中只作状语。
一、that引导的宾语从句
that引导宾语从句时无词义,在从句中不作成分,口语中一般可以省略,但下列情况下不能省略:
1.当that在从句中作介词的宾语时。
◆I don’t know exactly where he lives, except that it’s somewhere out in the wilds.
他住在哪里我不很清楚,只知道是在远离城市的荒野之中。
2.动词后跟有多个that引导的宾语从句时,只有第一个that可以省略,从第二个从句开始that不可省略。
◆He told me (that) he had to leave and that he would be back soon.
他告诉我他得离开并且很快就会回来。
3.it作形式宾语的宾语从句。
(1)动词find/feel/think/consider/make+it+宾补(形容词或名词)+that从句
(2)动词hate/like/dislike/appreciate/enjoy+it+that从句
(3)短语动词e to/depend on/rely on+it+that从句
(4)固定搭配take it for granted/owe it to sb. +that从句
◆No matter where he is, he makes it a rule that he shall go for a walk before breakfast.
无论他在哪里,他都定了一个规矩——早餐前散步。
画画教程◆I think it necessary that we take plenty of boiled water every day.
我认为我们每天多喝白开水是有必要的。
二、whether与if引导的宾语从句
whether与if引导宾语从句时,在从句中不作任何成分,但有具体的含义,意为“是否”。
◆(2017·天津卷)She asked me whether I had returned the books to the library, and I admitted that I hadn’t.
她问我是否把书还给图书馆了,我承认我还没有还。
在下列情况下只能用whether而不能用if:
1.宾语从句中有or not时,只能用whether。