ARTICLE · 1357873
高中英语语法 | 定语从句解题瞄点
高中英语 · 语法底层逻辑
定语从句,不必从背关系词开始真正的关键,是把句子还原
从两个简单句的合并,到5道高难度题的结构拆解
许多学生记住了“指人用who、指物用which、地点用where”,真正做题时却依然混淆:同样是school,为什么有时用which,有时用where?非限制性which为什么有时指整件事?碰到强调句、插入语又该怎么办?
答案不应从关系词列表里猜,而应回到句子的形成过程。
定语从句最常见的形成机制是:两个句子包含共同指代的信息,把其中一个句子变成另一个句子里名词的修饰语。学习时顺向练“合并”,解题时逆向练“还原”。
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解题锚点:把先行内容放回从句,看它原来处于什么位置。
能直接代入,就判断句法成分;不能机械代入,就先恢复事件、情况或逻辑关系。
PART 01
一、第一类:先行内容能够直接代入从句
11. 同样是school,为什么一个用which,一个用where?
例1|关系代词:宾语
This is the schoolwhich I visited.
拆开: This is the school. I visited the school.
代回: I visited the school.
判断: the school充当visited的宾语 → 用which / that;此处也可省略关系代词。
还原形式:I visited (the school)。括号内容只为分析,不属于合并后的句子。
例2|关系副词:地点状语
This is the schoolwhere / inwhich I studied.
拆开: This is the school. I studied inthe school.
代回: I studied inthe school.
判断: in the school充当地点状语 → 用where或in which。
where≈in which;介词短语在这里充当状语,但介词短语并非永远都是状语。
注意,先行词在两道题中完全相同。差别不在school是不是地点,而在第二个句子中,school对应的是宾语,还是介词短语中的宾语、由整个介词短语作地点状语。
22. 其他关系词,也按相同方式还原
This is the boy who/that helped me.
the boy helped me
This the the boy whose father is a doctor.
the boy's father is a doctor
I remembe the day when/on which we first met.
we first met on that day
This is the reason why/for which he left.
he left for that reason
真正的核心: 关系代词通常充当主语、宾语、表语或定语;关系副词充当状语。不要只看先行词的名称,而要看代回后的句法功能。 |
PART 02
二、用这一方法拆5道高难题
以下5题选用结构清晰、答案明确的句子。每题都从信息还原开始,而不是先猜关系词。
1第1题|插入语干扰,先找到真正的缺口
Here are the questions, some of ______ I thought are difficult for you.
答案:which
拆开: Here are the questions. I thought some of the questions were difficult for you.
暂时移开I thought: Some of the questions are difficult for you.
代回: some of the questions → some of which
锚点: of后需要一个代词指代questions;介词of后用which。I thought不改变这个关系。
如果学生只看紧挨空格的I thought,很容易被打乱。先恢复some of the questions,再处理I thought,结构就清楚了。
2第2题|定语从句嵌在强调句里面
It was in the small house ______ was built with stones that he spent his childhood.
答案:which / that
第一层:The small house was built with stones. → house在从句中作主语。
第二层: He spent his childhood in the small house which was built with stones.
第三层: It was in the small house which was built with stones that he spent his childhood.
锚点: 空格里的which/that属于定语从句;末尾的that属于强调句It was ... that ...。
这道题不靠“看到It was就选that”。关键是先把外层强调结构拆掉,再定位内层的定语从句。
3第3题|介词+whose,先还原所属关系
Jim helped me a lot, ______ whose help I would not have passed the exam.
答案:without
拆开: Jim helped me a lot. I would not have passed the exam withoutJim's help.
先还原:without Jim's help → withoutwhose help。
判断: whose表示“Jim的”,修饰help;without表示“没有”,整个without whose help在从句中充当条件性状语。
锚点: 不是看到whose就只考虑所有格;还要恢复它前面的介词以及句子的逻辑意义。
4第4题|数量结构+whose,识别所属关系
In 1963 the UN set up the World Food Programme, one of ______ purposes is to relieve worldwide starvation.
答案:whose
拆开: The UN set up the World Food Programme. One of the programme's purposes is to relieve worldwide starvation.
代回: one of the programme's purposes → one of whose purposes。
判断: purposes属于the World Food Programme,使用whose建立所属关系。
锚点: 不要把one of当成“介词+which”的固定触发器,要还原one of whose purposes这个整体。
5第5题|which指向前面整个“可能情况”
She might possibly come, in ______ case I'll ask her.
答案:which
拆开: She might come. If she comes, I'll ask her.
指代: which指向“She might come”这一可能情况,而不是单独指she或come。
整合: in which case ≈ 如果出现这种情况。
锚点: 不必强行寻找单个名词;先把前句概括为一种“情况”,再理解后句的条件关系。
PART 03
三、第二类:不能把某个先行名词机械塞进从句
这种情况下,仍然要问“关系词指代什么、在从句中起什么作用”,但还原的单位可能是整个事件、事实或情况,甚至还包含比较和逻辑承接。
1非限制性which:可能指名词,也可能指整个事件
把“He failed the exam, which surprised everyone”还原成“The exam surprised everyone”,虽然句子本身通顺,却改掉了原意。大家惊讶的是考试失败这件事,不是考试本身。
所以,“非限制性which就是指整个句子”并不准确。先判断指代范围,再判断从句成分,这是两个独立问题。
2as:不仅指向事实,还表达“正如”
比较两个句子
As we expected, she won the competition.
还原: We expected her to win. She won.
关系: 实际结果符合预期 → as带有“正如”之意。
She won the competition, which surprised us.
关系: 获胜这件事让我们惊讶 → which补充说明该事件产生的影响。
两者都可以涉及整句内容,但不能简单地互换。关键除了句法位置,还要看作者要建立哪一种意义关系。
3in which case:把整个前句当成一种情况
She might come, in which case I'll ask her.
还原:If she comes, I'll ask her.
这里不是找某一个名词的重复,而是用case将整件事概括成一种情境,再通过in which case衔接后面的行动。
PART 04
四、最后,把方法压缩成三个记忆点
一底层原理:句子合并。 从两个句子的共同指代信息出发,让一个句子成为修饰或补充说明。
二解题锚点:代回从句。 先行内容能直接代入时,判断它在从句中是主语、宾语、定语还是状语。
三高阶扩展:还原意义关系。 不能机械代入时,先恢复整件事、可能情况、比较关系或被省略的表达。
一个必须补充的边界
普通“先行词+定语从句”一般不用what作关系词;What I need is a dictionary中的what I need属于融合关系结构,在中学语法中通常归入名词性从句。定语从句中的that可以指人或物并承担句法功能;名词性从句中单纯引出陈述内容的that通常不充当从句成分。that不能引导非限制性定语从句。
语法不是一组需要猜测的填空选项,而是语言组织信息的方式。学生真正需要练会的是两个方向:看到复杂句,能拆回原来的信息;给出两个简单句,能准确合并。
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顺向练合并,逆向练还原。
定语从句的学习,从“关系词是什么”回到“句子怎样连接”。
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