Unit 5 Grammar（19页）课件 2025-2026学年高中英语外研版（2019）必修第一册

(共19张PPT)
Unit 5
Into the wild
Grammar
定语从句-关系副词
Learning objectives
1 To master the features and functions of attributive clauses with relative adverbs;
2 To use attributive clauses with relative adverbs in real context.
Review：
先行词
关系代词
定语从句
定语从句
定语从句？
1. We prefer to make friends (who share our interests).
2. She is the one that he longs to see again.
定语从句是用来充当定语的句子，它主要用于修饰句子的 ，位于被修饰的名词和代词 。翻译为 ，作用相当于一个 词。
“……的”
先行词
关系词
定语从句
名词和代词
之后
结构：先行词+关系词+从句的其它部分
形容
主
谓
宾
Review：
关系词
关系代词
who, whom, whose, that, which
在从句中充当 和定语。
主语，宾语，表语
先行词
关系词
定语从句
不完整
句子中缺少主语，宾语，表语或定语
I know the man who is crying in the car.
Review：
关系代词 指人/物 在定从句中充当什么成分
that
which
who
whom
whose
宾语
定语+n.
人、物
人、物
主语、宾语
物
主语、宾语
人
主语、宾语
人
Review：
Activity 1 Look at the sentences from the reading passage and answer the question.
a Eventually, it manages to reach the places where it will spend the winter.
b The solution… comes at a time when it is in serious trouble.
c Sadly, human activity is the main reason why the number of monarch butterflies is falling.
Q1. What do “where”, “when” and “why” refer to in each sentence
Q2.What is the difference between the two groups of sentences
Sentences (a), (b) and (c) contain a clause defining a noun or pronoun in the sentence.
Sentences (d), (e) and (f) are constructed with a pair of simple sentences, with one defining a noun or pronoun in the other sentence in each pair.
Q3. Why does the author choose to use sentences (a), (b) and (c) in the reading passage
Because there is a closer link and connection between the item and the clause defining it in sentences (a), (b) and (c). It will also make the passage clearer, and create an emphatic effect on the location, time and reason being defined.
1. 关系词的分类
关系词
关系副词
where, when, why
在从句中充当 。
状语
先行词
关系词
定语从句
完整（即不缺主语，宾语，表语等）
可补充状语
I want to know the place where I was born.
My grandfather often tells stories about the time when he was a soldier and fought in the war.
2.关系副词when的用法：
先行词
关系副词
先行词 关系副词 定语从句完整
Day, year ,minutes （表示时间的先行词） when 时间状语
从句成分完整（不缺主语，宾语，表语等）
We finally arrived at the village where my ancestors lived for generations.
2.关系副词where的用法
注意：一些表示抽象地点的名词：“point, condition, situation, case, state”作先行词时，关系副词用where。
先行词
关系副词
从句成分完整（不缺主语，宾语，表语等）
先行词 关系副词 定语从句完整
Day, year ,minutes （表示时间的先行词） when 时间状语
Park, stage, point where 地点状语
She never explained the real reason why she suddenly quit her high-paying job and moved to a small coastal town to start a bakery.
3.关系副词why的用法
先行词
关系副词
先行词 关系副词 定语从句完整
Day, year ,minutes （表示时间的先行词） when 时间状语
Park, stage, point （表示地点的先行词） where 地点状语
reason 原因 why 原因状语
从句成分完整（不缺主语，宾语，表语等）
4.总结
关系副词 先行词 句法功能
when 表示时间的名词：time，day，year 等 时间状语
where 表示场所的名词：park，place，country，house 等 地点状语
why 表示原因的名词：reason 原因状语
5. 关系词的选择
关系词
先行词
关系词
定语从句
不完整
句子中缺少主语，宾语，表语或定语
完整
可补充状语
关系代词
关系副词
1．第一步：确定是定语从句
2．第二步：分清限制与非限制。
3．第三步：寻找先行词，判断属性: 指人还是指物，表时间、地点还是原因。
4．第四步：判断从句中所缺成分，确定关系词
(1)缺少主语：that/which/who；
(2)缺少宾语：that/which/who/whom；
(3)缺少定语：whose；
(4)缺少时间、地点或原因状语时，分别用when, where, why。
6. 练习
This is the place _____________ we visited last time.
This is the place _____________ we visited the equipment设备 last time.
I still remember the time __________ we spend together.
I still remember the time __________ we first met each other.
This is the reason __________ she gave me.
This is the reason __________ she cried.
(
)
定语从句不完整，先行词在定语从句中做宾语，指物
that/which
(
)
定语从句完整，缺状语，指地点
where
(
)
定语从句不完整，先行词在定语从句中做宾语，指物
that/which
(
)
定语从句完整，缺状语，指时间
when
(
(
)
定语从句不完整，先行词在定语从句中做宾语，指物
that/which
)
定语从句完整，缺状语，指原因
why
Activity 2 Read the passage and underline the words that where, when and why refer to.
In April 2017, two giant pandas from China arrived at a zoo in the Netherlands. There, they were welcomed to the Chinese-style compound where they were to live. On 30 May, after the preparations were complete, the day finally came when the pandas met their fans for the first time. People were excited - the zoo is the only place in the country where it is possible to see pandas. In fact, the last time there were pandas in the Netherlands was in 1987. And of course, the main reason why they were so excited is that pandas are just so cute.
In April 2017, two giant pandas from China arrived at a zoo in the Netherlands. There, they were welcomed to the Chinese-style compound where they were to live. On 30 May, after the preparations were complete, the day finally came when the pandas met their fans for the first time. People were excited – the zoo is the only place in the country where it is possible to see pandas. In fact, the last time there were pandas in the Netherlands was in 1987. And of course,
the main reason why they were so excited is that pandas are just so cute!
compound n. 有围栏（或围墙）的场地
Activity 3 Complete the email with where, when or why.
where
when
why
where