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让每个人平等地提升自我
Unit 3 Looking good, feeling good
Period 4 Grammar 1
一．
【设计思想】
M1U1&U2
已 介绍了限制性定语从句的用法，
本单元，
再介绍非限制性定语从句。
所以，
本 课首先用表格填空和填词练习进行全方位的复习。然后通过设置情景汶川地震与学生交
流信息来呈现非限 制性定语从句的概念，让学生感受语言，通过思考、分析和归纳，发现
语法规律，
并在足够的语 境支持下反复再现语法现象，
从而实现从教材中来，
到应用中去。
二．
【教学目标】
By the end of this class, the students will be able to
1. master the usage of non-restrictive Attributive Clause.
2. use
as
and
which
in non- attributive Clause correctly.
三．
【教学重难点】
Be
able
to
distinguish
the
differences
between
Attributive
Clause
and
non-restrictive Attributive Clause.
四．
【教学环节】
【课堂导入】
Show some pictures about the earthquake in Wenchuan.
th
1. What happened on May 12
?
Where is Wenchuan?
2.
What time did the quake take place?
What were most of the students doing at that time?
3.
Where were most of them having classes?
What happened to the teaching buildings?
4.
Why did the teaching buildings fall down?
Were they strong enough?
5.
What happened to the people in Wenchuan?
Therefore, they can
’
t lead a peaceful life, can
’
t they?
6.
Though many people suffered a lot in the quake, are there any survivors whose
stories are encouraging?
【预习检查】
Fill in the chart.
关系词
先行词（物）
先行词（人）
主语
宾语
which
that
关系
who
1
主语
宾语
定语
时间
地点
原因
状语
状语
状语
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让每个人平等地提升自我
代词
whom
whose
关
系
when
副词
where
why
【课堂教与学】
Step 1 Presentation
（一）非限制性定语从句
1)
定语从句有
__________ _
和
____________________
两种。
比较下列两句话，观察其有何区别。
This is the house which we bought last month.
__________________ ________________________________________
The house, which we bought last month, is very nice. < br>_______________________________________________ ___________
总结：限制性
定语从句是先行词
____________ ______
，去掉它主句意思往往不明确；
非限制性
定语从句是先行词的
附加说明
，去掉了
_____________
主句的意思，它与主句之间通常用
_____________
分开。译成汉语时，
一般可用并列句表达< br>。
2
）
非限制性定语从句还可将
____________ _____
作为先行词
,
对其进行修饰
,
这时从句谓
语 动词要用
___________________
，例如：
He seems not to have grasped what I meant, ___________________________.
他似乎没抓住我的意思，这使我心烦。
Liquid water changes to vapor, _____________ evaporation.
液态水变为蒸汽，这就叫做蒸发。
【高考链接
-11
江苏】
Between
the
two
pars
of
the
concert
is
an
interval,______
the
audience
can
buy
ice-cream. A
when B
where C
that D
which < br>说明：关系代词
that
和关系副词
why
不能引导非限制性定语从句 。
3) as
也可引导非限制性定语从句，例如：
As is known to all, he is the best student in our class.
He opposed the idea, as could be expected.
As we all know, he studies very hard.
Taiwan is, as you know, an inseparable part of China.
说明
：
as
引导非限制性定语从句时，
通常指代主 句的部分或整句，
一般不指代单个的名词
或代词，可以放在主句前，后或中间，在从句中作主语 或宾语。
你发现了
which
和
as
引导非限制性定语从 句的区别了吗？
a.
which
引导的从句放在哪里？
_______________________
as
引导的从句可放在哪里？
_________________________
请判断正误：
（
1
）
As is often the case, he is absent.
（
）
Which is often the case, he is absent.
（
）
（
2
）
He saw the girl, as he had hoped.
（
）
2
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