資源簡介

(共13張PPT)
Unit 1
People of Achievement
Discovering Useful structures
The pig, , will be killed.
descriptive information
If we remove the red part, is the sentence still clear
which is big
Yes, because we have only 1 pig. The red part offers only ____________________ of the subject.
descriptive information
Lead in
1
The pig will be killed.
necessary information
If we remove the red part, is the sentence still clear
which is the biggest
No, because we have only 3 pigs. The red part is to point out which pig to be killed.
2
3
The red part can _________________ and _____________ ________. It offers ___________________ of the subject.
Lead in
narrow things down
have a limiting
function
necessary information
The pig, which is big, will be killed.
restrictive A.C.
限定性定語從句
non-restrictive A.C.
非限定性定語從句
descriptive information
necessary information
The pig which is the biggest will be killed.
1
2
3
Lead in
限制性定語從句 非限制性定語從句
從句與先行詞關系緊密，修飾限定先行詞，不可或缺 從句對先行詞或整個句子起補充說明、解釋，評論等作用
只能修飾先行詞，不修飾整個主句 即可修飾先行詞，又可修飾整個主句
可用關系代詞和關系副詞 可用關系代詞和關系副詞，不能用that引導從句
從句前一般不用逗號隔開 從句和先行詞或主句之間一般用逗號隔開
總
結
<<<
關系詞 所指 所作成分
關系代詞 who 指人 主語
whom 指人 賓語(不能省略，不能用who替代)
which 指代名詞、代詞、整個句子或主句的一部分 主語/賓語等
whose 指人或指物 定語
關系副詞 where 通常是地點名詞 地點狀語
when 時間名詞 時間狀語
This year’s Nobel Prize for Physiology or Medicine has been awarded to Tu Youyou (co-winner), ____ research led to the discovery of artemisinin, a crucial new treatment for malaria.
Practice
whose
But Sarah, ______ has taken part in shows along with top models, wants to prove that she has brains as well as beauty.
who
Peter, ______ you met in London, is now back in Paris.
whom
We were very impressed by the old man. He was not willing to acknowledge defeat.
We were very impressed by the old man, _________was not willing to acknowledge defeat.
who
Some people always talk loudly in public, ______________is really annoying.
which
Many people ,most of _________were well-educated, headed for remote regions to chase their dreams.
whom
as和which引導的非限制性定語從句的區別
As we all know，he studies very hard.
我們都知道他學習很用功。
The student，as was expected，achieved great success.
正如所期盼的，這位學生取得了巨大成功。
He is late for class again，as is often the case.
他上課又遲到了，情況經常如此。
I want to buy the house，which has a garden.
我想買這座房子，它帶有一個花園。
He was late for the meeting，which made the chairman very angry.
他開會遲到了，主席為此非常生氣。
總
結
<<<
as which
指代 所引導的定語從句只能指代整個句子的內容 所引導的定語從句既可指代名詞、代詞，又可指代整個主句的內容，也可指代主句的一部分
位置 所引導的定語從句可位于主句之前、之中或之后 所引導的定語從句只能位于主句之中或之后
意義 正如，正像 這一點，這件事
特別提醒
as引導非限制性定語從句時常用于以下結構：
as we all know/as is known to all 眾所周知，as is often the case 情況常常如此，as is hoped正如所希望的那樣，as was expected/as we had expected正如所預料的那樣，as has been stated above如上所述，as is mentioned正如所提及的。
The president of the World Bank says he has a passion for China, ___________he remembers starting as early as his childhood.
which
___________ is well known, China is a country with a long history.
As
It is known to us that Taiwan is part of China.
→____________________________, Taiwan is part of China.
As is known to us
He failed in the exam. It made his parents very angry.
→He failed in the exam, ____________________________
which made his parents very angry.

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