高中英语人教版必修2 Unit1 Cultural relics Period3 定语从句课件（18张）

课件18张PPT。Unit 1　Cultural relics
Period 3　Learning about Language
语法专题课　
限制性定语从句和非限制性定语从句的区别【课前热身】
阅读下面课文原句, 回答以下问题
①It was also a treasure decorated with gold and
jewels, which took the country’s best artists about
ten years to make. ②However, the next King of Prussia, Frederick WilliamⅠ, to whom the amber room belonged, decided not to keep it.
③In 1770 the room was completed the way she wanted.
④This was a time when the two countries were at war.
⑤There is no doubt that the boxes were then put on a train for K?nigsberg, which was at that time a German city on the Baltic Sea. 结论: (1)定语从句分为_______________和_________
_________。
(2)限制性定语从句如: _____; 在非限制性定语从句中,
往往主句和从句之间有逗号隔开, 如: _______。限制性定语从句非限制性定语从句③④①②⑤【课堂诠解】
Ⅰ. 限制性定语从句和非限制性定语从句的区别1. 用适当的关系词填空
①（2017·浙江高考 ）When the war was near, Alia was
worried that the fires of war would destroy the books,
______ are more precious to her than mountains of gold.
②The old man has two grandsons, ____live in Shanghai. whowhich③(2016·北京高考)I live next door to a couple ______
children often make a lot of noise.
④(2015·江苏高考)The number of smokers, __is
reported, has dropped by 17 percent in just one year. whoseas2. 单句改错
①China, that was founded in 1949, is becoming more
and more powerful.
_______________
②I have a friend, who’s name is Liu Mei.
_________________将that改为which把who’s改成whose3. 将下列句子翻译成汉语
①The couple who we met on holiday have sent us a
postcard.
_______________________________________________
②She has two brothers, who are working in the city.
__________________________________我们度假时遇到的那对夫妇给我们寄来一张明信片。她有两个弟弟, 他们在这个城市工作。Ⅱ. as, which引导的非限制性定语从句
as与which都可引导非限制性定语从句, 代替主句的全部或部分内容, 且在定语从句中可以作主语或宾语, 但两者有区别: ①__ __ ______ __ ___/__ __ ___ _____, China is a
developing country.
众所周知, 中国是一个发展中国家。
②He came to my birthday party, ______ _ ______
______ __ ___.
我完全没有想到他来参加我的生日聚会。As is known to allAs we all knowwhich I didn’texpect at all【名师指津】
关系代词as引导限制性定语从句时通常用于结构the same. . . as. . . 及such. . . as. . . 中。例如:
He gave me the same pen as you used to have.
他给了我一支与你曾经拥有的一样的钢笔。(the same. . . as. . . , as引导限制性定语从句)【巧学助记】
定语从句助记口诀
前看先行词, 辨清人或物;
后看从句里, 有无主宾语。【课堂小结】
1. 非限制性定语从句起补充说明作用, 与主句之间用逗号隔开, 不可用that引导。
2. as与which皆可引导非限制性定语从句, 但位置与意义有区别。