课件18张PPT。Grammar and usageNon-restrictive attributive clausesUnit 3㈠ 限制性定语从句与先行词之间不用逗号隔开;
非限制性定语从句与先行词之间一般用逗号隔开。My cousin whose father is a teacher wants to be an actor.
My cousin, whose father is a teacher, wants to be an actor. 1. A. This is the place where I lived ten years ago.
B. She is going to spend the winter holiday in Macao, which returned to China in 1999.
2. A. He is a man who I can ask for help.
B. His father, who works in Beijing, came back yesterday. ㈡ 限制性定语从句和先行词关系密切,如果去掉从句,剩余部分意义不完整;非限制性定语从句只是先行词的附加说明,如果去掉从句,意义仍然完整。My house, which I bought last year, has got a lovely garden.㈢有时同一个限制性从句变为非限制性从句会改变全句的意思。 1. I have a sister who works in a hospital.我有一位在医院工作的姐姐。 2. I have a sister, who works in a hospital.我有一位姐姐,她在医院工作。(不止一个姐姐)(只有一个姐姐)3. All the magazines here which have beautiful pictures were written by him.里面有漂亮图画的那些杂志是他写的。4. All the magazines here, which have beautiful pictures, were written by him.所有的杂志都是他写的,里面都有漂亮的图画。(杂志有带图画和不带图画两类)(杂志只有一种: 带图画的)㈣非限制性定语从句相当于一个并列句。①That is his father and he works in Shanghai.
That is his father, ________ works in Shanghai.
②He told me a story, and I think it is very interesting.
He told me a story, _______ I think very interesting.whowhich关系代词:which / as / who / whom /whose
关系副词:when / where
注意:
①非限制性定语从句中不用关系词that,why;
②非限制性定语从句中关系词不能省略;
③介词+which/ whom结构中,介词不移到后面。㈤非限制性定语从句中通常使用下列关系代词和关系副词4. Xi’an, ______ I visited last year, is a nice old city.
5. He will come to see me next July, _____ he won’t be so busy.
6. The school, _____ I once studied, was built thirty years ago.
1. The famous basketball star, ____ is an American, came to China yesterday.
2. In those days, she used to go to Mr Black, with _____ she had a wonderful time.
3. I bought a car yesterday, _____ cost me a lot.whichwhomFill in the blanks with proper relative words.who7. John said he’d been working in the office for an hour, ________ was true.
8. ____ we all know, he is good at English.whichwherewhenwhichAsConclusion1. as 和which在引导非限制性定语从句时, as和which可代替整个主句, 相当于and this或and that.Taiwan belongs to China, and this is known to all.
Taiwan belongs to China, which /as is known to all.2. as 引导的定语从句可置于主句前, 主句后,也可插入句中,译成“正如…, 正像…”而which引导的定语从句只能放在主句后, 翻译成“这”.3. 主句中出现有the same, such, as, so 修饰先行词, 需选择as 作关系代词在从句中作主语或宾语Alice received an invitation from her boss, _____ came as a surprise.
2. The weather turned out to be very good, ________ was more than we could expect.
3. ________ is expected, the England team won the football match.Aswhichwhich as / which 4. It rained hard yesterday, _______ prevented me from going to the park.
5. ________ we can see, the smoke came from the little dustbin.whichAs(六)all / some / of + whom / which引导的非限制性定语从句表示部分与整体的关系。Examples:He has told us many stories, all of which are about the famous Long March.
2. The students of Class 1, some of whom came from Changsha, went camping yesterday.1. I am doing different types of exercises, all of ______ are quite helpful to my health.
2. Many people, some of ______ are not overweight, are going on diets.
3. There are 54 students in my class, three of _______ come from US.Other exampleswhichwhomwhom1. ① This is one of the most interesting films ___ shown last week.
② This is the only one of the most interesting films ___ shown last week.
A. which was B. that was
C. which were D. that wereBDComparison2. ① He has two sons, __ are college students.
② He has two sons, and __ are college
students. A. both of which B. both of whom C. both of them D. both of itCB 3. ① He still lives in the room __ window faces to the east.
② He still lives in the room, the window __ faces to the east.
③ He still lives in the room __ is in the north of the city.
④ He still lives in the room __ there is a beautiful table. A. which B. whose C. where D. of whichCADB4. ① ___ we all know, China is rich in
natural resources.
② ___ is well-known that China is rich in natural resources.
③ ___ is well-known, China is rich in natural resources.
④China is rich in natural resources, _______ we all know.
A. Which B. As C. It D. ThatBCBA, B5. ① Is this museum ___ he visited last month?
② Is this the museum _____ he visited last month?
③The teacher tells us that ___ cleans the blackboard is to be praised.
A. that B. the one
C. which D. the one whoBDA