外研版（2019）高中英语选择性必修第一册 Unit1_Laugh_out_loud_语法-精讲破练习.docxVIP

PAGE1 / NUMPAGES4 Unit1 Laugh out loud语法-精讲破 非限制性定语从句 观察1 The fire lasted for a whole night，which caused great damage . This note was left by Tom，who was here a moment ago. Yesterday Jimmy left for Canada，where he had stayed two years. We will put off the meeting until next week，when we won’t be so busy. 归纳1 非限制性定语从句只是对 ① 或 ② 的补充、解释或附加说明，即使去掉，主句的意思仍然完整。主句或先行词与从句之间一般用 ③ ，常常单独翻译。 观察2 She said she had finished her work, which I doubted very much. The moon, which is about 384，400 kilometers away from the earth，creates many beautiful stories . I only have a sister, who works in a hospital. 归纳2 （1）关系代词指代 ④ 的内容时，用非限制性定语从句 （2） ⑤ 指的是世界上独一无二的事物或专有名词时，用非限制性定语从句。 （3）先行词指的是某人仅有的一个亲属时，用 ⑥ 。 观察3 As everyone knows，China is a country with a long history She is a great hero，as is described in the report He invited me to dinner，which made me very happy This novel，which I have read three times，is very touching. 归纳3 as和 which在引导非限制性定语从句时，可代替 ⑦ ，相当于 and this或 and that，且在定语从句中都可以作 ⑧ 。 as和 which引导非限制性定语从句的不同之处在于: （1）as引导的定语从句可置于 ⑨ ，而 which引导的非限制性定语从句不可放在 ⑩ 。 （2）as代表前面的整个主句并在从句中作主语时，从句中的谓语必须是 ? ；若从句中的谓语为 ? ，则从句中的关系代词只能用 ? 。另外，as引导非限制性定语从句，常带有“正如”的意思。 注意 as引导非限制性定语从句时，常用于下列一些固定结构中: as is expected（不出所料）as is mentioned above（正如上面所提到的）、as we all know/as is known to al众所周知）、as is reported（正如所报道的）、as is often the case（这是常有的事）等。 观察4 He has told us many stories，all of which are about the famous Long March. The students of Class 1.some of whom came from Japan，went camping yesterday . Present at the meeting were almost experts on DNA，all of whom came from the us. 归纳4 在非限制性定语从句中，一些表达数量或定位的数词或代词如all/some/one/both/neither/none/any/either等可与of构成介词词组修饰关系词，此时关系词在定语从句中作介词的宾语，关系代词不可用 ? ，且常用非限制性定语从句。如先行词指人则用 ? ，如先行词指物则用 ? 。 观察5 This is the book（which/that）you are looking for. Keep the books in a place where you can find them easily. He will wear no clothes, which will make him different from others. Last Sunday, when it was raining all the day，he came to our city, where he rec