2023年定语从句与非谓语动词的转换.pdf

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1、精品资料 欢迎下载 定语从句和非谓语动词是高中阶段重要的两大语法项目。定语从句的应用可以使语言表达更精确更生动，显得使用者具有较高的英语文化底蕴，但也是中学英语的难点语法项目，许多同学在学习和运用定语从句时，感到很难理解。若将其简化，理解起来就比较简单了。而非谓语动词的正确使用，就可以使定语从句的理解容易化，简单化，而且使语句简练、更有文采。掌握二者的转换，有助于我们更好的理解其用法，并能够自如地运用。下面我就着重谈谈如何将定语从句转换成非谓语动词以及转换时应注意的事项。1 定语从句转换成不定式“to do”。定语从句的谓语动词是将来时或含有情态动词或含有序数词 the next，the la

2、st 等时，该定语从句转换为不定式“to do”.（1）The plane which will arrive is from Hubei.The plane to arrive is from Hubei。（2）The students will go to a party that will be held in our class at 7：45.The students will go to a party to be held in our class at 7：45.（3）He was the first boy who came to school.He was the firs

3、t boy to come to school.2 定语从句可转换成为“介词+关系代词或副词+不定式”。“介词+关系代词”引导的定语从句和“介词+关系代词或副词+不定式”充当的定语，可以相互转换。被这种定语修饰的名词往往在逻辑上充当不定式动作的地点、时间或工具。例：（1）She wanted a room in which she could do her homework.She wanted a room in which to do her homework.（2）She had only a pen with which she can write.She had only a pen

4、 to write with.或 She had only a pen with which to write.注：定语从句转换成“介词+关系代词+不定式”时，此时的不定式一定是及物动词，如是不及物动词，则需在动词后面加上相应的介词。这个介词可提前到关系代词前面，也可留在句尾。前者是正式说法后者是非正式说法。而且上例中动词不定式与句子主语之间存在着逻辑上的主谓关系，否则就不能简单地把作定语的不定式都变成此结构。“He is looking for a place for his friend to live in”这句话。我们就不能将句中的 a place for his friend to

5、live in改为 a place to live in或 a place in which to live。3.1 定语从句可以转换为现在分词（短语）如果定语从句的谓语是主动语态，且发生的时间与主句的谓语所表示的动作所发生的时间同时，此时可以将定语从句转换成现在分词短语）。（1）Have you ever talked to the girl who is dancing to music over there？Have you ever talked to the girl dancing to music over there？（2）The question that is being

6、discussed is about how to improve living conditions.The question being discussed is about how to improve living conditions.2 定语从句可以转化为过去分词（短语）如定语从句的谓语是被动语态，或是“系动词+过去分词（表语）”结构，且从句的谓语动词所表示的动作或状态是在主句的谓语之前发生或无明确的时间。此时，我们可以将定语从句转换成过去分词（短语）。有时定语从句谓语虽然是主动语态.但它表示的动作在主句谓语之前就已经完成，这时我们可以将定语从句转换成过去分词（短语）。（1）The

7、 report that was made yesterday will be discussed today.The report made yesterday will be discussed today.（2）The dictionary which my mother bought for me is very useful.精品资料 欢迎下载 The di ctionary bought for me by my mother is very useful.但以下几种情况，一般不可把定语从句转换为分词（短语）。1.虽关系代词作定语从句的主语，但如从句的谓语中含有情态动词，则不能转换

8、成分词（短语）。Those who must hand in their homework before 12 are studying hard now.此句不宜转成：Those handing in their homework before 12 are studying hard now.2.如关系代词在从句中作主语，且从句谓语是完成时的主动语态，一般不转换成分词（短语）。例：The engineer who has finished his design is about to visit Hawaii.此举不宜转化为：The engineer having finished his

9、 design is about to visit Hawaii.3.以关系代词 which 或 as 引起的非限制性定语从句，当关系代词指的是前面整个句子，将这个非限制性定语从句转换成分词（短语），其逻辑主语是其前面或后面的整个句子，但分词在这个在句子里结果状语。例：The boys parents died,which left him an orphan.The boy s parents died，leaving him an orphan.很难理解若将其简化理解起来就比较简单了而非谓语动词的正确使用就句转换成非谓语动词以及转换时应注意的事项定语从句转换成不定式定语从句和介词关系代词或副词不定式充当的定语可以相互转换被这种定