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1、 非谓语动词 一、教学目标与重、难点分析：教学目标：英语动词的基本认识 掌握非谓语动词的几种基本形式 重、难点：不同形式 例如ing和不定式的区别掌握难度大，而且高考常常出现，还易出错二、授课内容： 课题：非谓语动词【知识梳理】非谓语动词（一）分词【基本概念】1. 对英语动词的基本认识英语中动词的语法作用同汉语区别很大。动词除了在句子中充当谓语之外，还常以非谓语的形式充当其他的句子成分。按照动词是否充当谓语，我们可以把动词分为谓语动词和非谓语动词两类。每一类动词所包含的主要语法知识如 下。 时态 （按高考要求共九个时态） 谓语动词 语态 （主动语态和被动语态） 语气 （陈述语气和虚拟语气） 主
2、谓一致动词 动词不定式 非谓语动词 分词 （现在分词和过去分词） 动名词非谓语动词是指不充当谓语而做其他句子成分的动词，凡是用作非谓语的动词在形式上都要有所变化，以区别于谓语动词。2.分词的语法作用分词分现在分词和过去分词两类，具有形容词和副词的语法功能，在句子中可以充当表语、定语、状语和宾语补足语。例1：The news that the Chinese team won the gold medal was very encouraging.(P.51, Senior Book 2B)句中的现在分词encouraging充当句子的表语。例2：The people performing al
3、l play different instrument. (P.49, Senior Book2B)Polluted rivers and lakes have also been a cause of death. (P.52, Senior Book2A)现在分词performing作后置定语，修饰the people; 过去分词polluted作定语修饰rivers and lakes。例3：So he left France, preferring to give up the fortune that would one day come to him, and went to li
4、ve in English. (P.57, Senior Book2B)现在分词短语 preferring to give up the fortune that would one day come to him 作状语，表示he left France and went to live in England 的原因。Well known for his expert advice, he was able to help a great number of people with their personal affairs. (P.14 Senior Book2B)过去分词短语well
5、known for his expert advice 也充当状语，表示原因。分词短语充当状语时，其作用相当于一个状语从句，因此都可以用状语从句替代。Well known for his expert advice = Because he was known for his expert advice,显然，按照修辞的标准衡量，分词短语较状语从句更为精练。例4：They broke into the uncles bedroom and found the man lying on the floor, dead.(P.16, Senior Book2B)I can see it faste
6、ned to a nail next to the hole in the wall, but it is not fastened to that wire. (P.16 Senior Book2B)The gate must be kept shut so that the animals do not escape. (P.53,Senior Book2A)【关键知识】学习分词的知识只要抓住现在分词同过去分词的区别这一关键环节，其他问题便可迎刃而解。区别现在分词和过去分词的方法主要有两点：2. 掌握主谓关系用现在分词，动宾关系用过去分词的基本原则。分词做定语时，看分词同它所修饰的名词或代
7、词的关系。分词所修饰的名词或代词同分为主谓关系时，用现在分词；分词所修饰的名词或代词同分词为动宾关系时，用过去分词。There are lots of good English language programmes broadcast on TV or the radio in China. (P.46, Senior Book1A)过去分词短语broadcast on TV or the radio in China 作定语修饰programmes, broadcast 同它所修饰的名词programmes 具有动宾关系，即broadcast programmes on TV or the
8、 radio，因此必须用过去分词。Two days later I received a letter offering me the job. (P.34-35, Senior Book2B)现在分词短语offering me the job是名词letter的定语，offering同它所修饰的名词letter具有逻辑上的主谓关系，如果将现在分词短语转换成定语从句，这种“主谓关系”则更为明确：Two days later I received a letter which offered me the job。分词做宾语补足语时，看分词同宾语补足语的关系。主谓关系用现在分词；动宾关系用过去分
9、词。You often see musicians performing in the streets. (P.54, Senior Book2B)宾语musicians和宾语补足语performing 具有逻辑上的主谓关系，musicians发出perform 的动作，宾语补足语必须用现在分词。Although we may not realize it, when we talk with others we make ourselves understood not just by words. (P.14, Senior Book2A)作宾语补足语的过去分词understood同宾语o
10、urselves 为动宾关系，即understand ourselves，此处的意思是“使我们自己被别人所理解”。分词作状语时，分词的逻辑主语同句子的主语一致。据此，辨别现在分词和过去分词的区别要看分词同句子主语的逻辑关系，主谓关系用现在分词；动宾关系用过去分词。In Arab countries, you eat using the fingers of your right hand; the left hand is not used at all. (P.14, Senior Book2A)现在分词短语 using the fingers of your right hand 作方式状
11、语修饰谓语动词eat。之所以用现在分词，是因为using 同句子的主语you 有逻辑上的主谓关系。换言之，句子的主语 you既发出谓语动作eat，又发出非谓语动词using 所表示的动作。Dr. Watson and I will spend the night locked in your room. ( P.15 Senior Book2B)过去分词短语locked in your room充当spend the night的方式状语。lock 同句子的主语Dr. Watson and I的逻辑关系为动宾关系“lock Dr. Watson and I in your room”。分词作状
12、语时同句子主语之间的逻辑关系较难理解，再看以下例句，注意分词短语同句子主语之间的逻辑关系。The poor of the cities and the peasants in the country, having lived such a hard life for so long, took up their guns and knives and began to kill the rich nobles. (P.58, Senior Book2B)Considering that Charles would be sentenced to death, he went to a che
13、mists shop and bought some special medicine. (P. 58 , Senior Book2B)Given advice by the famous detective, the young lady was no longer afraid. (P.17, Senior Book2B)The lady returned home, followed by Mr. Holmes and Dr. Watson. (P.17, Senior Book2B)3. 分词作表语时，区别现在分词和过去分词的两种方法。分词作表语时，现在分词表示主语的特征；过去分词表示
14、主语所处的状态。The temperature is 15C. It is freezing outside. ( P.51, Senior Book2B)现在分词freezing作表语，表示主语“天气”的特征。Children are afraid of the stone figures in the temple which look so frightening. ( P.51, Senior Book2B )which代表先行词the stone figures 的含义，在定语从句中作主语。frightening是系动词look的表语，表示主语the stone figures的形象
15、特征。One quarter of the shores of the Mediterranean are polluted. (P.52, Senior Book2A )过去分词polluted作表语，表示地中海沿岸的四分之一受污染的状况。surprise, excite, interest, frighten, worry, please, 等动词具有共同的特点，他们的意思都是“使（人）怎么样”。这类动词充当表语时区别现在分词或过去分词的方法比较简单：如果主语是表示“人”的词语，表语用过去分词；主语是表示“事”或“物”的词语，表语用现在分词。We were getting very worried. (P.61, Senior Book2A )“The lion! It must be the lion from the zoo!” Mrs. Cousins was fr
