定语从句与非谓语动词(
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从句与非谓语之间的转换一、当从句的主语与主句的主语一致(定语从句的主语与先行词一致),如果从句中是:1)从句用be动词作谓语be + doing; 省略be;(例10)be + done;省略be;(例4)be + 介词短语;省略be;(例2)be + 形容词 / 副词; be变为being;(例9)be + 名词; be变为being;(例1)2)如果从句中是其他行为动词作谓语是一般现在时或一般过去时就一律用doing的进行时化简;(例3)是完成时态或after引导的一般时态,用having done化简.(例7和11)二、当状语从句的主语与主句的主语不一致时,也可按上面第一条中方法化简复合句。
化简后的短语前加上原从句中的主语即可(既是独立主格结构)。
(例5、6、8)1.When he was a young boy,he used to ask lots of questions。
= Being a young boy, he used toask lots of questions.2.When he was in the classroom, he read his book aloud。
= In the classroom, he read his bookaloud。
3.They went to the teacher for help who taught them English. = They went to the teacher teachingthem English for help。
4.When the earth is seen from space, it looks like a huge water ball。
= Seen from space, theearth looks like a huge water ball。
5.When a guest comes to your room, you can say to him "H ave a seat, please”。
非谓语动词有关从句1.非谓语动词概括:2.非谓语动词与名词性从句3.非谓语动词与定语从句4.非谓语动词与状语从句There are some people insisting that they shouldn’t learn English.一、非谓语动词概括:动名词 Ving ;此刻分词 Ving; 过去分词 ved; to do 不定式1.分词短语从实质上而言:是由动词派生而来的形容词。
如, a sleeping baby, a used car, a frightening experience, a frightened child, etc.A baby who is sleeping.A car which is used2.v ing 形式由动词的主动形式派生而来;表示主动的动作或正在进行的动作Ved 形式由动词的被动形式派生而来:表示被动的动作或已达成的动作The fallen leavesThe falling leavesThe custom fascinates me.The fascinating custom has been the subject of many books.The baby will sleep until eight.Try not to wake a sleeping baby.Some movies are rated X.Children shouldn ’ t see X-rated movies.My leg was broken in three places.My broken leg is healing slowly.The sinking ship= the ship that wassinkingThe sunken ship=the ship that has sunken.Falling leaves=Fallen leaves=3.此刻分词的达成时态:表示分词的动作发生在主句谓语动词动作以前。
非谓语动词作定语一:如何轻松精准的做此类题呢只需把握住两点:一先看非谓语动词与其逻辑主语(即定语的先行词)之间的关系,主动与被动二看非谓语动词与谓动的时间关系1与谓动同时发生2在谓动之前3在将来发生二:做题步骤:先搞清非谓语动词与先行词之间的逻辑关系1如果是主动关系,再看时间,与谓动同时发生用doing 将来发生用to do2如果是被动再看时间,与谓语动词同时发生用being done 在谓动之前用done表将来用to be done一.用不定式做定语的几种情况:(1)不定式表将来。
如:The car to be bought is for his sister.(2)用来修饰被序数词、最高级或no, all, any 等限定的中心词。
如:He is the best man to do the job.She was the first woman to win the gold medal in the Olympic Games.(3)用来修饰的词是抽象名词时用不定式,常见的有:ability, chance, idea, fact, excuse, promise, answer, reply, attempt, belief, way, reason, moment, time 等Do you have the ability to read and write in English?I have no chance to go sightseeing.二.分词作定语doing 主动进行being done 被动进行done 被动完成The houses being built are for the teachers.Things lost never come again.I have never seen a more moving movie.三、to be done , done, being done 做定语的区别三者的语态同为被动语态,区别主要集中在时态上Have you read the novel witten by Dickens?Listen! The song being sung is very popular with the students.The question to be discussed at tomorrow's meeting is a very important one.(一)、-ing形式作定语-ing 形式在句中做定语时有两种情况。
I. 非谓语动词:II.从句:1. 名词性从句(主语从句,宾语从句, 表语从句).连词根据句意选.从句去掉后句子不成立.2.状语从句: (时间,地点,原因,条件,让步…) .连词根据句意选.3. 定语从句: 连词根据从句中缺不缺成分选. 从句去掉后,剩余部分仍是一个完整的句子.(I). 定语从句总结1. 先行词 + 关系词2 . 只能用which :1) ………, which……(非限定性定语从句,有逗号)2) 介词 + which(II). 状语从句 (根据句意选连词)1、时间状语从句常用引导词:when, as, while, as soon as, while, before, after, since , till, until ,no sooner … than,hardly …when2、地点状语从句:wherever, anywhere, everywhere3、原因状语从句:because ,for , now that4、目的状语从句 in order that ,so that5、结果状语从句:so… that, such … that6、条件状语从句:if, unless ,as/so long as, only if, in case7、让步状语从句::though, although, even if, even though ,,whatever, whoever,从句中缺主、宾 : 人: who / whom = that 物: which / that 从句中不缺主、宾: 时间: when = 介词 + which 地点: where = 介词 + which (reason) 原因: why = for which ……的 : whose = the …. of which(物) = the …. of whom(人)= of which the…(物) = of whom the…(人)wherever, whenever, however, whichever ,no matter …8、方式状语从句:as if, how(III)名词性从句1.连接词 that 引导名词性从句时,只起连接作用,没有任何意思,也不充当句子成分,在宾语从句中可省略,但引导其他名词性从句时通常不省略。
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 last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 p arty to be held in our class at 7:45.(3)He was the first boy who came to school.→He was the first 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 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。
三分钟语法课:关系从句的简化今天起我们开始学习“非谓语动词”。
【回顾】通过前面的学习,我们已经知道,根据主谓结构的多少,把句子分为简单句和复杂句。
其中就包括“并列句”和“复合句”。
其中,复合句由一个主句和一个从句构成。
根据从句和主句的关系和作用,从句又分为:形容词从句——修饰和限定主句中的一个名词,作定语;The guy who was sitting next to me in the bus was from Ghana.The cupcake that was brought to the party by Sally was delicious.副词从句——修饰和限定主句、或主句中的动词,作状语;例如:He studied hard so that he could get a scholarship.When dine out together, we tell each other the most absurd stories.名词从句——代替主句中某个名词成分,作主语、宾语、表语或同位语。
例如:John remembers that he saw the lady before.It is common courtesy that one should wear black while one attendsa funeral.注意语言中有个economical原则——•能够用一句话说清的,不用两句话,这就有了复杂句;•能够用词组说清的,尽量不用复杂句,这就有了“非谓语动词”。
【概念】我们今天先从形容词从句开始。
看看从句简化的原则。
【原则1】简化从句的基本方法,是省略主语和BE动词。
例如:The cupcake that was brought to the party by Sally wasdelicious.就可以简化为:The cupcake brought to the party by Sally wasdelicious.这个brought,即“过去分词”、或“-ed分词”。
非谓语从句和定语从句非谓语从句和定语从句非谓语从句英语中的非是整个当中非常重要的部分,也是学生学习的一个难点。
其实,我们可以从从句的角度来解释非,弄清非谓语动词与从句的关系,这样会使学生对非谓语动词有更好的了解,学习起来更容易。
I. v-ing 形式与从句之间的转换1. v-ing形式作主语可换成that引导的主语从句Tom's knowing English helps him in learning French. That Tom knows English helps him in learning English.Her being out of work was unexpected. That she was out of work was unexpected.2. v-ing形式作宾语或宾补可换成that引导的宾语从句I remember having paid him for his work. I remember that I have paid him for his work.He suggests our making better use of the school library. He suggests that we (should) make better use of the school library.3. v-ing形式作表语可换成that引导的表语从句Our worry is your depending too much on him. Our worry is that you depend too much on him.The question is many people's being trapped in the fire. The question is that many people are trapped in the fire.4. v-ing形式作定语可换成that, who, which引导的定语从句We will study in the house facing south. We will study in the house that / which faces south.The man talking to my teacher is my father. The man who / that is talking to my teacher is my father.5. v-ing形式作状语可换成相应状语从句On arriving there, I will telephone you. As soon as I arrive there, I will telephone you.While waiting for the bus, I caught sight of her. While I was waiting for the bus, I caught sight of her.另外,v-ing形式在句中表伴随或作结果状语,相当于一个并列句,也可和with结构转换。
非谓语作定语和定语从句的区别
非谓语动词作定语和定语从句在语法结构和表达方式上有一些区别,具体如下:
1. 语法结构:
- 非谓语动词作定语:非谓语动词包括动词的现在分词(-ing)、过去分词(-ed)和不定式(to do),它们可以在句中作定语,修饰名词或代词。
非谓语动词作定语时,通常放在被修饰词的前面。
- 定语从句:定语从句是一个句子,由关系代词(who, whom, whose, that, which)引导,用来修饰先行词(即被修饰的名词或代词)。
2. 表达方式:
- 非谓语动词作定语:非谓语动词作定语可以提供更简洁、紧凑的表达方式。
它可以通过一个动词形式来描述被修饰词的特征、状态或行为。
- 定语从句:定语从句可以提供更详细、具体的信息,通过一个完整的句子来描述被修饰词的性质、特点或关系。
3. 语义和功能:
- 非谓语动词作定语:非谓语动词作定语主要强调动作或状态,它们可以表示正在进行的动作(-ing 形式)、已完成的动作(-ed 形式)或将要进行的动作(to do 形式)。
- 定语从句:定语从句可以提供更丰富的语义信息,包括对被修饰词的进一步解释、限定或描述。
总的来说,非谓语动词作定语和定语从句在语法结构和表达方式上有所不同。
非谓语动词作定语更简洁,强调动作或状态;而定语从句更详细,提供更多的语义信息。
在使用时,需要根据具体语境和表达需要选择合适的结构。
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非谓语动词作定语一:如何轻松精准的做此类题呢只需把握住两点:一先看非谓语动词与其逻辑主语(即定语的先行词)之间的关系,主动与被动二看非谓语动词与谓动的时间关系1与谓动同时发生2在谓动之前3在将来发生二:做题步骤:先搞清非谓语动词与先行词之间的逻辑关系1如果是主动关系,再看时间,与谓动同时发生用doing 将来发生用to do2如果是被动再看时间,与谓语动词同时发生用being done 在谓动之前用done表将来用to be done(1)不定式表将来。
如:The car to be bought is for his sister。
(2)用来修饰被序数词、最高级或 no, all, any 等限定的中心词。
如:He is the best man to do the job。
She was the first woman to win the gold medal in the Olympic Games。
(3)用来修饰的词是抽象名词时用不定式,常见的有:ability,chance, idea,fact,excuse,promise,answer, reply,attempt, belief, way, reason, moment, time 等Do you have the ability to read and write in English?I have no chance to go sightseeing.二.分词作定语doing 主动进行being done 被动进行done 被动完成The houses being built are for the teachers。