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英语句子成分一、英语句子的构成英语句子通常由七个成分组成,它们是:主语、谓语、宾语、定语、状语、表语、补语、还有同位语。即:主谓宾、定状表补。(一)主语主语是句子表述的对象,同汉语的主语,哪些词可以作主语呢?可以充当主语的词有:(下划线部分)1名词A mooncake is a delicious, round cake.The doctor looked over Mrs. Brown very carefully.China does not want to copy the USAs example.2代词Its a young forest.I dont know if it will grow.Thats a bit expensive.3数词One and two is three.Two will be enough.4不定式To give is better than to receive =Its better to give.为避免头重脚轻,常以 Its adj. to do sth. 形式出现,这时的it称为形式主语,不定式是真正主语:Its glad to see you again. It was difficult to say.5IT 作主语,有如下情况:1)指代刚刚提到的事物:Whats this? Its a bus.(指代what)2)指代一个你不知道或判断不清性别的人:Whos knocking the door? Its me. (指代 who)Whos the baby in the picture? Its my sister. (指代 who)3) 表示时间,天气,距离:Whats the time? Its eight oclock. (时间)Whats it going to be tomorrow? Its going to be rainy.(天气)How far is it? Its about one kilometre away. (距离)6 There be 句型中,因为是倒装结构,所以be 是谓语,主语位居其后。如:There are many different kinds of mooncakes.There will be a strong wind.(二)谓语谓语由动词构成,说明主语所发出的动作或具有的特征和状态。依据其在句中繁简程度可把谓语分为简单谓语和复合谓语两类。1. 凡由一个动词(或动词词组)构成的谓语都是简单谓语。例如:I made your birthday cake last night. It is used by travellers and business people all over the world.2. 复合谓语也可分为两种情况:第一种是由情态动词,助动词+不带to的动词不定式构成的复合谓语:Youd better catch a bus.Ill go and move away the bag of rice with Lin Tao.第二种是由系动词+表语构成的复合谓语。例如:You look the same.We are all here.He seemed rather tired last night.The weather gets wamer,and the days get longer. 注:1、系动词包括三种:be动词,表示“变得、变成”含义的词(become),表示“看起来,闻起来,听起来”等含义的词。 2、表语,即系动词后的名字,可以理解为宾语。(三)宾语1. 宾语是谓语动作所涉及的对象,它是谓语动作的承受者,例如: I saw a cat in the tree. She painted a girl on the paper.2. 宾语可以由名词或起名词作用的成分担任,宾语一般放在谓语动词后面,例如: I want a cake. He is playing basketball.3. 有些及物动词可以有两个宾语,其中一个宾语多指人,另一个宾语指物;指人的宾语叫做间接宾语,指物的宾语叫做直接宾语,间接宾语一般放在直接宾语的前面,如:My father bought me a book. (都是bought的宾语)Bring me a bottle of water, will you?如果强调直接宾语可把直接宾语放在间接宾语的前面,但间接宾语前须加to。 Give the rubber to me. Please give the letter to XiaoLi.4. 有些及物动词除跟一个宾语外,还需要加上宾语补足语(即宾补),否则意思不完整,它们一起构成复合宾语,如:We all call him LaoWang. (him宾语,LaoWang宾补)Please color it red. (red宾补)(四)定语定语,用于描述名词,代词,短语或从句的性质,特征范围等情况,相当于汉语中“的”,比如:big, small, black, beautiful等等。定语可以由名词,形容词和起名词或形容词作用的词、短语担任。如果定语是单个词,定语放在被修饰词的前面,如:That is a beautiful flower. Our country is a developing country. (发展中的)如果是词组,定语放在被修饰词的后面。There are more than twenty trees to take care of. (要照顾的树) I have a lot of things to do. (要做的事情)(五)状语状语,最好理解,就是用来说明事物发生的时间,地点,原因,目的,结果,方式,条件或伴随情况,程度等情况的词。如:He speaks English very well. (表示程度) He is playing under the tree. (表示地点) I come specially to see you. (表示目的)(六)表语表语是用来说明主语的性质,身份,特征和状态的词。表语必须和系动词一起构成句子的复合谓语,放在系动词之后。如:These desks are yellow. My work is teaching English, The dictionary is in the bag.(七)补语英语中补语的作用对象是主语和宾语,具有鲜明的定语性描写或限制性功能。补语是起补充说明作用的成份。最常见的是宾语补足语。如:1、We believe him to be guilty. (补充him的内容) 2、I found the classroom empty. (补充classroom的内容) 3、We hear him singing in the hall. (补充him的内容)(八)同位语一个名词(或其它形式)对另一个名词或代词进行解释或补充说明,这个名词(或其它形式)就是同位语。同位语与被它限定的词的格式要一致,并常常紧挨在一起。例如:Mr. Smith, our new teacher, is very kind to us. (作Mr. Smith的同位语)Yesterday I met Tom, a friend of my brothers.(作Tom的同位语)We Chinese people are brave and hard-working.(作we的同位语)He is interested in sports, especially ball games.(作sports的同位语)注意:同位语极易与补语混淆,他们的区别是: 去掉补语,则句子意思不完整,如补语部分的例句2,如果去掉补语empty,即:I found the classroom. 我发现教室。教室怎么了呢?什么情况?这些都不清楚,所以必须有补语。 但是,上面任何一句句子去掉同位语之后,你会发现并不影响句子理解,即句子含义还是完整的。
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