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系动词和及物动词用法上的区别?

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系动词和及物动词用法上的区别?
系动词后接的是表语,及物动词后接的是宾语,怎么区分表语和宾语?
例如:look,既是系动词又是及物动词。在一句话中出现look后,怎样辨别它后面跟的词是表语还是宾语?
分清及物不及物动词:
分清动词的及物不及物是在英语学习中必须解决的首要问题.动词及物与不及物通常有以下几种情况:
a.主要用作及物动词.及物动词后面必须跟宾语.可以用于:"主+谓+宾";"主+谓+双宾";"主+谓+宾+宾补"结构.如:
He reached Paris the day before yesterday.
Please hand me the book over there.
They asked me to go fishing with them.
类似的还有:buy, catch, invent, found, like, observe, offer, prevent, promise, raise, find, forget, receive, regard, see, say, seat, supply, select, suppose, show, make, take, tell.
b.主要用作不及物的动词.不及物动词后面不跟宾语.只能用于:"主+谓"结构.
This is the room where I once lived.
类似的还有:agree, go, work, listen, look, come, die, belong, fall, exist, rise, arrive, sit, sail, hurry, fail, succeed.
c.既可以用作及物又可以用作不及物的动词,其意义不变.如begin 都是作"开始"讲.everybody , our game begins. let us begin our game. 类似的还有:start, answer, sing, close, consider, insist, read, learn, prepare, pay, hurt, improve.
d.既可以用作及物又可以用作不及物的动词,其意义完全不同.
这类动词作不及物动词是一个意义;而作及物动词时却是另一个意义.如lift作不及物动词时是指烟雾的"消散".we saw the mountain when the clouds lifted. 作及物动词时是"升高;举起".
He lifted his glass and drank.
类似的还有:beat vi.跳动 vt. 敲、打; grow vi.生长 vt. 种植
play vi.玩耍 vt. 打(牌、球),演奏 smell vi.发出(气味) vt. 嗅
ring vi.(电话、铃)响vt.打电话 speak vi.讲话 vt. 说(语言)
hang vi. 悬挂 vt. 绞死 operate vi.动手术 vt. 操作
在英语错误中,“及物动词+介词+宾语”(transitive verb+preposition+object),是常见的一种.所谓及物动词,就是谓语动词(predicative verb),不必通过介词引荐宾语.相反的,不及物动词(intransitive verb)是不带宾语的.有许多动词,虽然性质是及物的,但不一定要有宾语,如下列的①a和②a便是这种情形:
①a. We study every day.
b. Do you study English every day.
②a. Please write clearly next time.
b. Can you write your composition now?
如果本质上就是不及物动词,就不会有宾语;若要宾语,就要借介词之助,一起连用才行(不及物动词+宾语+介词),如③b和④b;③a和④a是错的;
*③a. The children are listening the music.
b. The children are listening to the music.
*④a. She is laughing the crippled man.
b. She is laughing at the crippled man.
反之,及物动词不必靠介词,就可以带宾语,如上述的①b和②b ,又如⑤和 ⑥:
⑤ John is giving a book to me.
⑥ Who will answer this question?
如果无意中把介词加上,就错了,如:
*⑦ Who will answer to this question?
下列这句从房地产广告中看到的句子,也犯了同样的错:
“We have many buyers awaiting for available units here.”
“Awaiting”是个及物动词,后面的介词“for”是多余的,要去掉;不然把“awaiting”改为“waiting for”也行.
许多人习惯上喜欢把介词加到及物动词后面,然后才带出宾语.最常见的是“emphasize/stress on/upon”和“discuss about”,如:
⑧ Singaporeans seem to have emphasized on material gains.
⑨ In our education system, we stress upon examination results.
⑩ World leaders spent a lot of time discussing about worsening economic problems.
显然的,这三句里的介词“on/upon”和“about”是多余的,不必要的.
下面是些类似的错误:
● The young must obey to their elders.
● Do not approach to that odd-looking man.
● The audience attacked on the rude speaker.
● Nothing can escape from his parents' eyes.
● Do you hope to serve for your nation?
● When did Susan marry with Paul?
介词“to, on, from, for, with”都要去掉才对.
为什么会有这些错误呢?主因是分不清楚及物动词和不及物动词的性质.其次,就是对同一个动词及其名词的句型有些混淆.解决之道有二.第一,要把“及物动词+宾语”和“不及物动词+介词+宾语”划分清楚,如:
 I did not answer him./ I did not reply to him.
 He reached Londan yesterday./ He arrived in London yesterday.
第二,把及物动词转化为名词,然后加上适当的介词和宾语,如:
 Don't approach such a person.
 Is oral practice a good approach to language teaching?
句子成分基本分为
主+系+表
主+谓+宾
所以在系词如be,get,turn...后面的是表语
在动词后的为宾语
表语是用来说明主语的身份、性质、品性、特征和状态的
在be动词或连系动词的后面,联系动词多为感官动词
look,sound,feel,smell ,become等
Her job is selling computers.
is是be动词,后面的selling computers就是表语
此句为动名词作表语
宾语是一个动作的对象,是接在实义动词后面的.
不过要注意的是是接在及物动词后面,不及物动词是没有宾语的
I bought a pen,买的对象是pen,所以pen就是宾语