四找加一去,破解长难句

2020-12-09 05:25程明华
广东教育·高中 2020年11期
关键词:难句主干连词

程明华

英语阅读文章经常会有一些长难句,它们含有较多、较长的修饰成分、并列成分或者从句。其结构的复杂性往往会导致理解困难,而且还有针对长难句理解的考题。那么如何突破长难句呢?

一、找句子主干

不管句子有多长多复杂,它都是由主干和修饰成分组成的。主干是指主谓宾结构或主系表结构,是整个句子的骨架。而修饰成分在句中只起修饰或补充作用,它可能是单词、短语或从句,尤其是定语从句和状语从句。我们应跳读修饰成分,找出句子的主干并理解其意义,然后再理解修饰成分,便可长句短化,难句易化。如:

(2020年全国Ⅰ卷阅读C篇)According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.

解析:这个句子长达48个词,句子主干是:race walkers would burn about 800 calories per hour ,意為:竞走者每小时可消耗大约800卡路里。

二、找并列连词

有些长难句是由多个并列的句子成分或句子组成。找出并列连词,理清前后的逻辑关系,再根据语境正确理解句意。常见的并列连词有and, but, yet, while, so, for ,not only ... but also等。并列连词后很可能存在省略问题。如:

(2020年全国Ⅰ卷阅读D篇)These include plants that have sensors printed onto their leaves to show when theyre short of water and a plant that can detect harmful chemicals in groundwater.

解析:在句中找到and,分析谁跟谁并列;本句中显然是plants与a plant并列,句子主干是:These include plants and a plant. 句中的plants和a plant后分别跟有一个由that引导的定语从句。前句中的定语从句中还含有一个由when引导的宾语从句,作show的宾语。句意为:这些包括在叶子上印有传感器来显示何时缺水的植物,和可以检测到地下水中有害化学物质的植物。

三、找从句连词

区分主句与从句有助于整个句子的理解。从句前面有一个引导词,找到这个引导词就找到了从句,分析从句,弄清它是名词性从句、状语从句还是定语从句,理解句意。如:

(2020年全国Ⅰ卷阅读B篇)I imagine that, while money is indeed wonderful and necessary, rereading an authors work is the highest currency a reader can pay them.

解析:句中that在动词imagine后,引导一个宾语从句;在宾语从句中又有由一个while引导的让步状语从句,还有一个省略了关系代词that的定语从句a reader can pay them,修饰currency。句意是:我想,虽然金钱确实是美妙的和必要的,但是重读作者的作品是读者能支付给他们的最高报酬。

四、找名词

在长句中,名词后只要不是谓语动词,一般都是定语或同位语等,对其进行修饰限定或补充说明。寻找名词,去掉其后的修饰成分,就可简化句子。如:

(2020年全国Ⅰ卷阅读C篇)As a result, she says, some of the injuries associated with running, such as runners knee, are uncommon among race walkers.

解析:名词the injuries后面的associated with running是过去分词作定语, such as runners knee是举例说明具体的伤害。简化了的句子是some of the injuries are uncommon among race walkers. 句意是:因此,她说,一些与跑步有关的损伤,比如跑步者的膝盖,在竞走者中并不常见。

五、去插入成分

为了交代某句话是谁说的或者是说话人的身份,或解释、说明前面的内容,句子中带有插入成分。此时要先看主句,再看插入成分。如:

(2020年全国Ⅰ卷阅读C篇)Its this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.

解析:去掉says Jaclyn Norberg和他的同位语an assistant professor of exercise science at Salem State University in Salem, Mass,该句就是强调主语this strange form的强调句。句意为:然而,正是这种奇怪的形式使竞走成为一项吸引人的活动,马萨诸塞州塞勒姆州立大学运动科学助理教授Jaclyn Norberg这样说。

(2020年全国Ⅰ卷阅读D篇)Since lighting is often far removed from the power source(电源)——such as the distance from a power plant to street lamps on a remote highway——a lot of energy is lost during transmission.

解析:破折号之间的内容是举例说明照明远离电源,是插入成分,可去掉;since引导原因状语从句,从句去掉,其余的a lot of energy is lost during transmission是主句。句意是:因为照明通常远离电源,例如从发电厂到偏僻公路上路灯的距离,在传输过程中会损失大量能源。

英语阅读中的长难句是一个比较复杂的语言现象,我们要综合运用上述方法去准确理解和分析,使长难句不再成为阅读的障碍。

责任编辑 蒋小青

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