北京环球雅思培训暑期班怎么样
环球教育雅思托福英语核心语法:主从复合句分享!主从复合句按照其语法功能(在复合句中担当的句子成分)可分为以下类
1.名词性从句(主、宾、表、同)(一个从句=一个名词)
2.形容词性从句(定语从句)(一个从句=一个形容词)
3.副词性从句(状语从句)(一个从句=一个副词)
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下面分类详细介绍三类从句
熟谙主从复合句——名词性从句
1.主语从句
主语从句在复合句中充当主语,大多数主语从句都可以用it代替,作形式主语,把主语从句置于句尾。that引导的主语从句可用it代替,that不可省。
01例1
That education is important is clear.(that不可省)
It is clear that education is important.(that不可省)
很明显,教育是很重要的。
02例2
That a round-trip to Mars would take more than a year is estimated.
It is estimated that a round-trip to Mars would take more than a year.
据估计,飞到火星来回的时间要超过一年。
03例3
Whether we should develop nuclear power plants is still doubtful
It is still doubtful whether we should develop nuclear power plants
是否应当发展核电厂仍然值得怀疑。
2.宾语从句
宾语从句在复合句中充当宾语,雅思写作中很常用,一般用来提出观点。
01例1
Some people hold that the development of tourism produces some adverse impacts on traditional culfure.
有些人认为发展旅游业会对传统文化产生负面影响。
02例2
Experts predict that tele-education will play an even more significant role in the prospective culture
预言远程教育将会在不久的将来起到更为重要的作用。
3.表语从句
表语从句放在连系动词后,充当复合句中的表语,一般结构是:“主语+连系动词+表语从句”。可以接表语从句的连系动词有be,look, remain,sem等。
雅思写作中表语从句两个常用句型请记好练熟:“ The reason why... is that.."(注意这里的that不能换作 because),"
It( this/that)is because…”。
01例1
The reason why the environment is deteriorating constantly is thatnowadays people still lack the awareness of environmental protection.
(定语从句+表语从句双管齐下,体现句式多样性!)
环境不断恶化的原因是现如今人们仍然缺乏环保意识。
02例2
The most practical countermeasure is that more rigid laws and regulations should be laid down to penalize the violators
较实际的对策是制定更严厉的法律法规来惩处违规者。
03例3
One of the potential problems is that constant job transition can not secure them a stable and bright jobob prospect.
一个潜在的问题是频繁的跳槽不能够增加他们有一个稳定辉煌的职业前景。
4.同位语从句
同位语从句在复合句中充当同位语,对其前面的名词作进一步解释,说明名词的具体内容。
雅思写作中常用的能接同位语从句的名词有: belief,fact,hope, doubt, ideas,news, conclusion, problem,likelihood。同位语从句一般由that引导,但也可以用关系代词(what, which, who),关系副词(when, where, why, how)或 whether/if引导
01例1
There is some doubt (as to) whether we should perform animal experimentation
对于我们是否应当进行动物实验仍然存在怀疑。
02例2
Einstein came to the conclusion that the maximum speed possible in the universe is that of light
爱因斯坦得出的结论是,宇宙中较大的速度是光速
03例3
What we should do, when we should do,how we should do —— these questions puzzled us all day long.
(作同位语的句子放在句首,后面要用破折号)
该做什么,什么时候做,怎样做——这些问题整天困扰着我们。
环球教育-课程体系完善,针对每一位学生-制定个性化提分方案,只要你想提分-就有适合你的课程,暑期班预报中点击咨询