句子构成的成分共分为九种:主语,谓语,宾语,表语,定语,状语,补语,同位语和插入语。
一、主语:句子的核心主体,通常位于谓语动词之前,表明一个句子是谁或何种情况所发出执行或是承受的。在写作中常做主语的有名词、代词、主语从句、V-ing 、To do五种。
1名词:Computers are now being widely used in almost all fields.
2代词:We are now living in an information-explosion era.
3主语从句:Whether sports stars should earn a high salary is still discussed heatedly.
4V-ing: Surfing the Internet offers a new way for people to relax themselves.
5To do: To protect the environment is everybodys business.
二、谓语:描述或阐述主语的情况,由动词来充当,常位于主语之后。
1表状态用系动词:As I see it, movie stars earning a high salary is unfair and unjustified.
2表动作用及物或不及物动词:The Internet has revolutionized peoples way of life. Taste differs.
3表拥有:人或物时用:have has 无生命的东西:there be
People have different views on this question.
There is no absolute agreement on this question.
4情态动词+动词原形:
In this way, teachers can never be replaced by computers.
三、宾语:及物动词或介词所指向的对象。在雅思写作中常做宾语的有名词、宾语从句、复合结构、V-ing 、To do五种。
1名词作宾语:International tourism promotes the economic development.
2宾语从句作宾语:Some people hold that air travel should be restricted.
3复合结构:The advanced medical technology has made it possible for people to live longer than ever possible before.
4 V-ing: Nobody can avoid being influenced by media.
5 To do: Some people want to work for a big company while others choose to work for a small one.
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