语法功底的强与弱能够在实际雅思写作中体现出来，语法基础好才能写出更加漂亮的文章来，让考官眼前一亮。想要夯实语法基础的考生就不妨来看看本文小编为大家带来的雅思写作语法之句子基本构成成分吧，从最基本的抓起，一定能够有所进步。
多数考生语法不好的原因，归根结底，不是学英语的学生的智商有问题，大部分是因为没有听懂，或者被语法中的各种专有名词和复杂区别给打败了。各种“从句”“非谓语动词”“独立主格”等貌似高大上的名词，以及讲解中这个“做成分”，那个是“短语”，这个是“某词性”，听了就感觉自己被砸到了。上来老师就告诉你：你听好了，时态有多少个，从句有多复杂。是个考生基本上都被砸晕了，试问还有谁有信心学下去。
然而，老师在教授的粗过程起着至关重要的角色，最重要的是要把握语法的深度，而不是把所有的东西全部倒给学生，生怕学生没有学到而来指责你。老师要教学生们分辨哪些是应该讲解的，要讲几个，用到哪一步，有些语法有没有必要都背熟，从句到底讲多深，是不是把所有特殊情况都讲到。
想要巩固语法知识，考生不得不投入一定的时间与精力，这样在写作中才会逐渐提高自己的写作水平。下面，我们就来简单了解几点语法知识点，可供参考学习。
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：Computersare now being widely used in almost all fields.
2 代词：Weare now living in an information-explosion era.
3 主语从句：Whether sports stars should earn a high salaryis still discussed heatedly.
4 V-ing:Surfing the Internetoffers a new way for people to relax themselves.
5 To do:To protect the environmentis everybody’s 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 people’s 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 isno 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 madeit 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.
四、表语：
接在系动词后，补充说明主语的情况又称为主语补足语。在写作中常做表语的有名词、形容词、V-ing、To do、从句五种。
1 名词：
The environmental problem is a serious problem in modern society.
2 形容词：
Time is fleetingand art is long.
3 V-ing:
The argument is convincing.
4 To do:
A possible solution isto set down effective laws.
5 从句：
One advantage of computers’ utilized in education is that they can enrich the traditional teaching method to a great extent.
五、定语：
修饰名词或类似于名词的词。一般翻译为“……..的”，表示事物性质或状态，分为前置或后置。在写作中常做定语的有形容词、名词、V-ing、To do、从句五种。
1 形容词：
Taking part-time jobs exerts profound impacts on one’s future career development.
2 名词：
Generation gap is now a problem we have to face.
名词做定语(名词修饰名词重要原则：第一个名词一般用单数)
以下为雅思写作常用名词修饰名词词组：
1 Information technology
2 Information center
3 Credit card
4 Generation gap
5 Beauty contest
6 Communication skills
7 Information age
8 Knowledge economy
9 Peace talks
10 Service industry
11Water scarcity
12 Survival skills
13 Press conference
14 Safety standard
15 Life insurance
16 Weather forecast
17 Reception desk
18 Coffee break
19 Body guard
20 Heart attack
21 Department store
22 Stock market
23 Office building
24 Science fiction
3 V-ing:
Clearly, we are now living in anupdatingsociety and the world is now witnessing somebreath-takingchanges.
4 To do:
Studying abroad provides students with a good opportunity to experience a totally different culture.
5 定语从句：
That is a good book which is opened with expectation and closed with profit.
六、状语：
修饰动词、形容词、副词或整句的词或句。按照功能分十一种：时间、地点、原因、目的、结果、方式、条件、让步、比较、伴随、评注。在写作中常做状语的有副词 、状语从句 、状语从句省略结构 、To do、V-ing、V-ed从句六种。
1 副词：
Honestly, I cannot give a yes-no answer to this question.
2 状语从句：
Where there is an open mind, there will always be frontier.
3 状语从句省略结构：
If so, the conclusion still remains questionable.
4 To do：
To solve this problem, people think up various solutions.
5 V-ing：
Technology is developing by leaps and bounds, making it possible for people to live better than ever before.
6 V-ed：
Encouraged to do so, children will experience better development.
七、补语：
主语补足语(补充说明主语的情况，又称表语)、宾语补足语(补充说明宾语的情况)在写作中常做宾语补足语的有形容词和To do 两种。
1 形容词：
Many people find this experience awful.
2 To do:
Advertisements often urge people to buy goods they do not need.
八、同位语：
句子中的两种成份表达同一种概念，即A=B称之为同位语。在写作中常做同位语的有名词和从句两种。
1 名词：
We should learn from the past,the mirror of the present and the hope of the future.
2 从句：
University students should bear total expenses for their tuition on the generalization that university students usually earn much more than people without a degree.
九、插入语
插入语是说话者对所表达意思的补充、强调、解释或者说话的态度，其位置灵活，常常用逗号或破折号与其它成分隔开，并且在语法上不影响其他成分。书面表达要求语言连贯、地道，恰当使用插入语，可以给文章增色不少。
在写作中常用的插入语如下：
1 Indeed 的确
2 Surely 无疑
3 However 然而
4 Obviously 显然
5 Frankly 坦率地说
6 Naturally 自然
7 Luckily (或happily)for somebody 算某人幸运
8 Fortunately/Luckily 幸好
9 Honestly 真的
10 Briefly 简单地说
11 Strange to say 说也奇怪
12 Needless to say 不用说
13 Most important of all 最为重要是
14 Worse still 更糟糕的是
15 In a few words(或in sum，in short) 简而言之
16 In other words 换句话说
以上就是雅思写作语法之句子基本构成成分的详细内容，考生们想要提高分数并不是一蹴而就的，考生要不断积累，不断练习，定会不断进步。希望考生们能够取得满意的雅思成绩，更多雅思备考经验我们将会陆续为大家更新，欢迎咨询我们的热线电话400-890-6000。
