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以下是小编整理的雅思写作用到哪些从句范文(精选三篇)，仅供参考，大家一起来看看吧。
雅思写作用到哪些从句1
1.that ——用来指人或物 I personally think that some people do have talents that are probably inherited via their genes. But there are various other measures that could be implemented that would have a huge effect on these problems. It takes ten days for each egg to become a silkworm larva that feeds on mulberry leaves. Find someone thatcan assist the students to improve their social skills. 2.who —— 用来指人 The students, who have acquired practical skills, can hunt for jobs in a short time. Some people believe that innate talent is what differentiates a person who has been trained to play a sport or an instrument, from those who become good players. As the policy would also affect the cost of public transport, it would be very unpopular with everyone who needs to travel on the roads. 3.which ——用来指物 France used coal as a source for only 25 units of electricity in 1980, which was matched by natural gas. But by nuclear power, which was not used at all in Australia, had developed into the main source, producing almost 75% of electricity, at 126 units. 4.where ——用来指地方 The biggest gender difference is at the lowest post-school level, where 90% of those who held a skilled vocational diploma were men. 5.when ——用来指时间 This cost decreased to only 5% of total expenditure in 1991 but rose dramatically in when it represented 23% of the school budget. 6.whose ?——用来指所有 The result was a remarkably cohesive ensemble whose members seemed to have telepathic powers of communication. Consumers, whose purchases account for about 70% of economic activity, face a variety of challenges. 7.why——用在the reason / reasons 后面 The pie chart shows the main reasons why agricultural land becomes less productive. There are two important reasons why the Underground is safer than the overground railways. 定语从句什么时候加逗号，什么时候不加逗号?这是一个让很多学生位置抓狂的事情。其实，只需记住下面这个表格，逗号就不会再成为你的困惑! 限定性定语从句： 1.在名词后面给出限定名词的信息。 Find someone that can assist the students to improve their social skills. 2.如果没有这些关系从句，所指的人，地点或物都是不清楚的。 Find someone that can assist the students to improve their social skills. (we do not know who) 3.关系代词指的限定性关系从句中的宾语从句中的宾语时，可以省略。 Maybe there"s a method (that) students can use. 非限定性定语从句从句： 1.给出事物额外信息。 The students, who have acquired practical skills, can hunt for jobs in a short time. 2.不使用that France used coal as a source for only 25 units of electricity in 1980, which was matched by natural gas.(which 不能换成that)。 3.必须要逗号来隔开从句和主句。 But by 2000 nuclear power, which was not used at all in Australia, had developed into the main source, producing almost 75% of electricity, at 126 units. (逗号不能省略) 4.不能省略关系代词。 The biggest gender difference is at the lowest post-school level, where 90% of those who held a skilled vocational diploma were men. (not The biggest gender difference is at the lowest post-school level, 90% of those who held a skilled vocational diploma were men)
雅思写作用到哪些从句2
像这样由句子担当定语，对被修饰的先行词进行有限定制约，使该词的含义更具体，更明确，我们称之为限定性定语从句，下面我们结合例句进行对比学习：
a)I don’t like lazy people(形容词做定语放在名词前面).
b)I don’t like the people who never keep their words. 我不喜欢从不遵守诺言的人.
在限定性定语从句中，有两个比较重要的概念。以b句为例,独立主句是：I don’t like the people;定语从句为“who never keep their words”，相当于一个形容词，做定语修饰名词“the people”， 且从句和主句是由who来连接的。在定语从句中，“the people”被称为先行词，指被定语从句所修饰或限制的对象。“who”被称为关系词即重复指代先行词，并在定语从句中充当一定成分的连词。
从上面的解析不难看出，关系词在限定性定语从句中很重要，是连接主句和从句的关键。关系词可以分为关系代词和关系副词，下面我们一起来进行具体的学习。
I.关系代词主要有：who, whom, whose, which, that.
A. 当先行词为人时，可用关系代词who,whom,whose 和that.
a. 若关系代词在从句中做主语时，选用 who 或that.
eg：The woman is a responsible teacher who /that is loved by her students.
= The woman is a responsible teacher and she is loved by her students.
b. 若关系代词在从句中做宾语时，选用 whom(首选),who 或that.
eg: The girl whom we are talking about is a good friend of us.
c. 若关系代词在从句中做定语,表示人的所有关系时，选用 whose 或of whom.
Eg:I know a friend whose sister is a famous dancer.
= I know a friend. His sister is a famous dancer. (whose 代替了his,指人 friend)
B.当先行词为物时，可用关系代词which, that 或whose.
a. 若关系代词在从句中做主语或宾语时，选用 which 或that.
Eg:These are the trees which / that are destroyed in the fire(做主语).
b. 若关系代词在从句中做定语,表示物的所有关系时，选用 whose 或of which.
Eg:The children saw an elephant whose legs were hurt badly.
综上所述，当先行词为人和物时，若在从句中做主语或是宾语，这时可用选用关系代词that，做定语时用whose.
II. 关系副词主要有：where,when 和why.
A. 当先行词为表示地点的名词时，定语从句由副词where引导.
In the sixth century BC, ancient Greece was a country where there were a lot of new ideas.
B. 当先行词为表示时间的名词时，定语从句由副词when引导.
Plato lived at a time when philosophy was very fashionable.
C. 当先行词为表示原因的名词时，定语从句由副词why引导.
Can you tell me the reason why you lied to me?
需要注意的是，限制性定语从句不能被省略，否则句意就不完整，例如I met someone who said he knows you.
雅思写作用到哪些从句3
很多中国考生认为因为which使用次数更少，所以在定语从句中which会比that使用分数更高，这其实是一个误区，因为which不能取代that在所有的定语从句中的使用。
A. 可共用的e799bee5baa6e79fa5e98193e78988e69d8331333365653739地方——指代一般物
例如：
The amount of the rubbish that we produce is increasing at an alarming rate.
在这句话中，that就可以用which取代，而且建议考生当that和which在定语从句中充当宾语的情况下能省略就省略。
再如：
The problem that has been under debate for several decades is that the basic facilities and infrastructureare unlikely to satisfy the needs of more tourists.
B. 不能共用的地方——只能用which，不能用that
例如：
Students living in their own homes would live a more comfortable life and have more opportunities to communicate with their parents, which has a beneficial impact on the development of their personalcharacter.
再如：
Television, the most pervasive means of entertainment for the average public, is advancing towards an entirely new era, an era of extraordinary sophistication and versatility, which is likely to reshape the world.
在这两句话中，which都是不可以用that取代的，因为which在文章中指代的是前面的整句话，所以which后面的谓语动词用的也是单三形式。当which在从句里面用来表示前面整句话造成的影响时，which前面要用逗号，谓语动词用单数。
C. 只能使用that，不能使用which的地方
1. 当先行词为all、little、much、few、everything、none等不定代词时关系代词用that而不用which。
Many people hold the view that they can do nothing to protect the fragile environment, andeverything that does have good impacts on the environment can only be implemented with the political will.
There would be few that could pursue a career without future.
2. 当先行词既有人又有物时，关系代词用that，不用which。
There are a great number of ignorant people and large companies that sacrifice the environment to get the maximum profits.
The most important thing is concerned with the reaction of workers and factories that do not agree with this new scheme.
3. 当先行词有形容词最高级修饰时，关系代词用that，而不用which。
Many people have extraordinary willingness to bombard their brains with new experiences, while others avoid the latest things that they think would make them have the feeling of fear.
4. 当先行词有序数词修饰时，关系代词用that，不用which。
The first sight that was caught at the Great Wall has made a lasting impression on him.
The first impression that you leave to the interviewer is the most important thing that determines whether you are admitted by the company.
5. 当先行词被the only, the very, the same, the right等修饰时，关系代词用that，不用which。
Travelling exposes the students to a variety of cultures and natural beauty by themselves, the very experience that school education cannot provide to them.
This is the very hotel that we lived last year.
6. 当先行词被all, every, any, much, little, few, no等修饰时，关系代词用that，不用which。
Much of the blame that needs to be taken should be placed on tourists themselves, who foolishly clambered all over the revered Buddha statues.
Every child that has auditory deficit would have difficulty in learning to reach the maximum potential.
7. 当主句是以which开头的特殊问句时，定语从句关系代词一般用that而不用which.
Which of the books that had pictures was worth reading?
Many people wonder which of the problems that they are facing is the most pressing one and should be researched and solved immediately.
8. 指代人时，只可以使用that以及who，而不可以使用which。
In my opinion, there are plenty of opportunities for everyone in our society, but only thosethat are adequately prepared and highly qualified can make full use of them.
that不可以用which取代，因为that前面的先行词是人，所以只能用that或者who来引导。
9. 在强调句型“It is ... that ...”中，只用that，不用which。
It is the lack of financial incentive that is responsible for the shortage of talents in the athletic field.
It is talent that determines whether a person can succeed in any field, particularly in theartistic and mathematic field.
