小编为了帮助2018年
一、表示原因
1、There are three reasons for this。
2、The reasons for this are as follows。
3、The reason for this is obvious。
4、The reason for this is not far to seek。
5、The reason for this is that.。。
6、We have good reason to believe that.。。
例如:
There are three reasons for the changes that have taken place in our life. Firstly, people’slivingstandard has been greatly improved. Secondly, most people are well paid, and they can afford what they need or like. Last but not least, more and more people prefer to enjoy modern life。
注:如考生写第一个句子没有把握，可将其改写成两个句子。如:Great changes have taken place in our life. There are three reasons for this.这样写可以避免套用中的表达失误。
二、表示好处
1、It has the following advantages。
2、It does us a lot of good。
3、It benefits us quite a lot。
4、It is beneficial to us。
5、It is of great benefit to us。
例如:
Books are like friends. They can help us know the world better, and they can open our minds and widen our horizons. Therefore, reading extensively is of great benefit to us。
三、“不可否认”的句式
1、It’s undeniable that ... ... (不可否认的是... ...)
2、It’s indisputable that ... ... (不可否认的是... ...)
3、One indisputable fact is that ... ... (不可否认的是... ...)
4、We can’t deny the fact that ... ... (不可否认的是... ...)
四、表示重要、必要、困难、方便、可能
1、It is important(necessary, difficult, convenient, possible、for sb. to do sth。
2、We think it necessary to do sth。
3、It plays an important role in our life。
例如:
在线真题练习，专门解决练习量不够、机考不适应
真题练习系统，帮你及时攻克短板，丢分项变为出分点。必考题型、考试难点层层拆分，多维度精准对接考点，及时打分；海量真题在线练，并附超详细题目解析；还有独家视频逐题精讲，名师带你剖析重、难点，不放过任何一个漏分点。
Computers are now being used everywhere, whether in thegovernment,in schools or in business. Soon, computers will be found in every home, too. We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age。
五、表示措施
1、We should take someeffectivemeasures。
2、We should try our best to overcome (conquer、 the difficulties。
3、We should do our utmost in doing sth。
4、We should solve the problems that we are confronted(faced、with。
例如:
The housing problem that we are confronted with is becoming more and more serious. Therefore, we must take someeffectivemeasures to solve it。
六、表示假设
1、If wedestroyold buildings，then we will ruin the traditional culture and heritage。
如果我们推倒老房子，就要破坏传统的文化和遗产。
2、You would miss the chance to interact with other students if youused internetat home。
假如你在家上网，你就会失去与其他同学交流的机会。
3、Once you change your present job，you will be faced with the danger of being unemployed。
七、表示强调
1、It is for the benefit of maintaining the ecological balance that human beings ought to protect the endangered animal species.正是为了维持生态平衡，人类才应该保护地球上濒危的动物物种。
2、It is not until people suffer from some fatal diseases such as SARS and AIDS that they are becoming aware of how significant it is for thegovernmentto invest more money in medical care.直到人们患了像非典和爱滋病这样致命的疾病时，才意识到政府把更多的钱投入到医疗上的重要性。
3、Nothing in the world is more valuable than health.
八、表示比较
1、Compared with A, B.。。
2、I prefer to read rather than watch TV。
3、There is a striking contrast between them。
例如:
Compared with cars, bicycles have several advantages besides being affordable. Firstly, they do not consume natural resources of petroleum. Secondly, they do not cause the pollution problem. Last but not least, they contribute to people’s health by giving them due physical exercise。
九、表示数量
1、It has increased (decreased、 from...to.。。
2、The population in this city has now increased (decreased、 to 800,000.
3、The output of July in this factory increased by 15% compared with that of January。
例如:
With the improvement of thelivingstandard, the proportion of people’s income spent on food hasdecreasedwhile that spent on education has increased。
十、表示假设
1、If wedestroyold buildings, then we will ruin the traditional culture and heritage.
如果我们推倒老房子，就要破坏传统的文化和遗产。
2、You would miss the chance to interact with other students if youused internetat home.
假如你在家上网，你就会失去与其他同学交流的机会。
3、Once you change your present job, you will be faced with the danger of being unemployed.
一旦你变换了现在的工作，就面临着失业的危险。
另外有一则好消息，针对托福备考，