(五)、假设句

1、If we destroy old 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 you used internet at 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。

(六)、倒装句

1、Only in this way can the problem be tackled properly. 只有这样才能妥善地解决这个问题。

2、Only when children take arduous efforts can they become successful. 只有当孩子们付出艰苦的努力他们才能获得成功。

3、Not only does studying in school serve academic purpose, but students learn how to handle interpersonal relations. 在校学习不仅为了学术目的，而且还可以学会如何处理人际关系。

4、Under no circumstances should youngsters follow negative information on mass media blindly. 青少年决不应当盲从大众媒体上的不良信息。

5、So valuable is water that we cannot afford to waste it. 时间是如此珍贵，我们经不起浪费它。

6、Nowadays, most dangerous for youngsters is the tendency to indulge in playing PC games. 如今对青少年最为危险的事情是倾向于过多地玩电脑游戏。

(七)、强调句

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 the government to 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)、比较句

1、Studies show that juvenile delinquency rates are twice as high for youngsters from single-parent families as for those in traditional households. (同级比较)研究表明来自单亲家庭的青少年犯罪率是来自传统家庭的两倍。

2、Generally speaking, people in modern times enjoy less leisure time than they did previously. (比较级)一般说来，现代人比过去享有更少的休闲时间。

3、Compared with those with different abilities, children with intelligence do more well in their school work and intelligence tests. 与不同能力的孩子相比，聪明的孩子在学业和智力测验方面表现更加突出。

4、Contrary to pop stars, other professionals like doctors and teachers create the true value for their society. 与明星不同，其他专业人员如医生和教师为社会创造了真正的价值。

5、Air is to human what (as) water is to fish. 空气对人类就如同水对鱼一样。

(九)、插入语

1、Computers, most important of all, create wide communication around the world. 最重要的是，计算机在世界范围内建立了广泛的交流。

2、Providing more parking areas, in the long run, has proved to be a practical way out in many large cities in the world. 从长远的利益来看，提供更多的停车位被证实是许多世界大城市切实可行的出路。

3、Observing local culture, consciously and unconsciously, can reduce the chance of offending the locals, or it will lead to the embarrassment and even conflict. 无论是否意识到，遵循当地的文化可以减少冒犯当地人的机会，否则，就会导致尴尬甚至冲突。

4、Space exploration, some people believe, will bring some unexpected discoveries. 有人相信空间探索将会带来意想不到的发现。

(十)、原因句

1、Violent films can do harm to young people, because they contains numerous negative information. 暴力影片对年轻人是有害的，因为其中包含大量负面信息。

2、Human beings are chiefly responsible for wild animal extinction. 野生动物灭绝的主要责任在人类。

3、We should attribute (ascribe)medical advances to the animals which do substantial contributions to the experiment. 我们应该把医学的发展归因于动物对实验做出的巨大贡献。

4、Because of overpopulation, water shortage has become one of the most serious problems. 由于人口过剩，水短缺已经成为一个最严重的问题。

5、Owing to the fierce competition in today’s world, a great many young people find themselves under great pressure. 由于当今世界的激烈竞争，大量的年轻人承受巨大的压力。