雅思写作中的细节问题（一）
柳州满分家教讲解雅思写作中的细节问题。
1. 情态动词后的动词原形和动名词的使用出错
e.g. Another equally vital point to be considered is that building them may costs much money and energy.
这种错误可能是笔误，在雅思作文中偶尔出现不至于扣分，但是通篇都是这样的错误，那么肯定是有影响的。
e.g. Another point to be discussed is that more time spending on computersis harmful to children’s mental health.
“花更多时间在电脑上”这个动词短语作为主语应该要用动名词形式：
Another point to be discussed is that spending more time on computers is harmful to children’s mental health.
2. 标点符号用错
e.g. As far as I am concerned，people should take exercise and relax themselves on a weekly basis. Because it offers great opportunities to release their stress.
Because引导的句子做原因状语从句，既然是从句，那么前面就不应该使用句号使其独立成句，而应该改成逗号，because首字母小写。
3. 句子不完整
e.g. The most popular kind of transport was by road.
句中主语是the most popular kind of transport，谓语动词(系动词)是was，而byroad按照语法应该是方式状语，此句缺乏表语。
应改成：
The most popular kind of transport was road.
又如：Many factories in order to get more profits，which made waste water and waste gas.
去除目的状语“in order to get more profits”和非限制性定语从句“which made waste water and waste gas”， 剩下的是many factories，不能作为一个句子。根据此句想表达的意思，应改为：
Many factories in order to get more profits made waste water and waste gas.
4. 双谓语错句
There be句型属于双谓语错句高发句型，因为句中的be动词已经是谓语，而句子后面的动词通常是定语从句中的成分，故不能作为主句中的谓语。例句中同时出现了“were”和“study”，根据上面的分析，were应该是谓语，而study for career应该是定语从句，因此，例句应修正改成：
For those under 26，there were 80% students who studied for career. 或者For those under 26，there were 80% students studying for career.
又如：Causes for this phenomenon are comprehensive but the major reasons contribute to this problem can be identified from three perspectives. 应改成：
Causes for this phenomenon are comprehensive but the major reasons contributing/which contribute to this problem can be identified from three perspectives.
5. 主系表结构使用错误
e.g. We are impossible to make any progress without correcting the mistakes.
此句的主干结构是：we are impossible“我们是不可能”，表意不对。这种表达在英语中对应的句型是：It is…for…to…，所以应该改成：
It is impossible for us to make any progress without correcting the mistakes.
类似的错误例句还有：People are very convenient to get information on the Internet. His profession is a teacher.
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