一、不间断句子(Run-on Sentences)

什么叫run-on sentence?请看下面的例句。 例1. There are many ways we get to know the outside world. 剖析：这个句子包含了两层完整的意思：“There are many ways.” 以及“We get to know the outside world.”。简单地把它们连在一起就不妥当了。 改为： There are many ways for us to learn about the outside world. 或： There are many ways through which we can become acquainted with the outside world.

二、累赘(Redundancy)

言以简洁为贵。写句子没有一个多余的词;写段落没有一个无必要的句子。能用单词的不用词组;能用词组的不用从句或句子。如： In spite of the fact that he is lazy， I like him. 本句的“the fact that he is lazy”系同谓语从句，我们按照上述“能用词组的不用从句”可以改为：In spite of his laziness， I like him. 例1. For the people who are diligent and kind， money is just the thing to be used to buy the thing they need. 剖析：整个句子可以大大简化。 改为： Diligent， caring people use money only to buy what they need.

三、不连贯(Incoherence)

不连贯是指一个句子前言不对后语，或是结构上不畅通。这也是考生常犯的毛病。 例1. The fresh water， it is the most important things of the earth. 剖析：The fresh water 与逗号后的it 不连贯。It 与 things 在数方面不一致。 改为： Fresh water is the most important thing in the world.

四、不一致

所谓不一致不光指主谓不一致，它还包括了数的不一致时态不一致及代词不一致等。 例1. When one have money ，he can do what he want to . (人一旦有了钱，他就能想干什么就干什么。) 剖析：one是单数第三 人称，因而本句的have应改为has ;同理，want应改为wants.本句是典型的主谓不一致。 改为： Once one has money ，he can do what he wants (to do)