例子：I was able to raise my TOEFL score by studying hard and I read lots of books.
将一系列的单词连接起来的时候，应当使用词性相同或同一类型的短语。
2.不知所云
例子：Many companies began using computers mouth.
3.段落过长，不分段，主语与动词一致问题
例子：She are a good friend of mine that I has known for a long time.
主语和动词不一致。
4.句子别扭
例子：We heated the soup in the microwave for too long and the shape of the container changed.
措辞过长或不清。换言之，句子显得滑稽可笑。
5.拼写错误主语、动词或宾语有问题
例子：I want to buy something for my mother that she will like it. There was a terrible accident happen yesterday.
句子的基本结构有问题，缺少主语、动词或宾语，或者这些成分重复。
6.语气与文章不符
例子：I was kind of mad at the guy who vociferated angry words at me. I have heard many wonderful things about such cosmopolitan cities as Paris, London, Tokyo, and Hong Kong and I would love to visit these cities to check them out.
语气与文章其他部分不相符，可能是过于正式或者太不正式。
7.代词指代不明
例子：If people do not speak the same language, it has a greater chance of miscommunication. I intend to complete my studies in the United States because they have good programs there.
代词所指代的指示词(介词所代替的名词)不清楚。
8.过于笼统
例子：We should use our resources on Earth because the Earth is getting worse.
句子或者所表达的意思过于笼统，不能提供多少信息。
9.动词时态错误
例子：Yesterday I will go to the store because tomorrow I needed some food.
动词时态不正确，检查一下是应该用现在时、过去时、将来时或者是完成时等等。
10.介词多余
例子：I would like to discuss about something important that you mentioned about to me during yesterday. We went to downtown yesterday to buy a watch. When I first came to the US, I did not have a lot of friends in here. In class, my classmate never mentioned about her husband.
例子：I would like to study in America because all modern technology originated there.
传递信息不正确，或者让人听起来觉得可能不正确(如果确实是正确的，应当解释为什么这样，因为读者不认为是正确的)。上述例句中，all的意思是百分之百，我们不能绝对地说每一件新东西都是从美国诞生的。为保险起见，应当使用many或most。非英语单词Computers are very helpful and advantageable，尽管看起来像个单词，其实不是，至少不是个英文单词。使用这个单词的另一种形式。
20.选词不恰当
例子：I was late getting home because I lost my way.
在这种情况下不应该使用该词，可选择更好的词语。
21.单词形式不当
例子：I want to creation a great web site so that I can becoming wealth.
所使用的单词的形式不正确，检查一下应该使用该词的名词、形容词或副词形式的哪一种。
22.用词错误
例子：Even I don’t speak Spanish, I was able to find a bathroom in the department store. I gained a lot of pounds during vacation.
