1 陈词滥调 eg: It is okay for children to fail sometimes. 所表达的意思很普通 大多数人都已经知道到了，因而就没有必要再说出来。
　　2 标点符号使用问题 eg: I love animals. And I like to help them. Becausethey are helpless. So I want to become a vet. 这是一个非常普遍的问题！许多学生在句子中使用了太多的句号，尤其是用手写的时候。
　　3 重复冗余 eg: Personally, I believe what the newspaper prints. 一种意思的表述不止一次，或者某个词语不必要。
　　4 单数可数名词单独使用 单数 / 复数Many year ago, dinosaur roamed the Earths. 单词需要从单数变为复数，或者由复数变成单数。单数可数名词不能单独使用，应该将其变为复数形式或者加上限定词 (a, the, my, his, her, Gary's, no, any, 1, 3, 50, most, etc)。
　　5 缺少主语、动词或宾语等问题 eg: I want to buy something for my mother that shewill 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 eg: I was kind of mad at the guy who vociferatedangry words at me. I have heard many wonderful things about such cosmopolitancities as Paris, London, Tokyo, and Hong Kong and I would love to visit thesecities 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 代词指代不明确 eg: If people do not speak the same language, it hasa greater chance of miscommunication. I intend to complete my studies in theUnited 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 eg: We should use our resources on Earth because theEarth is getting worse. 句子所表达的意思过于笼统，不能提供多少信息。
　　9 动词时态不正确 eg: Yesterday I will go to the store becausetomorrow 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、将来时还是完成时等。
　　10 选词不恰当 eg: I was late getting home because I lost my way. 在这种情况下不应该使用该词，所使用的词语与文章的总体语气不符，可选择更好的词语。11 单词形式不恰当eg: I want to creation a great web site so that Ican becoming wealth.