15.　單數(shù)/復(fù)數(shù)Many year ago, dinosaur roamed the Earths.單詞需要從單數(shù)變?yōu)閺?fù)數(shù)，或者由復(fù)數(shù)變成單數(shù)。單數(shù)可數(shù)名詞單數(shù)可數(shù)名詞不能單獨使用，應(yīng)該將其變?yōu)閺?fù)數(shù)形式或者加上限定詞(a, the, my, his, her, Gary's, no, any, 1, 3, 50, most,等等)。

　　16.　拼寫錯誤主語、動詞或賓語有問題I want to buy something for my mother that she will like it. There was a terrible accident happen yesterday.句子的基本結(jié)構(gòu)有問題　缺少主語、動詞或賓語，或者這些成分重復(fù)。

　　17.　語氣與文章不符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.語氣與文章其他部分不相符可能是過于正式或者太不正式。

　　18.　代詞指代不明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.代詞所指代的指示詞(介詞所代替的名詞)不清楚。

　　19.　過于籠統(tǒng)We should use our resources on Earth because the Earth is getting worse.　句子或它所表達(dá)的意思過于籠統(tǒng)，不能提供多少信息。

　　20.　動詞時態(tài)錯誤Yesterday I will go to the store because tomorrow I needed some food.動詞時態(tài)不正確檢查一下是應(yīng)該用現(xiàn)在時、過去時、將來時還是完成時等等。

　　21.　選詞不恰當(dāng)I was late getting home because I lost my way.在這種情況下不應(yīng)該使用該詞可選擇更好的詞語或者所使用的詞語與文章的總體語氣不符。

　　22.　單詞形式不當(dāng)I want to creation a great web site so that I can becoming wealth.所使用的單詞的形式不正確檢查一下應(yīng)該使用該詞的名詞、形容詞或副詞形式的哪一種。

　　23.　用詞錯誤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.用詞錯誤或在此種情況下該詞不是最佳用詞。