七、錯誤的代名詞使用（Incorrect Pronoun Case）：很常遇到的情況就是代名詞到底是要用主詞還是受詞、還是所有詞？這在寫作比較容易避免，但其實也很常發生在口說的問題中，所以就從現在開始注意這些小細節吧！
原始版本：Castroʼs communist principles inevitably led to an ideological conflict between he and President Kennedy.
修正版本：Castroʼs communist principles inevitably led to an ideological conflict between him and President Kennedy.
原始版本：Because strict constructionists recommend fidelity to the Constitution as written, no one objects more than them to judicial reinterpretation.
修正版本：Because strict constructionists recommend fidelity to the Constitution as written, no one objects more than they to judicial reinterpretation.
原始版本：When it comes to eating people differ in their tastes.
修正版本：When it comes to eating, people differ in their tastes.
原始版本： The Huns who were Mongolian invaded Gaul in 451.
修正版本： The Huns, who were Mongolian, invaded Gaul in 451. [“Who were Mongolian” 雖然有提供說明，但是並不影響整句的語意，屬於非限定子句，所以要用逗點隔開喔！]
原始版本：Field trips are required, in several courses, such as, botany and geology.
修正版本：Field trips are required in several courses, such as botany and geology.
原始版本：The term “scientific illiteracy,” has become almost a cliché in educational circles.
修正版本：The term “scientific illiteracy” has become almost a cliché in educational circles.
原始版本：In 1952 Japanʼs gross national product was one third that of France, by the late 1970s it was larger than the GNPs of France and Britain combined.
修正版本： In 1952 Japanʼs gross national product was one third that of France. By the late 1970s it was larger than the GNPs of France and Britain combined.
原始版本：Diseased coronary arteries are often surgically bypassed, however half of bypass grafts fail within ten years.
修正版本：Diseased coronary arteries are often surgically bypassed; however, half of bypass grafts fail within ten years.
原始版本：In the current conflict its uncertain whoʼs borders their contesting.
修正版本：In the current conflict it is [itʼs] uncertain whose borders they are [theyʼre] contesting.
原始版本：The Aztecs ritualʼs of renewal increased in frequency over the course of time.
修正版本： The Aztecsʼ rituals of renewal increased in frequency over the course of time.
十二、使用易混淆字（Words Easily Confused）：例如Effect(效果；名詞)Affect(影響；動詞)，還有Lead/Led以及accept/except等等，這些一旦用錯整個意思就會差到十萬八千里遠囉，這就要靠平常單字量的累積來避免了！
原始版本：The recession had a negative affect on sales.
修正版本：The recession had a negative effect on sales. (or) The recession affected sales negatively.
原始版本：The laboratory instructor choose not to offer detailed advise.
修正版本：The laboratory instructor chose not to offer detailed advice.