學會運用關系代詞是你學習英文過程中的一個重要的階段。學會少用它們則表明你取得了更大的進步。在校對你的作品時，仔細檢查一下所有的which’s, who’s that’s和whom’s是否必要。刪除不必要的關系代詞會使你的文章更精彩。
　　Example:
　　Unnecessary: It is a truth that is universally acknowledged that a single man in possession of a good fortune must be in want of a wife.
　　(用兩個 that’s，讀起來很別扭)
　　Better: It is a truth universally acknowledged that a single man in possession of a good fortune must be in want of a wife.
　　-- Jane Austin
　　注：被動語態修飾的名詞通常不須用關系代詞。
　　Unnecessary: In 1970 India dedicated a nuclear power plant near Bombay, which was built with American assistance.
　　Improved: In 1970 India dedicated a nuclear power plant near Bombay, built with American assistance.
　　Unnecessary: During this period, Churchill spoke for a nation which was undivided and curiously happy, as it has never been in my lifetime, before or since.
　　Improved: During this period, Churchill spoke for a nation undivided and curiously happy, as it has never been in my lifetime, before or since.
　　Unnecessary: Justice theories have a long tradition, which goes back to Plato and Aristotle in the 5th century B.C.
　　Improved: Justice theories have a long tradition, going back to Plato and Aristotle in the 5th century B.C.
　　Unnecessary: Shirley Temple’s father blew nearly the entire $3 million that she made by tap dancing which made her famous in the movies.
　　Improved: Shirley Temple’s father blew nearly the entire $3 million she made tap dancing her way to fame in the movies.
　　Unnecessary: We told them they were the victims who deserved sympathy the most.
　　Improved: We told them they were the victims, most deserving of sympathy.
　　Unnecessary: Only a person who is oblivious* to the facts of modern life would doubt the need of vocational education today.
　　Better: Only a person oblivious to the facts of modern life would doubt the need of vocational education today.
　　Unnecessary: Not everyone in North America likes the taste of green tea, whether it contains caffeine or not.
　　Better: With or without caffeine, not everyone in North America likes the taste of green tea.
　　Unnecessary: Usually the Washington family married people who were socially better off than themselves, but the second marriage of George’s father was an exception.
　　Better: Usually the Washingtons married their social betters, but the second marriage of George’s father was an exception.
　　Unnecessary: In some instances, a letter can take ten days by air and six to eight weeks by ship to reach the person to whom the letter is addressed.
　　Better: In some instances, a letter can take ten days by air and six to eight weeks by ship to reach its intended receiver.