选择引导定语从句的引导词是学习定语从句的难点。巧用以下口诀,可化难为易。一看指人还是物,二看介词在何处; 三看句中作何用,四看是否属特殊。“一看指人还是物”: 指人时用who(作主语)、whom(作宾语)和whose(作定语,既指人又指物);that既可指人又可 Choosing the guide word of the guide attributive clause is the difficulty in learning the attributive clause. The following recipes can be used skillfully to make things difficult. When you look at people or things, you look at where the prepositions are; “A look at people or things”: When referring to people, they use who (as the subject), whom (as the subject), and whose (as the attributive, both referring to people and referencing things); that can mean both people and