(that, who, whom, whose, which)所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。
    1.Is he the man who/that wants to see you?(who / that在从句中作主语，指人)
    2.He is the man whom/ that I saw yesterday.(whom / that在从句中作宾语，指人)
    3.They rushed over to help the man whose car had broken down.(whose在句中作定语，指人)
    4.Please pass me the book whose (of which) cover is green.(whose在句中作定语，指物。若指物，它还可以同of which互换)
    5.The package (which / that) you are carrying is about to come unwrapped. 你拿的包快散了。(which / that在句中作carry的宾语，指物)
     (责任编辑：admin)