one, that, it, the one用法解析1.itone that三者均可用作代词, 指代前面提到的名词。一般说来, it指代同名同物; one与that则指代同名异物。I have lost my umbrella; Im looking for it. （该句中it就是指前面的my umbrella）I have lost my umbrella; I think I must buy one. （one在该句中表泛指, 因为my umbrella已经丢了）The umbrella you bought is cheaper than that I bought. （that在该句中特指“the umbrella I bought”, 以区别“the umbrella you bought”）2. one与that虽可用来指代同名异物, 但one为泛指, 相当于aan名词; that为特指, 相当于the 名词。所以one所指代的名词的修饰语一般为 aan some any; that所指代的名词的修饰语往往是the
