B．在定语从句中, 介词+关系代词引导定语从句指物时, 只能用 which 不能用 that。
（请同学们给出上面两种情况的例句。）
5．对于“介词+关系代词”引导宾语从句, 如何选介词这个问题, 可归纳为下面几点：
A．根据宾语从句谓语动词的习惯搭配。如：Do you know the man with whom you just shook hands?
（句中的 with 来自习惯搭配 shake hands with）
B．由先行词来决定。如： I'll never forget the day on which I joined the Party.
C．由句子表达的全部意义来确定。如：Water is very important for us without which we can't live.
6．有下面两种情况：
A．先行词 all, any 和 a few 指人时, 如：
Any who breaks the law will be punished.
B．先行词是 this, that, those 或 these 且指人时。
Those who hadn't bought the ticket for the train crowded in the waiting hall.
7．请看下面句子, 然后分析一下：
A．The engineer whose son is in America is very kind.
B．Look at the house whose roof is red.
8．请看下面句子, 然后分析一下：
A．I'll go to any place where people need me.
B．I still remember the day when I joined the army.
C．I don't know the reason why he was late.
9．那么, 表示地点、时间的名词后面都被关系副词引导的定语从句所修饰吗？
10．我们知道 as 也可作为关系代词, 引导定语从句, 包括非限制性定语从句和限制性定语从句, 井且多与 such, the same as 并用。 （请同学们翻译下列的句子。）
A．我们知道, 指南针最早是中国人发明的。
B．这支钢笔和我昨天丢的那支很相似。
C．他们今年生产的钢和去年一样多。
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