(1)指示代词分单数和复数两种形式，既可作限定词又可做代词，例如：
单数复数
限定词：This girl is Mary. Those men are my teachers.
代词：This is Mary. Those are my teachers.
(2)指示代词的句法功能;
a.作主语
This is the way to do it.
这事儿就该这样做。
b.作宾语
I like this better than that.
我喜欢这个甚至那个。
c.作主语补语
My point is this.
我的观点就是如此。
d.作介词宾语
I dont say no to that.
我并未拒绝那个。
There is no fear of that.
那并不可怕。
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