it 在句中作形式主语或形式宾语的替代用法
1. it作形式主语可以代替句中的动词不定式、动词-ing分词或一个句子。
It is important for us to learn English well. (it替代不定式to learn English)
It is no use making such an apology to us Chinese. ( It 替代动词-ing分词 making such an apology)
It is happy for her parents that she is well now. (it 替代句子that she is well now)
2. it作形式宾语可以代替句中的动词不定式,此时句中的谓语事由某些特殊动词 (如:findthinkfeel等)充当的。
I find it impossible to finish so much work in such a short time. (it 替代不定式to finish so much work)
that this在句中的替代用法
1、 that
A: I’m going to wear my new jeans to her party.
B: You can’t do that. (that替代to wear my new jeans to her party这一事情)
2. this
this 在介绍某人或某物时,指的是靠近自己的一方。
A: Hi, Mr. Smith, This is my friend, Bill.
B: Nice to meet you, Bill.
C: Nice to meet you, Mr. Smith.
This 在电话用语中指的是自己。
A: Hello, may I speak to Miss Li?
B: This is Miss Li speaking. (我就是李女士)
考试大编辑整理
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