Question

it的用法

Answer 1

it的5种用法分别是：

1、指代性it一般是指人称代词it,it作人称代词时可指代事物、动物、婴儿、未知的

人或一件事。

2、不定式作主语，It's my pleasure(to help you).

3、it做先行词。

4、it做形式宾语。

5、引导强调句的it。

做形式主语基本句型

1.It+be+形容词+主语从句，如：It is ucertain whether he can come toJenny's birthday party or not.

2.It+be+名词词组+主语从句，这类名词有：a fact,a pity,a shame,an honour,aquestion等，如：It’s a pity that you missed the exciting footbal1 match.

It remains a question whether he will come or not.

3.It+be+过去分词+主语从句，这类过去分词有：

announced,.believed,,expected,hoped,decided,reported,.said,shom等，如：Itis

reported that 16 people were killed in the earthquake.It is not decided

who will give the operation to the patient.