如题所述
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.
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