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人教2003课标版《Learning about Language》最新PPT课件优质课下载
gentleman.
Proverbs(谚语) with “It”
1.It gets dark very early in the winter.
2.I love spring---It’s a wonderful time of the year.
3.It’s less than 100 kilometres from here to Jinan.
4.When the factory closes, it will mean 500 people losing their jobs.
5.The little baby is crying.It must be hungry.
：用作代词
What does “it” refer to?
指代天气
指代季节
指代距离
代替前面提到的事物
指代婴儿（性 别不明）
当______、 ______ 、 ______ ___等用作句子主语时，为避免头重脚轻，保持句子平衡，通常把真正的主语放在句末，而在句首用 ______ 作形式主语。
（1） It is difficult ( for him) to stop smoking.
( 2 ) It is no good sleeping in class.
（3 ）It is a pity that you didn’t read the book.
It is + adj/n.+( for sb. )+ to do sth/doing/that-clause (...对于某人来说是...)
___________________________________
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: 此处adj. 通常为描述事物的形容词：easy，difficult，hard，necessary，possible，impossible，likely，important...
此处名词通常为:a pity/a duty/a fact/ an honour...
不定式
动名词