1. It is important to know your limitations
2. It is no use crying over spilt milk.
3. It is still a question how many people will believe you
4. It is strange that most students pass the exam.
8. It is a pity that he didn’t attend my birthday party.
形式主语
… possible It is / was + adj. necessary + ( for sb. ) to do sth. / clause important
A. that B. it C. this D. him
Sentence patterns:
…
…
find
possible
1. S+ think + it + necessary +( for sb. ) to do sth./clause
feel
important
…
…
形式宾语2
I think it his duty to clean the blackboard.
包含介词的动词短语(如see to, depend on等)后接宾 语从句,必须先由it担任形式宾语,再接从句.
Sentence 1.I like (enjoy, hate…) it when…. patterns: 2.I would appreciate it if…
3.…see to (depend on…) it that…
总结it作为代词的用法：
it可用来指代前文提到的人,物 或事情,也可以用来指时间, 金钱,距离,天气等自然现象
•
二、形式宾语:
形式宾语1
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting.(05全国)
一、基本用法:
1. it作人称代词
1.Who’s it? _________me. 2.Look at the picture. _____is a picture of our
school. 3.-Is this jacket yours? ---Yes, ______ is. 4.Look that lovely baby in the cradle! Oh, dear. It
5. It is said that he has come to Beijing
6. It is suggested that the meeting (should) be put off.
7. It happened that he met his teacher in the street.
形式宾语特殊用法
I like _C__ in the autumn when the weather is clear and
bright.(04全国) A. this B. that C. it D. one
点拨:这是it作形式宾语的一种特殊用法.少数动词(如
like, love, enjoy, dislike, hate, appreciate等)或
an honour …
3. S + V + it + no good + doing sth. no use
形式宾语归纳
该句型中的it 作形式宾语，记忆方便---“6123结构”。
6 主句中常用的动词： think,believe,make,find,consider,feel； 1 形式宾语it； 2 宾补的两种形式：形容词或名词； 3 真正宾语的三种形式：
…
…
find
possible
1. S+ think + it + necessary +( for sb. ) to do sth. /clause
feel
important
…
…
…
a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /clause
①不定式短语②动名词短语③引导的宾语从句。 We think it our duty to clean our classroom. He felt it important learning English well. They found it difficult that they would finish their work in two days.
Sentence patterns:
2. S+ V + it +
… a rule
one’s duty + ( for sb. ) to do sth. /clause an honour
…
3. S + V + it + no good + doing sth. no use
形式宾语句型 Sentence patterns:
动词 +it + that enjoy, like, / love, dislike, appreciate hate, see to / depend on 例 I hate it you can dance so well but I can't.
三、形式主语:
指出it在下列句中分别指代什 么
is crying. A：Who's it (knocking at the door)? B: It's me. It 在例句1,2 可指代上文提到的 ___________/___________,3)用于代替指示代词 ________4) 指代_________
2.非人称代词it
1.It is half past eight now. 时间 2. It is only half an hour’s walk from here to our school. 距离 3. I hope that it will be fine morrow天. 气 4. It’s spring now. 季节 5.It’s quiet here. 环境