①It is rude for the young to make fun of their elders.
②It was very kind of your uncle to give us a lift in his car.
①It seems that he is ill.
②It happened that he wasn’t at home.
8.形式宾语it的用法
I+believe(make,consider,regard,suppose,feel,think,find,…)+it+宾语补足语+to do如:I think it important to work hard every day。
9.用于强调结构
要强调句子的某一部分(通常是主语、状语、宾语),可以把it当作先行词。这种句子的结构是“It is(was)+被强调部分+that(who,whom)+句子的其余部分。”如果强调的部分是人,可用who,whom代替that。例如:
It is Prof.Lin who teaches us English.(强调主语)
It is English that Prof.Lin teaches us.(强调宾语)
It was in Shanghai that I saw the film.(强调状语)
It was in 1975 that I worked in a factory.(强调状语)
【考例1】2006全国高考Ⅰ,26If I can help_____,I don’t like working late into the night.
A.so
B.that
C.it
D.them
解析: if I can help it意为“如果我有办法”,表示有办法做某事,或有办法控制某个局面。所提供的情景“I don’t like working late into the night”说明如果有办法,不喜欢工作到深夜。so意为“这样”,常用于省略句中,代替上文中的动作。that用于代替上文的内容。
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