2012 届高考英语二轮语法复习学案（代词）It 的用法１．作人称代词John likes playing Pingpong．/ He always does it in the afternoon．(指代上下文提到的事物)；/ It's time we went home. / How far is it from here to your home ? / It is getting warmer and warmer．/ It's very quiet at the moment．(可指时间、天气、环境等)２．引导词 Ａ．作形式主语，代替由不定式、动名词或从句表示的真正主语。 It's important for us to learn a second language．/ It's no use talking to him．/ It's known to all that the earth goes round the sun． B．作形式宾语，代替由不定式、动名词或从句表示的真正宾语。 We feel it our duty to help others．/ He made it clear that he would leave the city． C．强调结构：It is (was) +被强调部分＋that (或 who)… 注意: 在强调结构中，如被强调部分为时间状语或地点状语，其后的连接词也绝不能为when 或 where，而应用 that 。在复习中，一定要注意句式的不同。 It was in Shanghai that I bought the guitar．(that 引起强调句) It was Shanghai where I bought the guitar．(where 引起定从) It was twelve o'clock when we arrived there．(when 引起时间状语从句） It was at twelve o'clock that we arrived there．（that 引起强调句）3. it，one，that 的区别：作为代词，这三个词的对比使用是高考的热点之一。 NMET2000，23． ---Why don't we take a little break?---Didn't we just have __________? A．it B．thatC．one D．this NMET2001，25． The Parkers bought a new house but _________will need a lot of work before they can move in．A．they B．it C．one D．which one 用以指代同类事物中的任一，that 特指性强，指代可数与不可数词，而 it 指代上文提过的同一事物。不定代词不定代词种类较多，用法各异，在使用中一定要注意区别。1、both，either ，neither 都表两者范围，在句中作主语、宾语、定语 ，both 可用作同位语。 both 意为"两者都"，either 表"两者中任一个"，neither 表"两者都不"。2、any，none ，all 表三者或三者以上范围，any 表任何一个、一...
