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1、精品文档，仅供学习与交流，如有侵权请联系网站删除It 句型归纳1 It is adj(for sbsth) to do sth用于此句型的形容词有：easy， hard， difficult，possible，important， impossible， necessary， good， bad， exciting，interesting， surprising等。如：It is necessary to change your jobIt was very hard for them to walk such a long way inthe snow2 It is n(for sbsth)
2、 to do sth用于此句型的名词有： pity, shame, pleasure, ones duty, onesjob, fun, joy, good manners, bad manners等。如：It is a pity for you to have missed such a wonderfulplayIt is bad manners for the young to take up the seatsfor the old3 It is adjof sbto do sth此句型中的形容词主要描述某人的品德、特征。能用于该句型的形容词有：kind, nice, wise,sil
3、ly, polite, impolite, friendly, foolish, clever等。如：How silly it was of you to give up such a goodchance！It is friendly of the family to try to make me feelat home in their house4 It is adj（n）doing sth此句型中的形容词和名词常见的有：nolittle use, nomuch good,useless等。如：Its no use crying over spilt milk5It takes sb一段
4、时间to do sth 表示“做某事花费某人多长时间”。如：It took us half an hour to ride to the town by thesea6It is 及物动词的过去分词that从句此句型中常见的及物动词的过去分词有：said, told, known, reported,recorded, thought, believed, considered等。如：It is reported that the Russian President will visitChina next week7It 不及物动词that从句此句型中不及物动词常见的有：seem， happ
5、en， appear， matter等。如：It seems that there will be a heavy snow tomorrowIt happened that I met my good friends in the museumyesterday8强调句型：It is被强调部分thatwho从句在使用强调句型时要注意，指人时可以用who或that，其它情况一律用that。如：It was under the bed that my brother hid the ballthis morningIt is Mr Bell whothat often comes and looks afterthe old man9It ishas been一段时间since从句。如：It is has been three years since we saw each otherlast10It is (high) time that sb did sth该句型表示“某人现在该做某事了”，从句常用过去时（虚拟语气）说明现在应该做的事情。如：Its six oclockIt is high time that we went homenow【精品文档】第 页
