决战2011高考英语专题讲义
It句型归纳1．Itis＋adj．(＋forsb．／sth．)＋todosth．用于此句型的形容词有：easy，hard，difficult，possible，?important，impossible，necessary，good，bad，exciting，?interesting，surprising等。如：Itisnecessarytochangeyourjob．Itwasveryhardforthemtowalksuchalongwayin?thesnow．2．Itis＋n．(＋forsb．／sth．)＋todosth．用于此句型的名词有：pity,shame,pleasure,one’sduty,one’s?job,fun,joy,goodmanners,badmanners等。如：Itisapityforyoutohavemissedsuchawonderful?play．Itisbadmannersfortheyoungtotakeuptheseats?fortheold．3．Itis＋adj．＋ofsb．＋todosth．?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,?silly,polite,impolite,friendly,foolish,clever等。如：Howsillyitwasofyoutogiveupsuchagood?chance！Itisfriendlyofthefamilytotrytomakemefeel?athomeintheirhouse．4．Itis＋adj．（＋n．）＋doingsth．?此句型中的形容词和名词常见的有：no／littleuse,no／muchgood,?useless等。如：It’snousecryingoverspiltmilk．5．Ittakessb．＋一段时间＋todosth．表示“做某事花费某人多长时间”。如：Ittookushalfanhourtoridetothetownbythe?sea．6．Itis＋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：ItisreportedthattheRussianPresidentwillvisit?Chinanextweek．7．It＋不及物动词＋that从句?此句型中不及物动词常见的有：seem，happen，appear，matter等。如：Itseemsthattherewillbeaheavysnowtomorrow．IthappenedthatImetmygoodfriendsinthemuseum?yesterday．8．强调句型：Itis＋被强调部分＋that／who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：Itwasunderthebedthatmybrotherhidtheball?thismorning．ItisMrBellwho／thatoftencomesandlooksafter?theoldman．9．Itis／hasbeen＋一段时间＋since从句。如：Itis／hasbeenthreeyearssincewesaweachother?last．10．Itis(high)timethatsb．didsth．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：It’ssixo’clock．Itishightimethatwewenthome?now．
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