It作形式主语和形式宾语的用法.doc

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1、It作形式主语和形式宾语的用法一、it作形式主语1.不定式作真正主语常用句式归纳：Itisnouse/good/need/helpdoing…做……没用处/没好处/没必要/没帮助；Itisgreatfundoing做……非常有趣；Itisawasteoftime/moneydoing做……简直是浪费时间/金钱的2.that从句作真正主语常用句式归纳：1）it+be+过去分词+that…Itisarguedthat…大家争论……；Itisassumedthat…假定……；Itisbelievedthat…大家相信……

2、；Itisagreedthat…大家同意……；Itishopedthat…大家希望……；Itis(well)knownthat…家喻户晓……；Itisreportedthat…据报道……；Itisrecommendedthat…据推荐……；Itisrumoredthat…谣传……；Itissaidthat…据说……；Itissuggestedthat…有人建议……；Itissupposedthat…大家推测……；Itisthoughtthat…大家认为……；Itistakenforgrantedthat………被视为

3、当然Itmustberememberedthat…务必记住……；Ithasbeendecidedthat…大家决定……。2)it+be+形容词+that…Itisclear/obviousthat……很明显；Itisimportantthat…重要的是……；Itissurprisingthat…令人惊讶的是…；Itisnecessarythat……有必要；Itisstrangethat………很奇怪；Itislikely/possiblethat……很可能。3）Itisagoodthing/news/afacttha

4、t………是好事情/好消息；事实是……。4）Itseems/appearsthat…好像是……；Itturnsoutthat…结果是……；Ithappenedthat…碰巧是……；Itoccurstomethat…我想到……Itstrikesmemostthat…令我印象深刻的是……；二、It作形式宾语1）常用句式归纳：主语+believe/guess/suppose/think/feel/find/discover/notice/make/consider…+it+宾补（a.）+真正主语（todo/从句）eg:Ge

5、orgemadeitclearthathedisagreed.2)特殊句式：seetoitthat…注意……；eg：Seetoitthatthewindowsareshutbeforeyouleave.oweitto…that…把……归功于……；takeitforgrantedthat…认为……理所当然。3)带it的习语：That’sit!这就对了。Ican’thelpit.我没办法。Youwillcatchit.你会受罚的。Wemustfightitout.我们必须战斗到底。