名词性从句中的句型结构

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1、名词性从句中的句型结构UnitTwo主语从句It作形式主语的几种主语从句Itbe+adj.+that…Itbe+noun+that…It+verb.+that…Itbe+p.p+that…Itis+adj.+从句It’scertainthat…肯定…It’ssurethat…(x)Itispossiblethat...很可能…sbbepossibletodo(x)Itis(un)likelythat...(不）可能=sbbelikelytodo(v)Itisobviousthat…很明显…Itisclearthat…很清楚…Itisimportant(vital,

2、necessary,essential,surprisingnatural,strange，…)that+….(should)do…虚拟语气Itis+n.+从句It’snowonderthat…难怪….Itisapity/shamethat...遗憾的是……Itisasurprisethat…令人惊奇的是…Itisafactthat……是事实Itiscommonknowledge/sensethat……是常识Itisnowonderthat…难怪Thereisnodoubtthat…毫无疑问Thereisnoneedforsbtodo…没有必要做某事that….+

3、clause…句式辨析It+be+过去分词+从句Itissaidthat...据说……Itisknowntoallthat...众所周知……,我们都知道…＝Asweknow,…=Asisknowntoall,…Itisreportedthat...据报道……Itisbelievedthat...据信……;人们相信……Itisestimatedthat…据估计…Itislearnedthat…据悉，人们得知…Itmustbeadmittedthat…必须承认……Itcannotbedeniedthat…不可否认……Itmustbepointedoutthat…需指出

4、的是……Itissaid/reported/learned/estimated/well-known/believedthat….据说/据报道/据悉/据估计…=sb/sth.isreported….todo/tohavedone/bedoing...ItisorderedcommandedItissuggestedadvisedproposedthat+(should）do...建议……Itisrequired(要求)requested（请求）that+(should）do...命令……that+(should）do...虚拟语气It(so)happensthat

5、sb…=sb.happenstodo某人碰巧做某事Itseems/appearsthat….似乎….Itlooksasif/though…看上去好像…Itdoesn’tmatterwhether/wh-…不论（是否）…没关系Itdoesn’tmakeanydifference/makesnodifference(tosb.)whether/wh-...不论（是否）…不重要，没影响Itoccurredtosb/strucksbthat…某人突然想到…Itdidn’toccurtosbthat…某人没想到…Itneveroccurredtosbthat…某人从没想到…

6、Itturnsoutthat….结果是…It+不及物动词+从句二宾语从句1it用作形式宾语1）think(consider,suppose,believe,find,feel,make,…)+it+adj./n.+that….makeitarule/clear/(im)possible/knowntodo/that…takeitforgrantedthat…/takeitintoconsiderationthat…2)Iwouldappreciateitifyoucoulddo…3)Sb.seetoitthat…do/does…某人务必做某事2Idoubtwhet

7、her/wh-Idon’tdoubtthat…Doyoudoubtthat…？3Iwonderwhether/wh-…虚拟语气Isuggest/insist/require/request/demand/orderthat…(should)do三表语从句1Thereasonwhy….is/wasthat….原因是….2This/Thatiswhy…这就是…的原因。3Whatworries/delights/surprises/disappoints/puzzlessbisthat…令某人….的是…..4Itisnolongerwhatitusedtobe/itwa

8、s.The