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《高中英语 Unit19 LANGUAGE语法.剖析.活用 北师大版选修7》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、语法·剖析·活用从句定义句型例句主语从句在句子中，起到主语作用的从句，叫主语从句。常用it作形式主语，把真正的主语放在后面What/where/when/how/who/whose/whether+主语＋谓语＋meant/suggested/is/wasthat主语从句,表示一件事情Whatthebosssaidreallymeantyou’dbetterbuythiskindofmobilephone.whether既可以引导主语从句也可以引导宾语从句，但if不能引导主语从句。whether后面可以加ornot,而if不能与ornot连用。作介词
2、宾语时不用ifWhetherornotshe’lllearnasecondforeignlanguageisn’tclear.It+be+形容词easy,obvious,true,natural,surprising,good,wonderful,funny,possible,likelycertain,probable,etc.+that从句。that没有意义，但不能省略。that引导宾语从句时可以省略Itiseasytoshowthattherearemanydifferencesinthesamelanguageofdifferentcult
3、ures.It+be+名词词组nowonder,anhonour,agoodthing,apity,nosurprise,etc.+that从句ItisanhonorthatamiddleschoolstudentcancommunicatewithforeignerswithgesturesaswellasEnglish.It+be+过去分词hoped,believed,known,said,reported,thought,expected,decided,announced,arranged,ect.+that从句Itwasrecentlyr
4、eportedthatoneintenboystudentsinourcityownasuperbtelephone.宾语从句在句子中，起到宾语作用的从句，叫宾语从句。常用it作形式宾语，把真正的宾语放在后面what/who/whom/whose/when/where/why/how引导宾语从句表示一件事情Thesmallchildrendon’tknowwhatisintheirstockings.常见的可以接从句作宾语的动词有realise,see,say,know,imagine,discover,believe,tell,show,thin
5、k,consider等Weconsideritrudethatonespeakstootherswhenhismouthisfulloffood.Weconsideritnecessarythatheshouldimprovehispronunciation.某些形容词或过去分词后常接宾语从句，这类词有sure,glad,certain,pleased,happy,afraid,surprised,satisfied等，连词that可省略Wearegladthatwecankeepintouchwithmyforeignpenfriendsbyse
6、ndingcolorfultextmessages.表语从句在句子中，起到表语的作用的从句，叫表语从句where,why,because,how等词引导的从句常作thisis或thatis的表语。表示地点、原因、方式等Thereasonwhywecan’tfollowtheforeignersisthattheyspeaktoofast.Thisiswhereheworkedtenyearsago.主语是reason时，表语从句常用that引导，而不用becauseThereasonforhisabsenceisthathewasill.What/
7、who/whom/whose/when/where/why/how引导表语从句表示一件事情Thegirlisnotwhatshewastenyearsagososhedoesn’talwaysdoasherfathertellsherto.as,asif有时引导表语从句Astimegoeson,ourdailylifeisn’tasitusedtobe.同位语从句可以跟同位语从句的名词通常有news，idea，fact，promise，question，doubt，thought，hope，message，suggestion，word（消息），p
8、ossibility等Iheardthenewsthatourteamhadwon.I’vecomefromMrwangw
