初升高衔接英语之表语从句讲解与练习讲义

表语从句概念：用一个句子充当表语从句eg：Myopinionisthatcyclingisbeneficialtohealth.（我的观点是骑行有益健康）构成：连接词+从句具体内容【从句：陈述语序（主语+动词）】无含义；不充当成分不可以省略无含义；不充当成分不可以省略eg：Myviewisthatthebookisworthreading.thatwhether连接词特殊疑问词because有含义，意为“因为”；充当状语运用在句型中：Thiswhether连接词特殊疑问词because有含义，意为“因为”；充当状语运用在句型中：This/Itisbecause+句子这是因为......（表达原因）eg：

Sheislate.Thisisbecausetherewasatrafficjam.区别于Thisiswhy+句子这是为什么....（表达结果）Therewasatrafficjam.Thisiswhysheislate.1）有含义，意为“是否”；不充当成分2）不可以省略，不可以替换为if，表语从句无if连接词eg：ThequestioniswhetherwatchingTVaffectschildren’slanguagedevelopment.有含义，特殊疑问词自身具有的含义；充当成分常见：what/who/“which+名词”等做主语/宾语/表语when/where/how/why等做状语不可以省略eg：Thequestioniswhyweshouldprotectanimals.Thisiswhereheoncelived.有含义，“似乎有含义，“似乎,好像”；充当状语

2）如果表示和事实一致，句子中时态根据语境去选择使用

3）如果表示和事实相反，则需要运用虚拟语气*和将来事实相反，从句用would/might/could+动词原形eg：Itlooksasifitmightrainsoon.*和现在事实相反，从句用一般过去时/过去进行时（be动词统一改为were）eg：Itsoundsasifsomeonewereknocking.*和过去事实相反，从句用过去完成时（haddone）eg：Heseemedhehadknowntheresult.asif/asif/asthough常见表语从句固定表达：

1）Thereasonwhy+句子isthat+句子......的原因是....Thisisbecause+句子这是因为...Thisiswhy+句子这是为什么...练习（附带参考答案）一/选择题Thequestionisweshouldaskthepoliceforhelp.thatB.whetherC.ifD.whatOnereasonwhyweneedtoreadisreadingcangiveusvariousopinons.whatB.whetherC.whenD.thatUniversityisstudentscanhaveaccesstodifferentthoughts.whenB.howC.whereD.thatHebrokethewindow.Thisishismothergotangry.howB.thatC.whyD.becauseAllofuslikehimbetter.Thisisheissohumorous，differentfromhisbrother.whetherB.whatC.whyD.becauseWecanrobotsanywhere.Arobotiscanhelpustocompletecomplextasksandsavealotoftime.whyB.whetherC.whatD.thatHealwaysmanageshistimewellandfinishesworkontime.Ithinkthisishecanachievesuccess.whereB.howC.becauseD.thatItlooksitweregoingtorainsoon.ifB.evenifC.asifD.likeThebestmomentIthinkinthefutureiswecanfreelytakeatriptospace.whatB.whenC.howD.whyWhatisinterestingishecangreatlyimproveEnglishintheshortterm.howB.whetherC.whatD.where二/句子翻译题

1.这就是我们所渴望的。这就是他如何解决这个问题。我们需要保护濒危动物。这是因为我们需要维持生态平衡。这个问题是玩游戏是否可以帮助孩子们增加知识。他近视的原因是他经常坐在电视机前很长时间。政府要采取措施控制污染的原因是污染导致很多疾病。他没有取得进步的原因是他没有纠正（rectify）他的错误。现在有越来越多的私家车。这就是为什么空气污染变得日益严重的原因。参考答案一/选择题1-5BDCCD6-10CBCBA二/句子翻译题Thisiswhatwelookforwardto.Thisishowhesolvedtheproblem.Weneedtoprotectendangeredanimals.Thisisbecauseweneedtomaintaintheecologicalbalance.Thisproblemiswhetherplayinggamescanhelpchildrentoincreasetheirknowledge.ThereasonwhyhebecomesshortsightedisthatheoftensitsinfrontofTVforalongtime.Thereasonwhythegovernmentneedstotakemeasurestocontrolpollutionisthatpollutioncausesm