Unit5LanguagesAroundtheWorldDiscoveringUsefulStructuresBytheendoftheclass,learnerswillbebetterabletoIdentifysubjectclauses，chooseproperleadingwordsandarrangecorrectwordorderofsubjectclauses，andfollowtheruleofSubject-PredicateAgreement(主謂一致)whenusingsubjectclauses.UsesubjectclausestowriteaparagraphaboutProf.YuanLongping’sgoodqualitiesandgreatachievements.LearningObjectivescontents301Definition定義02Linking-words連接詞03Specialusage注意事項(xiàng)04Exercises即時練習(xí)Part1主語從句定義1.YuanLongpingisoneofChina’smostfamousscientists.2.Hemadelargedonationstosupportagriculturalresearch.3.Todevelopthefirsthybridricecosthimalotoftime.4.Keepingallthepeopleawayfromhungerishislifelongpursuit.5.Whathereallycareaboutwasnotmoneyorcelebrity.結(jié)論：?主語是句子說明的人或事物，一般放在______。?一個句子來充當(dāng)_______叫主語從句。句首主語What’sthesubject?主語從句的定義：在句中充當(dāng)主語的從句叫做主語從句,有時為了避免頭重腳輕，常用

it作形式主語。Part2主語從句連接詞7ThatYuanLongpingcaredlittleforcelebrityormoneywastrue.Whetheritwaspossibletodevelopthehybridricewasindebate.Whowillsolvethesoilproblemisunknown.Whichoneisthebesttoexpandoutputisnotclear.WhenYuanwouldretiretoalifeofleisurewasnevermentioned.Wherethehybridricecanbeplantedisaquestion.WhyYuandevelopedseawaterricewastofeedmorepeople.Findthelinkingwordsofsubject-clause.找出主語從句有哪些不同的連接詞81.That

IloveEnglishisreal.2.Thatyoucantravelaroundtheworldisamazing.3.Whetherhewillcomeisuncertain.4.Whethertheboycouldwinmademecurious.從屬連詞：that、whetherthat引導(dǎo)的主語從句:that位于句首

無意義，不充當(dāng)任何成分，不可省略?！皐hether+陳述句”做主語，whether引導(dǎo)的主語從句放句首，不能用if。有意義，翻譯成“是否”。91.Whattherefugeeshavegonethroughisbeyondourimagination.2.WhowouldgettheopportunitytotraveltoBeijingisunknown.3.Which

studentwouldbethevolunteerisnotclear.4.Whoeverbreaksthelawwillbepunished.連接代詞：What/who/which/whoever連接代詞what,who,whose,which,whoever,whatever,whichever

引導(dǎo)的主語從句。連接代詞在從句中充當(dāng)主語、賓語、定語等成分，有意義且不可省略。引導(dǎo)的主語從句。10Whenwewillleavehasn'tbeendecided.Howshekeepshealthyisasecret.Whyhecriesisnotclear.Wherethemeetingwillbeheldisnotknown.連接副詞When/how/why/where連接副詞when,where,why,how

引引導(dǎo)的主語從句。連接副詞在從句中充當(dāng)狀語，有意義且不可省略。用it作形式主語的主語從句通常，因?yàn)橹髡Z從句較長，為了避免句子結(jié)構(gòu)頭重腳輕，我們常用it作形式主語，而把主語從句放在主句之后。要注意由what,whatever,whoever引導(dǎo)的主語從句一般不用形式主語。eg.1.Thathewillattendthemeetinghasexcitedallofus.Ithasexcitedallofusthathewillattendthemeeting.2.

Whetherhecomesornotdoesn'tmattertoomuch.

It

doesn'tmattertoomuchwhether/ifhecomesornot.3.

WhereIshouldgoonavacationishardtodecide.

Itishardtodecidewhere

Ishouldgoonavacation.12It作形式主語常見形式(1)It+be+形容詞（obvious,true,surprising,wonderful,possible,likely,certain)+that從句(2)It+be+過去分詞(said,reported,thought,expected,decided,announced,

suggested等)+that從句(3)It+be+名詞詞組(apity,ashame,goodnews,anhonor,

nowonder等)+that從句(4)It+動詞/動詞短語(seem,appear,happen,matter,turnout,occurto等)+that從句131.Itisnecessarythatwe(should)

havebreakfast.2.Itwassuggested

thatwe

(should)putoffthemeeting.◆Itisnecessary/important/strange/natural等+that(should)

do◆Itissuggested/requested/desired/ordered等+that

(should)do接虛擬語氣的主語從句:It作形式主語常見形式1.很明顯他輸?shù)袅吮荣悺?.據(jù)說學(xué)校下周講舉行運(yùn)動會。3.能被邀請?jiān)谶@做演講是一件榮幸的事。4.碰巧我昨天在路上碰到了我的班主任（ithappensthat...)Itisobviousthathelostthegame.Itissaidthattherewillbeasportsmeetinginourschool.ItisanhonorthatIaminvitedtogiveaspeechhere.IthappenedthatIcameacrossmyheadteacheryesterday.【即學(xué)即練】Part3主語從句注意事項(xiàng)16主謂一致原則1.WhereLiBai,agreatChinesepoet,wasborn_____(be)knowntopublic,butsomewon’tacceptit.(2015江蘇卷)2.Whenthepersonwasmurderedandwhyhewasmurdered_____(be)stillunknownnow..3.It_____(be)stillnotexactlysuretoscientistshowgenesinfluenceaging,buttheybelievethattheydo.(2016四川卷)4.Whatheneeds_____(be)somebooks.5.Ifirsthavetoremovealltherottenparts,andsometimes,whatisleft____(be)notenoughformydesign.(2020河南天一大聯(lián)考)isareareisisRule2:forms+主句謂語verb單個主從多個主從并列It作形式主語What引導(dǎo)主從單數(shù)復(fù)數(shù)單數(shù)表/賓語決定17語序原則1.HowmuchdidIpayfortheviolinisasecret.2.HowmuchIpaidfortheviolinisasecret.3.Itisn’tclearwhetherhewillcomeornot.4.Itisn’tclearwhetherwillhecomeornot.5.Wherewewillhaveapicnicshouldbediscussed.6.Wherewillwehaveapicnicshouldbediscussed.7.Howwegoforapicnicshouldbediscussed.8.Howdowegoforapicnicshouldbediscussed.√√××√√××主語從句的從句部分要用______語序

17陳述句what與that在引導(dǎo)主語從句時的區(qū)別1)_______yousaidyesterdayisright.2)_______sheisstillaliveisexciting.3)_______helostthebikeworriedhimalot.4)_______helostyesterdayishisbike.WhatThatThatWhatwhat既引導(dǎo)從句，又在從句中充當(dāng)主語、賓語或表語，而that只引導(dǎo)從句，不在從句中充當(dāng)成分。19主語從句和強(qiáng)調(diào)句的區(qū)分1.It

is

believedthatbeautycomesfromwithin.(2015北京卷)2.Itwasthetimesthatproducetheirheroes.3.Itwas

whenwewerereturninghomethatIrealizedwhatagoodfeelingitwastohavehelpedsomeoneintrouble.(2015湖南卷)4.Itisoftenthecasethatanythingispossibleforthosewhohangontohope.(2016江蘇卷)主語從句強(qiáng)調(diào)句緊緊抓住強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)強(qiáng)調(diào)句主語從句判斷方法：去掉Itis/was…that之后，若句子結(jié)構(gòu)仍然完整，則為強(qiáng)調(diào)句，itis…that中間的部分為被強(qiáng)調(diào)的部分；句子結(jié)構(gòu)混亂不完整，則it為形式主語，真正的主語是由that引導(dǎo)的從句。Summary在句子中充當(dāng)主語成分的從句叫做主語從句。主語從句的位置：①在謂語動詞之前②在句末，前有形式賓語it主語從句的連接詞：連接代詞who,what,which,whom,whose連接副詞when,where,how,why從屬連詞that,whether,if

Part4鞏固練習(xí)Practice1.It

is

obvious

to

the

students__________they

should

get

well

prepared

for

the

future.2.__________surprised

him

most

was

that

he

had

received

many

gifts.3.We

all

think

highly

of

your

plan,

but

it

is

still

under

discussion__________we

should

carry

it

out

right

now.4.__________