讲练名词性从句附答案文档格式.docx
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that，whether，if，asif。
注意：
①连接代词和连接副词在句中不是疑问词，因此从句中不用疑问式（即不要倒装）。
②连接代词和连接副词在句中充当句子成份。
③连接词that，whether，if，asif在句中只起连接作用，不充当句子成份。
（一）主语从句
主语从句在句中作主语，它可以放在主句谓语动词之前，但是当主语从句太长时，能够把它放在句子后部，前面用it作形式主语，如：
Itdoesn’tmattersomuchwhetheryouwillcomeornot.
你来还是不来，关系不大。
（whetheryouwillcomeornot是主语从句，it在句中作形式主语）
（二）表语从句
表语从句在句中作表语，位于主句系动词之后。
如：
That’swhyhewaslate.
表语从句还可用asif引导。
Shelookedasifshewasgoingtocry.
（三）宾语从句
宾语从句在句子中作及物动词或介词宾语，在使用宾语从句时有以下几点需要注意：
1．时态呼应：
当主句谓语动词是过去时态，宾语从句要使用过去时态的某种形式。
2．介词之后的宾语从句，一般不用if或which连接，要用what或whether。
3．whether和if都可以引导动词之后的宾语从句，二者常可互换，但是在正式文体中．或从句中有ornot时，只用whether，不用if。
4．注意否定前移：
当主句是I/Wethink（或suppose，expect，believe，imagine，guess）时，其后的宾语从句如果是否定的，常常把否定词not从从句移到主句。
比较：
Ithinkyouarenotright.
Idon’tthinkyouareright.
Ibelievetheywon’twinthegame.
Idon’tbelievetheywillwinthegame.
（四）同位语从句
同位语从句一般跟在某些表示抽象概念的名词后面，用以说明名词所表示的具体内容。
常跟同位语从句的名词主要有：
idea，news，fact，promise，answer，belief，condition．doubt，fear，hope，problem，proof，question，reply，report，suggestion，thought，truth等。
【专项检测】
1.Aftertenyears,shechangedalotandlookeddifferentfrom______sheusedtobe.
A.that
B.whom
C.what
D.who
2.Whodoyouthinkthedoctorwillhave_______first,JohnorKate?
A.examine
B.toexamine
C.examining
D.examined
3.―WhatReyouanxiousabout?
―__________.
A.Whetherwecansucceed
B.Ifwesucceed
C.Dowesucceed
D.Thatwecansucceed
4.Everythingdependson________theywillsupportyouaboutit.
A.if
B.which
C.whether
D.that
5.Lilyhassomeidea______she’sgoingtobewhenshegrowsup.
A.what
B.that
C.as
D.which
6._____happenstocallwhileIamoutoftheoffice,pleasehavehimleavethemessageforme.
A.Who
B.Anyone
C.Someone
D.Whoever
7.―Wouldyouliketohaveaswimwithusinthesea?
―Iwillaskmypalms_________.
A.whethertheywillagreetodo
B.iftheyletmego
C.iftheywillletmego
D.whethertheyallowmeto
8.ThereasonwhyIplantogois_______ifIdon’t.
A.becauseshewillbedisappointed
B.thatshewillbedisappointed
C.becauseshewillhaveadisappointment
D.forshewillbedisappointed
9.―Irangyouataboutten,buttherewasnoreply.
―Oh,thatwasprobably______Iwasseeingadoeth.
A.when
B.why
10.Thatis_______Iwasbornandgrewup.
A.there
B.inwhich
C.where
D.theplace
11.Pleasetellme_____youwouldliketohaveyourcoffee―blackorwhite?
B.where
C.when
D.how
12.Idon’tthink______Jennycancomehomethisweekend.
C.that
D.when
13.______getsuchabook?
A.WheredoyouthinkcanI
B.DoyouthinkwherecanI
C.DoyouthinkwhenIcan
D.WheredoyouthinkIcan
14.―Myfoothurtsterribly,doctor.
―Well,Iwonder______ithasbeenlikethis.
A.sincewhen
B.sincethen
C.how
15.―Doyouknow_____Mr.Black’saddressis?
―HemayliveatNo.18or19BridgeStreet.I’mnotsureof________.
A.what;
which
B.where;
which
C.where;
what
D.what;
where
16.Thosechildrenmewild.Ifeelsorryfor_______hastobetheirbabysitter.
A.whoever
B.who
C.whomever
D.someone
17.―Do_______youthinkisright,_________theysay.
―Yes.I_________.
A.as;
what;
do
B.as;
whatever;
will
C.what;
can
18.Doyouknow_______thepeasantsmakeofthefallenfruit?
A.how
B.howuseful
D.whatuse
19.―Johnhasgotaverygoodjobinthegovernment.
―_______helookssohappy.
A.It’snatural
B.That’sbecause
C.Nowonder
D.Asthough
20.―DoyoumindifJimwillcometohelp?
―Ireallydon’tknow______apersonlikehimcanhelpmewith.
Bthat
D.if
21.Itwassaid_____wasall______hesaid.
A.thatthat;
that
B.thatthatwhat
C.whichit;
D.thatwhat;
that
22.Aman’sworthliesnotsomuchin_____hehasbutin_______heis.
who
B.what;
what
C.that;
that
all
23.Hewassoangryatall_______hewasdoing________hewalkedout.
B.that;
24.Ifthesouthhadwonth
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