名词性从句考点引导词that与whatthat与whetherif与培训课件

名词性从句名词性从句考点

1、引导词that与what；that与whether；

if与whether；what与how等的区别；2、名词性从句的时态和语序问题；3、名词性从句的语气问题；4、同位语从句与定语从句的比较区别。RelatedConception(相关概念)1.名词:表示人或事物的名称的词叫名词。2.名词在句子当中一般可以作什么成分?名词在句中主要作主语、宾语、表语和同位语。TheboyisliMing.主语表语Mr.Liang,a24-year-oldboy,teachesusEnglish.主语同位语宾语在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个句子来充当,这个句子就叫名词性从句。什么是名词性从句?名词性从句主语从句(TheSubjectClause)宾语从句(TheObjectClause)

表语从句(ThePredicativeClause)同位语从句(TheAppositiveClause)宾语从句如何区分宾语从句？They

know

theteacher.

主语谓语宾语They

know

theteacherisaman.

主语谓语宾语从句

▲句子做宾语就是宾语从句。

Wewonderhowweshalldo.Couldyoutellmewheretheyare?Webelievethattheyhavefinishedtheirtask,havn’twe?4.IamsorrythatIdidn’tknowyouwanttojointheParty.找出下列句中的宾语从句宾语从句的注意事项（一）

引导词

句子类型that(有时可省略)陈述句一般疑问句If/whether特殊疑问词特殊疑问句宾语从句中的连接词that有时可省有时又不可省，在以下几种情况中that不能省略：１、当that宾语从句中间有插入词语,that不可省

He

judged

that,because

he

was

a

child,

he

did

not

understandwhathehadsaid.

２当that

从句有并列从句时，that不能省；

Everyone

knew

what

happened

and

that

she

was

worried.３当多个that从句作并列宾语时,前面从句的that可省可不省,但最后一个that不可以省

Heknows(that)hisEnglishteacherisfromEnglandandthatshehastwochildren.

４当that作介词宾语时，that不可省掉。如：

The

reason

lies

in

that

she

works

harder

than

the

others

do注意事项（二）从句时态主句时态现在时/将来时相应任何时态过去时相应过去任何时态宾语从句中主句和从句的时态保持一致，但如果从句中表示的是客观现象，虽然主句是过去时态，从句仍用一般现在时。如：

The

teacher

told

us

that

light

travels

at

a

very

high

speed.

名词性从句在句中要用陈述句语序。如：

He

asked

me

whereweshouldmeet.

1）在think,believe,suppose,expect,guess等动词后的否定前移问题；2）在hope,believe,imagine,suppose,guess,think,expect,tell,say,fear以及beafraid等词语后，可用so代替一个宾语从句(指代上文涉及之事)。注意事项（三）6.关于doubt

肯定句中doubt后跟if/whether，否定句中doubt后面跟that.sb.doubtsif/whether…..sb.doesn’tdoubtthat…….Thereisnodoubtthat…….Thereisnodoubtthathewillwinthegame.practicepractise单项选择

1.Idon’tknow____wecanliveontheislandwithoutanyfood.A.whereBwhatChowDthat2.Couldyoutellme___________________?AWhereisthepart?BWho’sonduty?CWhosebookisthis?DWhataretheydoing?3Theteachertoldusthattheearth_____aroundthesun.AmovedBmovesCmoveDmoving4.Couldyoutellme________?AifhewouldcometomorrowBwillhecometomorrowCwhetherhewillcometomorrowDIfhecomestomorrow4.Ididn’tknowthatMr.Smith______yet.HasreturnedBhasreturnedChadreturnedDreturnedBBCCC

1.Wewonderhowweshalldonext.2.Couldyoutellmewherearetheyhavingapicnic?3.Webelievethattheyhavefinishedtheirtask,don’twe?4.IamsorrythatIdon’tknowyouwantto

takepartinthecompetition.5.Mrliseemsthatheisveryexpertat

repairingatcomputers.whathaven’ttheydidn’ttheyareasif表语从句用做表语的从句叫表语从句位置：一般放在系动词be,后.Theproblemisthatwehavelittlemoney.Thatiswhathewantsustodo.Thatiswhereshegothermaster’sdegree.表语从句的连接词(四大类)

that

引导的表语从句,本身无意义,但不能省略.2.whether

引导的表语从句意为:“是否”.不能用if替代.what,which,who,whom,whose可在表语从句中充当“主语,宾语,定语,有自己的词义.4.where,when,why,how

在表语从句中可充当时间,地点,方式,原因状语.Themother’squestionwasthatshehasnotimetolookafterherdaughter.2.Thequestioniswhetherthatboywillturnupintime.3.Tomisnolongerwhatheusedtobe.4.ThatiswhereIcan’tagreewithyou.无义是否….的样子…的地方特殊用法:1.because引导的表语从句.的结构.2.asif/asthough引导的表语从句常在连系动词

look,seem,sound,be,become后面.Myangerisbecauseyouhavn’tfinishyourhomework.ItseemedasifthebrotherswereplayingajokeonHenrry.1.Pleasetellmeyouwillgototheleacturetomorrow.2.Italldependsontheskywillclearup.3.Thequestionisthefilmiswellworthseeing.4.HewillbewelltomorrowIamnotsure.5.itistrueremainsaproblem.关联词比较whether/ifwhether/ifwhetherwhetherwhetherwhether引导宾语从句时可互换.位于介词后要用whether.位于句首时要用whether.引导表语从句,主语从句,同位语从句时,

要用whether.whether和if的用法

①whether可用于介词之后.It

all

depends

on

whether

they

will

come

back

②whether可用于不定式之前I

have

not

decided

whether

to

go

or

not.③后面直接跟or

not

时用whether。..

I

didn’t

know

whether

or

not

he

had

arrived

inWuhan

④主语从句，表语从句，同位语从句句首中只能用whether，宾语从句中则两者都可Whether

the

meeting

will

be

put

off

has

not

been

decided

yet.

⑤whether可引导一个让步状语从句表示“不管”、“无论”，而if不能。If表示“如果”时，不能用whether。

Whether

he

comes

or

not,

we

will

begin

our

party

on

time.

IfIhaveenoughtime,Iwillplayfootball.1.Ithinkitisunnecessaryformetospeaklouder.2.Hismotherissatisfiedwithhehasdone.3.hewasabletocomemadeushappy.4.Thisismakesusinterested.5.ThereasonwasTodhadneverseenthemillionpoundnotebefore.what/that(that)what(That)what(that)所引导的从句是否缺(主语,表语,宾语)汉语意义能否省略what缺什么;所….的(东西/事情)不能省略that不缺无意义引导宾语从句时可省