主语从句课件

Grammar主语从句海珠中学高一组Whatcanyouseeonthescreen?WhatIcanseeonthescreenis……are……Whatdotheywant?Whattheywantis/are……Whatdoesheorsheneed?Whatsheneedsis/are……Whatheneedsis/are……Whatdoyouwantorneed?WhatIneedis/are…………remainsamystery.Whoheisremainsamystery.Whattheboyisthinkingaboutremainsamystery.Whichroadhe

willchooseremainsamystery.……remainsamystery.Where/When/HowIwillgoremainsamystery.Whydinosaursdisappearedremainsamystery.WhetherhewillcometoHaizhuisnotdecidedyet.It……thathewillcometoHaizhu.

ThathewillcometoHaizhu

surprisedme.

Thathecan'tcometoHaizhu

isapity.It……whetherhewillcometotaian.It……thathecan'tcometotaian.

WhatIcanseeonthescreenisapig.

Whatheneedsarenewclothes.

Whoheisremainsamystery.

Whichroadhewillchooseremainsamystery.

Where/When/HowIwillgoremainsamystery.

ThathewillcometoHaizhusurprisedme.

WhetherhewillcometoHuizhuisnotdecidedyet.Itisapitythathecan'tcometoHaizhu

.主语从句连接词小结：that引导主语从句只起引导作用，本身无实际意义，在主语从句中不充当任何成分，但不能省略。Thatthegirllefthimbrokehisheart.1）从属连词：that，whether.Whethertherainwillstopisnoteasytosay.Whoevergetstheballwillmarryme.主语从句连接词小结：2）连接代词what、who、which、whosewhatever、whoever、whicheverWhateveryoudowillnottouchmyheart.Whoseideaitwascaughtourattention.主语从句连接词小结：3)连接副词when、where、how、why等。Whyhediditisnotreportedinthenewspaper.Whenwearrivedoesn’tmatter.Howhebecameagreatscientistisknowntousall.Tips：1.Whether可以引导主语从句，if不可；2.That引导主语从句时不做句子成分，但不能省略；误：Theyshouldlikeeachotherisnatural.正：Thattheyshouldlikeeachotherisnatural.

Itisnaturalthattheyshouldlikeeachother.3.

主语从句的语序为陈述句语序；4.主语从句作主语时，谓语动词的形式由主语所代表的内容决定；Makesentences:

It’scertain.

we’llbelate.Ishecomingornot？Wedon’tknowWhatdoeshewanttotellus?Wedon’tknowWhenwillyoucomeback?

Itdoesn’tmatter.It’scertainthatwewillbelate.Thatwe’llbelateiscertain.Wedon’tknowwhetherheiscomingornot.Whetherheiscomingisnotknown.Wedon’tknowwhathewantstotellus.Whathewantstotellusisnotknown.Whenyouwillcomebackdoesn’tmatter.Itdoesn’tmatterwhenyouwillcomeback.主语从句后置!

为了避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语.

例:Thatweshallbelateiscertain.--It’scertainthatweshallbelate.1.Thattheearthisroundisknowntoall.--2.Thatyoumissedthechanceisapity.--Itisapitythatyoumissedthechance.It’sknowntoallthattheearthisround.A.

It+be+形容词+that从句(obvious,

true,

surprising,

good,

wonderful,

funny,

possible,

likely,

certain,

probable,

etc.)

如：It

is

certain

that

she

will

do

well

in

her

exam.

用于Itisimportant/natural/necessary/impossiblethat...句型中,主语从句应使用虚拟语气,用“should+动词原形”的形式,should有时可以省略。B.

It+be+名词词组+that从句(an

honor,

a

fact,

a

pity,

etc）如：It’s

a

pity

that

we

can’t

go.

用it作形式主语的结构

C.

It+be+过去分词

+that从句(said,

reported,

thought,

expected,

decided,

announced,

etc。）如：It

is

said

that

Mr.

Green

has

arrived

in

Beijing.

在It+be+suggested/advised/ordered/requested/insisted/required中,that从句的谓语也应该用“should+动词原形”的形式,should有时可以省略。D.

It+不及物动词或短语+that从句(seem，happen,doesn’t

matter,

turnout)如：

It

happened

that

I

was

out

that

day.

It

doesn’t

matter

whether

she

will

come

or

not.

1.Whereshallwespendtheholidayisn’tdecided.2.Youhavemadeamistakeisafact.3.Thatiscertainthatwecanwin.4.Nomatterwholeavestheroomlastoughttoturnoffthelights.5.Ifthepolicemenwillcomeisnotcertain.weshallThatyouhaveItisWhoeverwhether改错练习6.Itissaythathewasafamouswriter.7.Itisseemedthatitisgoingtorainsoon.8.Thatisfactthatshewonthefirstplace.9.Wholeavestheroomlastoughttoturnoffthelights.10.Itisimportantthatastudentlearnsaforeignlangu