Unit2grammar复习课件牛津译林版九年级英语上册

9AUnit2ColoursGrammarEnglishTeaching-groupofGradeNine

1.Tolearnobjectclauses(宾语从句）

introducedby“that”;

2.Tolearnobjectclausesintroducedby“if”or“whether”.Learningaims

Somepeoplebelievethat

colourscaninfluenceourmoods.colourscaninfluenceourmoods.Pre-task:

Manypeoplebelieve__________________________________________________.that

blueisbetterthanpink.Blueisbetterthanpink.COLOURSbetter

Weallknow_____________________________________________________.

yellowcanbringhergoodluckYellowcanbringhergoodluck.(that)∧Sheissure

thatyellowcanbringhergoodluck.Sheisglad

thatthewallsinherroomareyellow.

Objectclausesintroduced

by“________”.that

While-task:ObjectclausesintroducedbythatWhatisObjectClause?

We

know

Jett．We

knowSthathefliesfast.VOSVOObjectclausesintroducedbythatAnobjectclausefunctonsasthe________ofasentence.WhatisObjectClause?objectA.subjectB.objectC.contributiveAnobjectclausecanbeputafteradjectives:Anobjectclausecanbeputafterverbs:say,

know,think,believe,hope,mean.sure,sad,certain,glad.Jettispowerful.Ithink(that)therearemanycolorsinthepiture.Wecansee(that)Iam

glad(that)superwingsalwayshelpchildrenwiththeirproblems.Wehope(that)theywillhelpmorechildren.workouttheruleObjectclausesintroducedby“that”.1.Anobjectclausecanbeputaftersomeverbs,suchas_______________

________________;itcanalsofollowsomeadjectivessuchas____________.2.“That”canbeommited(省略).

think,believe,know,hope,mean

sure,certainandglad.

Task1:Talkaboutroomcolours.SandyischattingonlinewithMillieaboutroomcolours.Trytoaddthat

toeachobjectclause.∧(that)∧(that)∧(that)∧(that)∧(that)∧(that)∧(that)ExtensionWhenthemainclauseusesthesimplepresenttenseorfuturetense,theobjectclausestillusestheoriginaltense.

e.g.Idon’tthink(that)youareright.

一般现在时

一般过去时

现在进行时

过去进行时一般过去时

过去完成时现在完成时

过去完成时一般将来时

过去将来时2.Whenthemainclauseusesthesimplepasttense,thetenseintheobjectclauseshouldbechangedintothecorrespondingpasttense.

e.g.Hetoldme(that)hewouldgobackhomesoon.3.Whentheobjectclauseisusedtoexpresstheobjectivefacts,truths,proverbsornaturalphenomena,westillusetheoriginaltense.

e.g.Mygrandpatoldme(that)theearthisround.Sheknows.Timmyisagoodboy.2.Hisfathersaid.Oneandoneistwo.3.Hesaid.Lucyoftengoesshopping.4.Heisdoinghishomework.Hesaid.5.Werealize.Weshouldworkhard.

ExercisesSheknows(that)Timmyisagoodboy.Hisfathersaid(that)oneandoneistwo.Hesaid(that)Lucyoftenwentshopping.Hesaid(that)hewasdoinghishomework.Werealize(that)weshouldworkhard.

Rewritethesentences.Revision1IdonotknowhowIshoulddealwithit.2Sometimesweforgetwhenweshouldstop.3Idonotunderstandwhytheyaresostrictwithme.4IwonderhowIcanachieveabalancebetweenmyschoolworkandmyhobbies.ObjectclausesintroducedbyquestionwordsWh-引导词+主+谓+其他Rules(1)遵守主句和从句的时态呼应(2)从句中要用陈述语序而不用疑问语序即引导词+主语+谓语+其他HowoldisTom?Iwanttoknow.

Iwanttoknow

howoldTomis.Rules(3)含有助动词do,does,did的疑问句变为宾语从句时要将帮助构成疑问句的助动词dodoes,did

去掉，从句中的谓语动词要根据主句的时态做出相应的变化Whendidthetrainleave?Iwanttoknow.

Iwanttoknow

whenthetrainleft.Whattimedidshegetup?Theyoungmanasked.Theyoungmanasked

whattimeshegotup.Rules(4)如果宾语从句中的引导词恰好在从句中充当主语或主语的定语，则句子保持原有结构What’sthematterwithher?Canyoutellme?Canyoutellmewhat’sthematterwithher?Whathas

happenedtohim?Wedon’tknow.Wedon’tknowwhathashappenedtohim.把下列句子合并成一个句子1.Whendidthetrainleave?Iwanttoknow.

Iwanttoknow

whenthetrainleft.2.Whattimedidshegetup?Theyoungmanasked.Theyoungmanasked

whattimeshegotup.3.What’sthematterwithher?Canyoutellme?Canyoutellmewhat’sthematterwithher?4.Whathas

happenedtohim?Wedon’tknow.Wedon’tknowwhathashappenedtohim.More

problems

and

questionswherewhowhywhenhowwhatwhomwhatwhathowwhat

Daniel

has

some

questions.

Rewrite

his

questions

by

using

objectclauses

introduced

by

question

words.Practice2.

I

wonder

_________________________.3.Iamnotsure_____________________

________________________________.4.Canyoutellme____________________

_________________________?howmuchsleepweneedeverydaywhichmethodIshouldusetosolvetheproblemwherewecanbuyagooddictionary5.

I

wanttoknow

__________________

______________________________.6.Idonotknow___________________

______________________________.7.Icannotimagine________________

_____________________________.howIcanimprovemyEnglishquickly

whomshouldweaskforhelpwhatlifewouldbelikewithouthobbies

…(don’t)thinkthat…

…(don’t)believethat…Objectclauses…(don’t)knowthat……be(not)surethat……be(not)certainthat…

!

Trytomakedifferentsentences.Task2:Discussion1.Youmaywonderif/whethercoloursinfluenceourmoods.2.Sandyasksif/whetherorangecancheerherup.Task3:ProblemsaboutshoppingObjectclausesintroduced

by“____”or“_______

”.

if

whether

Task4:WorkouttheruleworkouttheruleObjectclausesintroducedby“if”or“whether”.1.Wecanuse“if”or“whether”tointroduceanobjectclausewhenitexpressesa___________________.2.Weoftenusethesamewordorderasina___________.

“Yes/No”question

statement(陈述语序)Isheastudent?Amyisasking_________________________DoIgoforawalk?Simonisnotsure_______________________Isittrue?Youmaywonder______________________________________由从属连词whether,if引导的宾语从句if/whetherheisastudentif/whetherhegoesforawalk.if/whetherItistruePractice

if/whether

she

should

choose

the

red

dressProblems

about

shopping

if/whether

white

clothes

suit

her

if/whether

the

sports

bag

is

made

of

cotton

if/whether

the

green

T-shirt

matches

his

trousers.

if/whether

he

should

stay

at

home

instead

of

going

shopping

with

his

classmates.

stay

at

home

instead

of

going

shopping

with

my

classmates?Task5:Completetheemail(partB2)oftenthatif/whetherif/whetherthatthatif/whether

Ibelieve1.__________________

Iwonder2.__________________ObjectIwanttoknow3._____________ClausesIdonotknow4._____________Iamnotcertain5._____________…Task6:Writeanote(partB3)1.在介词后面：Weareworriedaboutwhetheritwillraintomorrow.2.在动词不定式前：Hecan’tdecidewhethertogotoCanada.Extension1.Inthesecases,wecanonlyusewhetherinsteadofif.3.当与or或ornot连用时:Idon’tknowwhetherhe’sfreeornot.SheasksmewhetherIamfromYanchengorNanjing.4.宾语从句提前时：Whetherthisistrueornot,Ican’tsay.if与whether的区别与ornot连用只能用whetherif意思为“如果”whetherif/whetherifwillshowif意思为“是否”if意思为“如果”if/whetherwhetherwhetherWhetherIfExercise选择正确答案()1.Everyoneknows________humansneedwater,foodandairtosurvive.A.ifB.thatC.What()2.MrZhangisnotsure________hecangetsupportfromothers.A.whetherB.thatC.What()3.MrZhangasksTom________thewindowbeforeleaving.A.ifhasheclosedB.whetherhehasclosedC.thathehasclosed()4.Areyoucertain_________itwillrainornottonight?AifBwhetherC.that()5.________youspeakatthemeetingornotisveryimportant.A.IfB.WhetherC.That

B

A

B

B

B

宾语从句可用于动词之后，常见动词有：know,think,believe,hope,mean…还可用于从句形容词之后，常见形容词有：certain,sure,glad…*在非正式文体中，that可以省略连词that引导_____的宾语从句Conclusion(1):

陈述句2.宾语从句中要用________语序.Conclusion(2):注意：1.whether和if意思为“是否”，一般情况下两者可以换用，但与____________连用，只能用whether。是“如果”的意思时，主句（_________）+if+从句（________）.1.一般疑问句我们要用____或_______来引导if陈述句whetheror或ornot一般将来时