Unit 6 Grammar课件 牛津译林版九年级上册

Unit6TVprogrammesGrammarGrammarAWarming-upIfyouareafootballfan,you_______________________________________________________.Ifyouenjoysolvingmysteries,you________________.Ifyouareananimal-lover,you____________________.willnotwanttomissthisweek’sprogrammemightlikethisfilmmayfeelsadaboutit当一个句子中含有if引导的条件状语从句时，主、从句的时态有如下情形：e.g.Ifitdoesn’train,Iwillgoforapicnic.If-clause(simplepresenttense)Mainclause(will/may/might/…+infinitive)Ifyouareafootballfan,youwillnotwanttomissthisweek’sprogramme.如果从句表示将来要发生的事情，从句通常用___________，主句用___________，即“主将从现”原则。一般现在时一般将来时如果主句中含有will、may、can、might等情态动词时，从句通常用一般现在时。e.g.Youcangoifyouwant.If-clause(simplepresenttense)Mainclause(will/may/might/…+infinitive)Ifyouareananimal-lover,youmayfeelsadaboutit.Ifyouenjoysolvingmysteries,youmightlikethisfilm.如果主句是祈使句，从句通常用一般现在时。e.g.Please

call

me

if

he

comes

next

Sunday.

Don’tplaycomputergamesifyoudon’tfinishyourhomework.如果表示的是客观事实或普遍真理，从句和主句通常都用一般现在时。e.g.Ifyouheatice,itmelts.HelpMilliecompletethesentences.IfI_______(go,willgo)totheReadingClubthisafternoon,I______________(donothave,maynothave)anytimetowatchTV.2.IfSimon_______(gets,willget)hometoolate,he__________(misses,willmiss)hisfavouritecartoon.3.IfAmy__________(completes,willcomplete)allherhomeworkquickly,she___________(watches,willwatch)thechatshow.4.IfDaniel________(takes,willtake)partinthegameshow,he____________(wins,mightwin)aprize.5.IfSandy_______(finds,willfind)aprogrammeinteresting,she_____________(introduces,willintroduce)ittous.gomaynothavegetswillmisscompleteswillwatchtakesmightwinfindswillintroduceWeoftenusethesimple__________(future,present)tenseintheif-clause.Weneeda_________(comma,fullstop)aftertheif-clausewhenitisthefirstpartofasentence.presentcomma

Workouttherule!Milliewatchedadocumentaryaboutanimals.HelpMillieanswerherfather’squestionswiththehelpofthewordsinthebox.attackcatchhuntliveprotectwalkDad:Whatwillabeardoifit’sindanger?Millie:Ifabear(1)__________,it(2)_________people.Dad:Whatwillapolarbeardoifit’shungry?Millie:Ifapolarbear(3)___________,it(4)_________fishfromthewater.Dad:Whatwillelephantsdoifthey’rethirsty?Millie:Ifelephants(5)__________,they(6)________untiltheyfindariver.isindangerwillattackishungrywillcatcharethirstywillwalkDad:Whatwilltigersdoiftheyliveinthewild?Millie:Tigers(7)__________fortheirownfoodifthey(8)______________.Dad:Whatwilltigersdoiftheyhavebabies?Millie:Tigers(9)_________asafamilyifthey(10)____________.Dad:Whatwillmalewolvesdoifthere’sdanger?Millie:Malewolves(11)____________theirfamiliesifthere(12)___________.willhuntliveinthewildwilllivehavebabieswillprotectisdangerGrammarBunless意为“除非，如果不”，可用来引导条件状语从句。unless引导的从句既可以放在主句之前也可以放在主句之后。当从句位于主句之前时，常用逗号与主句隔开。e.g.Hewon’tcometothepartyunlessyouinvitehim.如果主句是一般将来时态，则unless引导的从句的时态通常用一般现在时表将来。Sometimeswecanuseif...nottoreplaceunless.e.g.Thesituationwillcontinueunlesshumansstophuntingthemfortheirfurandbones.

=Thesituationwillcontinueifhumansdonotstophuntingthemfortheirfurandbones.Theunless-clausecancomefirstorafterthemainclause.e.g.Unlessyoutryyourbest,youwillnotrealizeyourdream.

Youwillbelateunlessyouleaverightnow.在unless引导的条件状语从句中，主句也可以含有情态动词或祈使句。e.g.Hecannotseeclearlyunlesshewearsglasses.Don’ttouchthemachineunlesstheteacherallowsyouto.1.Unlesstheweatherreport

saysitisgoingtorain,2.Wewillarriveatthe

studioaround9:30a.m.,3.Unlessyoualreadyknow

thestudioverywell,4.Youwillbuyyourlunchat

therestaurantsinthe

studio,5.Unlessyouaretired,6.Youwillhaveachanceto

seehowaTVprogramme

isrecorded,a.unlessyoutakeyour

ownfoodwithyou.b.youwillnotneedto

taketheminibusinthe

studio.youwillnothavetotakeanumbrellawithyou.unlessthetrafficisveryheavy.

unlessyouhavelittleinterestinit.youwilltravelarounditwithatourguide.

HelpSandymatchthetwopartsofthesentences.Weusethesimple__________(future,present)tenseintheunless-clause.present

Workouttherule!Uroducesth.tosb.向某人介绍某物2.beindanger处于危险之中3.liveinthewild住在野外4.liveasafamily以家庭的形式生活5.haveachancetodosth.有机会做某事6.takeyourownfoodwithyou随身带着你自己的食物7.havelittleinterestin…对……几乎没有兴趣Exercises1.If

there

________

no

buying

and

sellingofanimals,there

_______

no

killing

innature.

A.

is;

will

be

B.

will

be;

will

be

C.

is;

is

D.

will

be;

is2.Ifhecomeslate,______hewillmissthetrain.A.and

B.soC./

D.or3.MarywillgotoSanyaifshe_______afive-daytrip.A.have

B.had

C.willhave

D.has4.Idon’tknow_____hewillcometomorrow._____hecomes,I’lltellyou.A.if;Whether B.whether;Whether

C.if;That D.if;If5.---Look,w