Unit+4+Natural+disasters+Discovering+useful+Structures+課件 【知識精講精研】高中英語人教版（2019）必修第一冊

Unit4NaturaldisastersDiscoveringusefulstructuresAttributiveClause定語從句100%參與你的高考連續(xù)3個單元的語法，都是定語從句語法填空寫作閱讀理解，完形填空的文章（不給詞空）問題導(dǎo)學(xué)

什么是定語從句？1定語從句的關(guān)系詞有哪些？2Questions什么是定語？什么詞可以作定語？修飾名詞和代詞的成分，作定語的除了形容詞外，還有代詞、數(shù)詞、名詞、介詞短語。定語:myteacherthreeboysclothesshopthestudentsinclass找出下面句子中的定語：1.Sheisabeautifulgirl.2.ThesleepingboyisTom.3.Thereissomethingimportantintoday'snewspaper.

4.ThegirlbehindthetreeisKate.5.Themandrivingtoofastwasadrunk.

ThegirlisfromAmerica.ThegirlIcalledjustnow.

Thegirl

(whom)Icalledjustnow

isfromAmerica.They’retalkingaboutthefilm.Ihaveseenthefilm.

They’retalkingaboutthefilm(that)I’veseen.定語從句怎么來的？Ihavereadthenewspaper.Thenewspapercarriestheimportantnews.

Ihavereadthenewspaper

whichcarries

theimportantnews.Thegirlgotfirst.Thegirl’sfatherhadgivenusareport.

Thegirlwhosefather

hadgivenusareportgotfirst.Ishowedhimtheletter.Ireceivedtheletterthismorning

Ishowedhimtheletter(which)Ireceivedthismorning.

JanehasborrowedthebookthatwaswrittenbyLaoshe.ThebookwaswrittenbyLaoshe.Janehasborrowedthebook.Sheisabeautifulgirl.Sheisagirlwhoisbeautiful..Thisisthecupbrokenbyme.Thisisthecupwhichisbrokenbyme..1.主句：整個句子的主干部分。2.（定語）從句：對主句起修飾作用的句子。定語從句結(jié)構(gòu)：先行詞（名詞+代詞）+關(guān)系詞（引導(dǎo)詞）+從句定語從句的種類：限定性定語從句和非限制性定語從句在主從復(fù)合句中，對某一名詞或代詞起修飾作用的從句叫定語從句。被修飾的名詞或代詞叫先行詞，引導(dǎo)定語從句的連接詞叫關(guān)系詞。定語從句一般位于先行詞后1.引導(dǎo)定語從句2.代替先行詞3.在從句中擔(dān)當(dāng)一個成分Thestudentswhoarehavingclassarefromclass49.先行詞關(guān)系代詞1.IknowtheboywhocanspeakEnglishwell.2.ThegirlwhomImetisLucy.3.I'mreadingabookwhosecoverisblue.4.Workersbuiltsheltersforsurvivorswhosehomeshadbeendestroyed.5.Ilikethebikewhichyouboughtyesterday.6.Thearmysent150，000soldierstoTangshantodigoutthosewhoweretrappedandtoburythedead.

7.Thereweredeepcracksthatappearedinthewellwalls.找出下面的定語從句部分Theusageoftherelativepronouns1.that在從句中作主語或賓語，指人或物，作賓語時可省略。

Aplaneisamachinethatcanfly.作主語；指物

Thenoodles

(that)Icookedweredelicious.作賓語；指物

Let’saskthemanthatisreadingabookoverthere.作主語；指人

Thegirl

(that)wesawyesterdayisJim’ssister.

作賓語；指人關(guān)系代詞：which,who,whom,that,whose2.who在從句中作主語和賓語,whom

在從句中作賓語；都指人。

TheforeignerwhovisitedourschoolyesterdayisfromCanada.主語；指人

TheboywhobrokethewindowiscalledMichael.

主語；指人

Theperson(whom/who)youjusttalkedtoisMrLi.

賓語；指人

MrReadistheprofessortowhomyoushouldwrite.賓語；指人在定語從句中緊接著介詞的只能用which和whom。指人用whom，指物用which3.which

在從句中作主語、賓語或介詞賓語,指物。

Theyplantedthetreeswhich

didn’tneedmuchwater.

Thefishwhich

weboughtwerenotfresh.

Thisisthehousewhich

welivedinlastyear.

→Thisisthehouse________welivedlastyear.主語；指物賓語；指物介詞賓語；指物in

whichwhich作介詞賓語時，介詞既可放在關(guān)系代詞which之前，也可以放在從句中動詞之后where4.whose在從句中作定語,修飾人或物，意為“……的”，可與

ofwhich(whom)the...互換。

MissFloweristheteacherwhosehousecaughtfirelastweek.ofwhomthe

Thisistheboywhosecompositiontheteachertalkedof.ofwhomthe

Thisisthebookwhosecoverisblue.ofwhichthe

Iamsureshehassomething

(that)youcanborrow.

I’vereadallthebooksthatarenotmine.

Thisisthefirstbook(that)hehasread.

Thisistheverybookthatbelongstohim.

Theytalkedofthingsandpersons

thattheyremembered.注意

that和which在指物的情況下一般可以互換，但在下列情況中，一般用that而不用which下列情況中，定語從句中關(guān)系代詞一般用that而不用which：先行詞為all,everything,nothing,something,anything,little,much等不定代詞時。2.先行詞被all,every,no,some,any,little,much等修飾時。3.先行詞被序數(shù)詞或形容詞最高級修飾時。4.先行詞被the

only,the

very,the

same,the

last修飾時。5.先行詞既有人又有物的時候，只能用that。Summary1.Hereissomething_____Iwilltellyou.2.Doyouhaveanything______youdon’tunderstand?thatthat先行詞是everything,nothing,anything,something,much,little,none等不定代詞，引導(dǎo)定語從句用that。1.I’vereadallthebooks_____youlentme.that2.Thisistheonlybike_____Iwanttobuy.that先行詞被any,some,no,much,few,little,every,all,thevery,theonly,thelast修飾時,引導(dǎo)定語從句用that。1.ThisisthebestTV_____ismadeinChina.2.Thefirstmuseum_____hevisitedinChinawastheHistoryMuseum.thatthat先行詞被形容詞最高級或序數(shù)詞修飾時，引導(dǎo)定語從句用that。Hetalkedhappilyabouttheplayersandbasketball_____interestedhimgreatlyintheschool.先行詞中既有人又有事物時，引導(dǎo)定語從句用that.that

Whichisthebike______youlost?that當(dāng)主句已有疑問詞which時，關(guān)系詞用thatHerearesomeofthepeople

homesweredestroyedbythetyphoon.Theterribleshakingofthebuildingwokeupallthepeople

wereasleep.Thenextday,peopleputupshelterintheopenairusinganything

theycouldfind.Severaldayslater,mostofthebuildings

hadbeendamagedbythehurricanewererepaired.Theinjuredboy

motherwaslostinthedisasterwastakentothehospital.Thewomanwroteathankyoulettertothesoldierby

shewasrescued.Isthisyoung