itonethat的用法與區(qū)別

1、it/one/that的用法和差別I.itonethat三者均可用作代詞,指代前面提到的名詞。一般說來,it指代同名同物;one與that則指代同名異物。Ihavelostmyumbrella;Imlookingforit.（該句中it就是指前面的myumbrella）Ihavelostmyumbrella;IthinkImustbuyone.泛指,由于myumbrella已經(jīng)丟了）（one在該句中表Theumbrellayouboughtischeaper在該句中特指“theumbrellaIbought”,bought”）thanthatIbought.（代替詞以差別“theumbrell

2、ayouthat.one與that雖可用來指代同名異物,但one為泛指,相當(dāng)于aan名詞;that為特指,相當(dāng)于the名詞。因此one所指代的名詞的修飾語一般為aansomeany;that所指代的名詞的修飾語常常是thethisthat。Achairmadeofsteelisstrongerthanonemadeofwood.one能夠換成achair）（該句中Thewaterinthecupishotterthanthatinthepot.能夠換成thewater）（該句中that.one只好取代可數(shù)名詞單數(shù),取代可數(shù)名詞復(fù)數(shù)時用ones;that既可以取代不行數(shù)名詞也能夠取代可數(shù)名詞單數(shù)

3、,取代可數(shù)名詞復(fù)數(shù)時用those。Ilikethispenmorethanthatone.（one取代可數(shù)名詞單數(shù)pen）Therewereafewyoungpeopleandsomeolderonesinthehouse.（ones取代可數(shù)名詞復(fù)數(shù)people）MaryshandwritingisfarbetterthanthatofPeter.可數(shù)名詞handwriting）（that取代不Thesepicturesaremorebeautifulthanthose.復(fù)數(shù)pictures）（those取代可數(shù)名詞IV.one既可取代事物,也可取代人,that只好取代事物而不可以取代人。有時

4、能夠用theone或theones取代that或those。TheoneThatonthetableismine.且也能夠用That）（該句中Theone取代事物,并Heistheteacher,theonewhoislovedbythestudents.theone取代人,不可以用that）（該句中Headvisedthefarmerstochoosethebestseed-heads,theonesthosethathadthebestcolor.（該句中theones取代事物,而且也能夠用those）V.one一般有前置修飾語,有時也可有后置修飾語或不用修飾語。而that不可以有前置修飾

5、語,但可有后置修飾語。Cookwasastrictbutgoodcaptain,onewhotookgoodcareofhissailors.Thewaterinthewelliscleanerthanthatintheriver.VI.it能夠代替句中的不定式或從句等,充任形式主語或形式賓語。one與that均無此用法。Itisknowntoeverybodythatthemoontravelsaroundtheearthonceeverymonth.Ifoundithardtogetonwithher.VII.it與that均能夠代替上文全句的內(nèi)容或部分內(nèi)容,而oneones則不可以夠。H

6、ehassavedmylife;Illneverforgetit.（it取代第一分句）Tomispaintinghishouse.Iamtold取代前面分句的部分內(nèi)容paintinghishousehedoesit）everyfouryears.（itLetssaywemeethereatthreeoclock.Thatoughttogiveyoutimetobuyeverything.（That取代前面表述的內(nèi)容）有關(guān)練習(xí)1.MrZhanggavethetextbookstoallthepupilsexcept_whohadalreadytakenthem.Ihaventapen.Canyoulendme_?5._isnece