it、one、that的用法与区别.ppt

替代词it that one s those用法区别 学习目标 为了避免重复 it that one s those都可用来代替上文出现的名词 但它们的用法不同 现在来区别 知识概括 用法1 it代替的是前面提到的同一名称的同一事物 即同名同物 所代替的名词可以是可数名词 也可以是不可数名词 如 Thename whitewater comesfromthefactthatthewaterinthesestreamsandriverslookswhitewhenitmovesquickly it代替不可数名词water Andtoday ifyougotoSaltLakeCity youcanseeamountainwithseagullsontopofit it代替可数名词mountain I dliketolookatthatatlas MayIborrowit it代替可数名词atlas 2 one代替的是前面提到的同名异物中的任何一个 即同名异物 是泛指所代替名词是可数名词 其前可带冠词与修饰语 如代替复数名词 则用ones 如 Thepopulationproblemmaybethegreatestoneintheworldtoday one代替可数名词problem Whichjacketsareyours Thewhiteones ones代替可数名词jackets 3 that代替前面提到的同名异物中特指的事物 所代替的名词可以是可数名词 也可以是不可数名词 但其前通常不能有修饰语 如 those都可用来代替上文出现的名词 Thedoctorinourschoolisyoungerthanthatintheirschool that代替可数名词doctor Theweatherofthisweekisworsethanthatoflastweek that代替不可数名词weather Thequalityofironproducedinyourfactoryisbetterthanthatintheirfactory that代替不可数名词quality 4 those代替前面提到的同名异物中特指的事物 只能指代复数名词 相当于theones 如 InChinastudentslearnEnglishatschoolasaforeignlanguage exceptforthoseinHongKong wheremanypeoplespeakEnglishasafirstorasecondlanguage those代替复数名词students Thecomputersinyourofficearemoreexpensivethanthoseinourschool those代替复数名词computers 区别 I it one that三者均可用作代词 指代前面提到的名词 一般说来 it指代同名同物 one与that则指代同名异物 Ihavelostmyumbrella I mlookingforit 该句中it就是指前面的myumbrella Ihavelostmyumbrella IthinkImustbuyone one在该句中表泛指 因为myumbrella已经丢了 TheumbrellayouboughtischeaperthanthatIbought 替代词that在该句中特指 theumbrellaIbought 以区别 theumbrellayoubought II one与that虽可用来指代同名异物 但one为泛指 相当于a an 名词 that为特指 相当于the 名词 所以one所指代的名词的修饰语一般为a an some any that所指代的名词的修饰语往往是the this that Achairmadeofsteelisstrongerthanonemadeofwood 该句中one可以换成achair Thewaterinthecupishotterthanthatinthepot 该句中that可以换成thewater III one只能代替可数名词单数 代替可数名词复数时用ones that既可以代替不可数名词也可以代替可数名词单数 代替可数名词复数时用those Ilikethispenmorethanthatone one代替可数名词单数pen Therewereafewyoungpeopleandsomeolderonesinthehouse ones代替可数名词复数people Mary shandwritingisfarbetterthanthatofPeter that代替不可数名词handwriting Thesepicturesaremorebeautifulthanthose those代替可数名词复数pictures IV one既可代替事物 也可代替人 that只能代替事物而不能代替人 有时可以用theone或theones代替that或those Theone Thatonthetableismine 该句中Theone代替事物 并且也可以用That Heistheteacher theonewhoislovedbythestudents 该句中theone代替人 不能用that Headvisedthefarmerstochoosethebestseed heads theones thosethathadthebestcolor 该句中theones代替事物 并且也可以用those V one一般有前置修饰语 有时也可有后置修饰语或不用修饰语 而that不能有前置修饰语 但可有后置修饰语 Cookwasastrictbutgoodcaptain onewhotookgoodcareofhissailors Thewaterinthewelliscleanerthanthatintheriver VI it可以替代句中的不定式或从句等 充当形式主语或形式宾语 one与that均无此用法 Itisknowntoeverybodythatthemoontravelsaroundtheearthonceeverymonth Ifoundithardtogetonwithher VII it与that均可以替代上文全句的内容或部分内容 而one ones则不可以 Hehassavedmylife I llneverforgetit it代替第一分句 Tomispaintinghishouse Iamtoldhedoesiteveryfouryears it代替前面分句的部分内容paintinghishouse Let ssaywemeethereatthreeo clock Thatoughttogiveyoutimetobuyeverything That代替前面表述的内容 可数单数用one替 ones替代复数词 不定冠词后加one one前一般有定语 替代若系本身物 it替单they代复 比较句中替代词 不可数名词that替 最高级及序数词后 替代词常常被略去 复数名词替代词 ones与those均用之 特指ones加定冠 those之前无冠词 One s 的定语多在前 those的定语必后置 MrZhanggavethetextbookstoallthepupilsexcept whohadalreadytakenthem A theonesB onesC someD theothers 2 Ifind easyenoughtogetonwithPam A thatB thisC oneD it 3 IfIcanstophercomingtoyou Ishalldo A thoseB whichC theseD it 4 Ihaven tapen Canyoulendme A theseB thoseC themD one 5 isnecessarythatIgetthetextofmyrevisiontyped A ThereB ThisC ThatD It 6 Itook forgranted conj 假定 就算 thatyouwouldstaywithus A itB thatC theseD them 7 Fewpleasurescanequal ofacooldrinkonahotday A someB anyC thatD those 8 Ofallmyoldfriends theonly IsawmuchofwasBetty A itB thatC oneD this 再见