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1、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
2、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：Thepopulationproblemmaybethegreatest
3、oneintheworldtoday.(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)Theweatherofthisw
4、eekisworsethanthatoflastweek.(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，exceptforthoseinHongK
5、ong，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'mlookingfori
6、t.（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
7、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thos
8、e。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）Th
