1、學習必備歡迎下載代詞one,it,that的用法區(qū)別l.one, it, that常常用來代替或避免重復某個名詞。例如： I'm looking for a flat. I'd really like one with a garden.-Where did you find your watch?- I find it in our classroom. The population of China is larger than that of any other country.2.one可指人或物，只替代單數(shù)可數(shù)名詞，復數(shù)用 ones. One是泛指，但有限定修 飾語，

2、如the, this, that修飾就變成了特指。如： One must do one's duty. Mary has a red pencil and Jane has a blue one. The new designs are much better than the old ones.3. that只指物，不指人，可替代可數(shù)名詞或不可數(shù)名詞，具有“特指”性質(zhì)。指 的是同類事物中的另一樣東西，即同類異物。如：The library of our school is bigger than that of yours.（that 代替的是另個圖書 館。）4. One和that在

3、代替可數(shù)名詞時，如果沒有前置定語只有后置定語時，the one和that可互換。但該名詞如有前置定語，則只能用the one,而不能用that。例如： I will take the seat next to the one（二that）by the window 我就坐窗口 的那個座位旁 邊。 I prefer the large box to the small one.（one不可用 that 替換）。5. That的復數(shù)形式those代替可數(shù)名詞的復數(shù)。可指人或物，一般后面跟修飾 語。如： Today's cellphones are smaller than those（=t

4、he ones）used in the past. The students who do best in exam are not always those（=the ones） with the best brains.6 .the one（ones或that ,those指代某一名詞做定語從句的先行詞時，其關(guān)系代詞 which在that之后，which不能省略，而在the one ones之后,which可省略。如： Their problem today is somewhat similar to that which they faced many years ago.7 .代替不

5、可數(shù)名詞時，應(yīng)該用 thato 如：The equipment is different from that.8.it代替上文所提到的名詞時，是指同類事物中的同一樣東西，即同類事物。如：I have lost my pen. I'm looking for it.9.it和that可代替前面整個句子的意思，而 one卻不能；that可引導一個限定性 定語從句，代替某個先行詞（單復數(shù)名詞均可），it和one則不能；it可代替不定 式、動名詞或從句，用作形式主語或形式賓語，也可用于強調(diào)句型中，而 one和 that則不能。如：-I will make bed for you. It is

6、very kind of you. Jim said he had read my novel.But that was not possible. A clock is an instrument that tells time. The students that surf the Internet will be punished by the teacher. It is nice to see you again. It is no use calling her up.® I found it impossible for me to pass the test. It

7、was I who broke your window.（鞏固練習）1. -You are learning typing.The computer is very useful.-I hope to have a computer,but I can't afford to buy.學習必備歡迎下載A.oneB.itC.thatD.this2 .This computer is so expensive that I cannot afford to buy.Can you bring the price down a little.A.oneB.thatC.itD.this3 .-

8、I'd like a book on English reading.-Is the book you are looking for?A.oneB.thatC.the oneD.which4 .-His car runs much faster than my car.-That is because the engine in his car works far better than.A.your oneB.yoursC.that of yours D.your car's5 .My shoes are the same as you had on the day bef

9、ore yesterday.A.oneB.onesC.thatD.the ones6 .I was disappointed with the film, I had expected to be much better.A.thatB.thisC.oneD.it7 .Mr Li gave the textbooks to all the pupils except who had already taken them.A.theseB.onesC.the onesD.the others1 .I hope there are enough glasses for each guest to

10、have.A.itB.thoseC.themD.one9 . I hate when people talk with their mouths full.A. itB.thatC.theseD.them10 .-Why don't we take a little break?-Didn't we just have?A.itB.thatC.oneD.this1-5ACCCD 6-10DCDAC學習必備歡迎下載one,that,it,the one 用法解析1. it/one /that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

11、同名異物。I have lost my umbrella; I'm looking for it. （該句中 it 就是指前面的 my umbrella）I have lost my umbrella; I think I must buy one.（one在該句中表泛指，因為 myumbrella 已經(jīng)丟了）The umbrella you bought is cheaper than that I bought.（替代詞 that 在該句中特指 “the umbrella I boughf , 以區(qū)另U “the umbrella you bought'）2. one與th

12、at雖可用來指代同名異物，但one為泛指，相當于a/an+名詞；that 為特指，相當于the +名詞。所以one所指代的名詞的彳飾語一般為 a/an / some /any; that所指代的名詞的修飾語往往是 the /this /that。A chair made of steel is stronger than one made of wood（該句中 one 可以換成 a chair）The water in the cup is hotter than that in the pot.（該句中 that 可以換成 the water）3. one只能代替可數(shù)名詞單數(shù)，代替可數(shù)名詞

13、復數(shù)時用ones; that®可以代替不可 數(shù)名詞也可以代替可數(shù)名詞單數(shù)，代替可數(shù)名詞復數(shù)時用thoseI like this pen more than that one. （one代替可數(shù)名詞單數(shù) pen）There were a few young people and some older ones in the hous eones 代替可數(shù)名 詞復數(shù)peopleMary's handwriting is far better than that of Peter. （that 代替不可數(shù)名詞 handwriting）These pictures are more

14、beautiful than those.（those 代替可數(shù)名詞復數(shù) pictures）4. 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。有時可以用the one或 the ones代替 that 或 thoseThe one /That on the table is mine.（該句中 The one代替事物，并且也可以用 That） He is the teacher, the one who is loved by the students.（該句中 the one代替人, 不 能用thatHe advised the farmers to choose th

15、e best seed-heads, the ones/ those that had the best color.（該句中the ones代替事物，并且也可以用those）5. 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不能有 前置修飾語，但可有后置修飾語。Cook was a strict but good captain, one who took good care of his sailors.The water in the well is cleaner than that in the river.6. it可以替代句中的不定式或從句等，充當形式主

16、語或形式賓語。one與that均 無此用法。It is known to everybody that the moon travels around the earth once every month.I found it hard to get on with her.7. it與that均可以替代上文全句的內(nèi)容或部分內(nèi)容，而one /ones則不可以。He has saved my life; I'll never forget it. （it 代替第一分旬）Tom is painting his house. I am told he does it every four y

17、ears. （it 代替前面分句的部分內(nèi)容 painting his hous8Let's say we meet here at three o'clock. That ought to give you time to buy everything. （That代替前面表述的內(nèi)容）學習必備歡迎下載相關(guān)練習1. Mr Zhang gave the textbooks to all the pupils except who had already takenthem. A. the ones B. ones C. some D. the others2. I find easy enough to get on with Pam. A. that B. this C. one D. it3. If I can stop her coming to you, I shall do. A. those B. which C. these D. it4. I haven't a pen. Can you lend me? A. these B. those C. them D. one5. is necessary that I get the text of my revision typed.A. There B. This C