it/one/that的用法和区别之南宫帮珍创作
创作时间：二零二一年六月三十日 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.
I have lost my umbrella; I'm looking for it. （该句中it就是指前面的my umbrella）
I have lost my umbrella; I think I must buy one. （one在该句中表泛指, 因为my umbrella已经丢了）
The umbrella you bought is cheaper than that I bought. （替代词that在该句中特指“the umbrella I bought”, 以区别“the umbrella you bought”）
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.
A chair made of steel is stronger than one made of wood. （该句中one可以换成a chair）
The water in the cup is hotter than that in the pot. （该句中that可以换成 the water）
III. one只能取代可数名词双数, 取代可数名词复数时用ones; that既
可以取代不成数名词也可以取代可数名词双数, 取代可数名词复数时用 those.
I like this pen more than that one. （one取代可数名词双数pen） There were a few young people and some older ones in the house. （ones取代可数名词复数people）
Mary's handwriting is far better than that of Peter. （that取代不成数名词 handwriting）
These pictures are more beautiful than those. （those取代可数名词复数 pictures）
创作时间：二零二一年六月三十日
创作时间：二零二一年六月三十日
IV. one既可取代事物, 也可取代人, that只能取代事物而不能取代人.有
时可以用the one或the ones取代that或those.
The one ／That on the table is mine. （该句中The one取代事物, 而且也可以用That）
He is the teacher, the one who is loved by the students. （该句中the one取代人, 不能用that）
He advised the farmers to choose the best seed-heads, the ones ／those that had the best color. （该句中the ones取代事物, 而且也可以用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.
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.
VI. it可以替代句中的不定式或从句等, 充任形式主语或形式宾语.one与
that均无此用法.
It is known to everybody that the moon travels around the earth once every month.
I found it hard to get on with her.
VII. it与that均可以替代上文全句的内容或部份内容, 而one ／ones
则不成以.
He has saved my life; I'll never forget it. （it取代第一分句） Tom is painting his house. I am told he does it every four years. （it取代前面分句的部份内容painting his house）
Let's say we meet here at three o'clock. That ought to give you time to buy everything. （That取代前面表述的内容）
［相关练习］
1. Mr Zhang gave the textbooks to all the pupils except _____ who had already taken them.
创作时间：二零二一年六月三十日
创作时间：二零二一年六月三十日
A. the ones B. ones C. some D. the others 2. I find _____ easy enough to get on with Pam. A. that B. this C. one D. it
3. If I can stop her coming to you, I shall do_____. A. those B. which C. these D. it
4. I haven't a pen. Can you lend me_____? A. these B. those C. them D. one
5. _____ is necessary that I get the text of my revision typed. A. There B. This C. That D. It
6. I took _____ for granted that you would stay with us. A. it B. that C. these D. them
7. Few pleasures can equal _____ of a cool drink on a hot day. A. some B. any C. that D. those
8. Of all my old friends, the only _____ I saw much of was Betty. A. it B. that C. one D. this Key: 1—8ADDDDACC 创作时间：二零二一年六月三十日
创作时间：二零二一年六月三十日
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