it、one、that的用法与区别.ppt
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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: The name “whitewater“ comes from the fact that the water in these streams and rivers looks white when it moves quickly. (it代替不可数名词water)
2、And today, if you go to Salt Lake City, you can see a mountain with seagulls on top of it. (it代替可数名词mountain) Id like to look at that atlas. May I borrow it? (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: The population problem may be the greatest one in
3、 the world today. (one代替可数名词problem) -Which jackets are yours? -The white ones. (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, The doctor in our school is younger than that in their school. (that代替可数名词doctor) The weather of this week is worse
4、 than that of last week. (that代替不可数名词weather) The quality of iron produced in your factory is better than that in their factory. (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the ones。如: In China students learn English at school as a foreign language,except for those in Hong Kong,where
5、many people speak English as a first or a second language. (those代替复数名词students) The computers in your office are more expensive than those in our school. (those代替复数名词computers),区别,I. itone 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; Im looking for it. (该句中it就是指
6、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aan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
7、为 aan 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。 I like this pen m
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