不定代词one.doc

不定代词one 数词one与代词one的区别 数词one指数字一，代词one代替前面提到过的人或事物 eg:1. I have one book,but he has three.It’s unfair. 2.This is not the one I want.. How many sisters do you have?—I have . 二、it ,one和that在用法上的不同 it用来指特定的东西，复数用they，it只能用来指物，它所指的特定东西是前面提到过的某物，即指代的是同类同物！ eg: A:May I use your bike? B:Sure, you can use it.=(the bike). eg: A:May I use your books? B:Sure, you can use them.=(the books). Which of the table cloths do you like better,the green or the yellow ? one代替前面提到过的名词（人或物），并不特指（如特指应加限定词the,this） eg:Can you lend me a pen? I’m sorry, I haven’t got one.(前面提到过的事物，不特指) Which one do you prefer? This one on the left.（特指） that代表一个对等的部分，复数用those. eg: The weather in Beijing is colder than that(=the weather)in Guangzhou. One的所有格形式是one’s，但只有当作主语时，句子中才能用one’s eg: One must do one’s duty. Should look after oneself. Should be strick with oneself. Everyone must do best to help others. One/Ones用法 One/Ones可指人也可以指物. Which one? –The one on the right. Look at the girl. –Which one? The one in red skirt. Of the girls got a first prize in the 100-metre run.. Let’s read the text by . One/Ones用来代替前面出现过的可数名词，可避免重复 Eg:This roon is dirty,please show me another one. Do you have a computer?—Yes ,I have . She has got a washer.I want to buy ,too. There are forty new desks and ten old in the classroom. Is this your shirt?—No, mine is a blue . One/Ones指的都是同类事物，one代替单数，ones指复数 Eg:A:Look,there are many pictures. B:Which one(the picture) do you like best? B:Which ones(the ppictures) do you like best? Look at the boy.—which ? The wearing the blue sweater. Which boxes are bigger?—These or those ? I’v been looking for an umbrella,but I can’t find . I like small cars better than large . One的前面可用the,this,that,which来修饰，同时还能用形容词来修饰！ Eg: There are three pens,which one is yours,this one or that one or the one in the pencil box. I have an old bike, but he has a . The pen is blue ,will you please give me a