one-it-that的用法专练PPT课件.ppt

it，one，ones，that，those可以用来代替上文中提到的名词，以避免重复。1.it 1)代替上文提到的名词，指代同一事物(同名同物)，不能带修饰语：-Do you want the magazine?-Yes，I want it.I dont want to drink the teaIt is too hot 2)it用作人称代词时，可指已知的或暗含的事实或情况，或用作形式主语/宾语，也可替代性别不明的婴儿。Once the supermarket closes,it will mean that 200 workers will be laid off.1.It would be a pity to miss it.It is not worth getting upset.I find it difficult to talk to you about anything serious.She thought it a waste of time arguing with him.George made it clear that he disagreed.2.one 1）代替上文中出现过的单数可数名词，表泛指（同类但不是同一）,前面可以有冠词或形容词，也可以有this或that或another，但前不能有物主代词：I have 1ost my penIm going to buy one.This pen doesnt work.I must buy another one.I prefer this one to that one.2.比较：Im looking for a flat.Id like a small one with a garden.Im looking for a flat.Id like one with a garden.（不能说：.a one with a garden.）2）one作为不定人称代词,可泛指“任何一个人”，有ones 和oneself形式。One has to take care of oneself and ones family if he can.3ones是one的复数形式，常用来代替复数可数名词，表泛指.I have a new coat and several old ones.These yellow overcoats are so small.I want those green ones.3.4 the one替代表特指的单数名词：Here are six rings.Pick out the one you like best.Your dictionary is more useful than the one my uncle gave me.5 the ones替代表特指的复数名词：Dont buy the expensive apples;get the cheaper ones.Id like to try on those shoes，the ones near the window.6that用来代替上下文中的名词，它表示与前面同类不同一的东西。that既可代替不可数名词，又可代替单数可数名词，其后总有后置定语，一般不指人：4.Life in the countryside seems more exciting than that in town.Im moving to the countryside because the air there is much fresher than that in the city.注意：that指代可数名词时，that相当于the one,若后置定语为 of 引起的介词短语，则通常用 that。My room is better than that/the one next door.The price of wheat is higher than that of rice.The population of China is larger than that of Japan.5.7those是that的复数形式，可用来替代可数名词的复数形式，表示特指;有时the ones和those可互换使用，常有后置定语：The students in our class work harder than those in their class.The book is more difficult than those we have read before.Students who do well in examinations are those the ones who like to ask questions in class.6.1.I like _ in the autumn when the weather is clear and bright.A.this B.that C.it D.one2.-Do you like _ here?-Oh,yes.The air,the weather,the way of life.Everything is so nice.A.this B.these C.that D.it 3.Im reading a new book these days,_ in English.A.it B.that C.one D.which 4.Mr.Green gave the textbooks to all the pupils except _ who had already taken them.A.one B.the ones C.some D.the othersCCDB7.5.Have you ever seen a snake alive?Yes,Ive seen _.A.that B.so C.one D.it 6.I prefer a street in a small town to _ in such a large city as Shanghai.A.that B.it C.this D.one7.Meeting my uncle after all these years was an unforgettable moment，_ I will always treasure.A.thatB.oneC.it D.what8.May I help you with some shoes，sir?Yes，Id like to try on those white_.A.one B.ones C.twoD.pairCDBB8.9.10.