常用易混淆介词辨析.doc

常用易混淆介词辨析1、 after/ in 皆可表示时间在之后，其区别为：after 1）表示“在某点时间之后”，用于将来时。如： Well go out for a walk after supper. 2）表示“一段时间之后”，用于过去时。如： My mother came home after half an hour.in表示“一段时间之后”，用于将来时。如： Well go to school in two weeks.2、at/in/on at seven oclock（具体某一时刻用at） in April /in April,2002（具体某一月份或年份用in） on April 5,2002/on the morning of Monday（具体某一天用on）3、in /by /with He writes in black ink.（用材料） The guard cut one boot open with a knife.（用工具） She always goes to school by bike.（用手段）4、between /among Can you say the differences between the two words?（两者之间） Premier Chou En-lai lives among the people for ever.（三者或三者以上）5、besides /except We have seen the crocodile besides Lifang.（除之外，还有）全部计算在内 We are all Chinese except Tom in our class.（除之外）不计算在内6、on /over/ above There is a boat on the desk（在某物面上，与此物接触。） There is a bridge over the river.（在某物正上方，与此物不接触，或横在某物上，或覆盖在某物上。） She spread a cloth over the table. He held his heads above his head. （“在上”，强调“高于。”）7、on/ in / to Mongolia is on the north of china.（与中国接壤，不属于中国） Japan is to the east of china.（不属于中国，且不接壤） Taiwan is in the east of China.（台湾属于中国）8、since /forsince 表示从过去某一时间以来for 表示一段时间 I have been living here since 1982.（自1982年以来，我一直住在这里） I have been living here for 20 years.（我已经在这里住了20年了）9、of /from The desk is made of wood（看得出材料） Paper is made from wood.（看不出材料） The bread is made up of flour, sugar and milk.（由数种成分组成）10、by /on He used to go to school by bike.（抽象概括） He came to school on this bike yesterday.（具体到哪一辆车）11、of /for Its kind of you to come to see me.（既说明不定式本身特点，又说明逻辑主语的品性） Its important for you students to learn English well.（只说明不定式本身的特征）12、of /in This is the most interesting of all the stories.（从个体的集体着眼） China has the largest population in the world.（从总体概括着眼）13、of /about /on表示“谈及，论述” Do you know of American singer John Denver?（涉及浅层关系） I have never heard about him.（表示谈论等深一步的关系） This book is on grammar.（以为主要内容）14、through /past/across The new railway runs through the small town.（穿过） He walked slowly past the tall building.（从旁边经过） Mary walked across the park to do some shopping.（强调从一边到另一边）15、by/ with通过手段 We write with a pen.（表示较具体的事物） Theres nothing to gain by waiting.（表示抽象）16、despite = in spite of（介词） / although（连词）despite 是介词，后面接名词或动名词，不能跟句子although是连词，后面要跟句子。 Although I was ill yesterday, I still went to school. Despite failure in the exam, I still have a chance to win in the term.17、as /likeas 1）用作介词时意思为“作为，充当”如： She acted as an interpreter. 2）用作连词时 意思为“像一样；当，由于” As it was cold, I didnt go outside.like 用作介词，意思为像一样 John sings like a nightingale.18、by day（指白天）/ by the day（按日计算） I worked here by day and I am paid by the day.worth 的用法worth，worthy，worth-while都为adj.意为值得。1. worth： be worth + n. 当名词为金钱时，表示 值得be worth doing sth.某事值得被做The question is not worth discussing again and again.2. worthy：be worthy of +n.当名词为抽象名词时表示值得be worthy to be done 某事值得被做The question is not worthy to be discussed againand again.3. worth-while： be worth-while to do sth 值得做某事 worth while： It is worth while doing sth It is worth while sb to do sth.典型例题It is not _ to discuss the question aga