1、介词介词1.1.介词（介词（prepositionpreposition）是用于名词、代词或）是用于名词、代词或相当于名词的结构之前，表示词语之间意义相当于名词的结构之前，表示词语之间意义关关系的词，介词又称前置词，它是一种虚词，系的词，介词又称前置词，它是一种虚词，不不能在句中单独承担成分。能在句中单独承担成分。2.2.按照词义，介词可分为表地点、表时间、按照词义，介词可分为表地点、表时间、表表除去、表比较、表反对、表原因、表目的、除去、表比较、表反对、表原因、表目的、表表结果、表手段、表方式、表所属等。结果、表手段、表方式、表所属等。3.3.要求掌握的介词主要是要求掌握的介词主要是 in、
2、on、at、to、from、by、with、for、about、after、before 等十几个。等十几个。1.在树上在树上 in the tree/在同一个班在同一个班 in the same class/在北京在北京 in Beijing2.在世界上在世界上 in the world/在河里在河里 in the river/在城市在城市 in a city3.在阳光下在阳光下 in the sun/在北方在北方 in the north/in China 在中国在中国4.在第五中学在第五中学 in No.5 Middle School5.在在的前部的前部 in the front of
3、在在前面前面 in front of 6.在在中间中间/（内部）角落（内部）角落 in the middle/corner of7.固定用法：住院固定用法：住院 in hospital/在露天在露天 in the open air/躺着看书躺着看书read in bed8.站成行站成行 stand in line/处于危险中处于危险中 in danger/处于麻烦中处于麻烦中 in trouble/惊奇地惊奇地 in surprise9.用英语用英语 in English/穿红色的穿红色的 in red/以以方式方式 in way of表示大地方，表示空间、地域或者物体内部应用表示大地方，表示
4、空间、地域或者物体内部应用in，或表，或表示在示在范围之内。范围之内。inonunderWhere is Tom?1.在在的尽头的尽头 at the end of/在大门口在大门口 at the gate/在第二在第二个十字路口个十字路口 at the second crossing2.在公共汽车站在公共汽车站 at the bus stop/在校读书在校读书 at school/在家在家 at home3.在医院诊所在医院诊所 at the doctors/在在头部头部/脚下脚下 at the head/foot of4.at the station/airport/zoo/post off
5、ice5.at the front door/at the cinema/supermarket/meeting/party/the crossroad6.固定用法：固定用法：stay at home/at work/at table 在吃饭在吃饭表示较小的地方，表示空间的某一点，出入口等，选表示较小的地方，表示空间的某一点，出入口等，选at 1.在墙上在墙上 on the wall/在在的另一边的另一边 on the other side of/在左边在左边/右边右边 on the left/right2.在左在左/有手边有手边on the left/right hand side/在火车上
6、在火车上 on the train3.在电视在电视/收音机收音机/电话电话/网上网上 on TV/the radio/the telephone/the Internet4.固定用法：访问固定用法：访问 on a visit to /展览展览 on show5.在去在去的路上的路上 on the way to 6.on my head/nose 表示附着在表面上，覆盖等，表示接触的面上、边上、线表示附着在表面上，覆盖等，表示接触的面上、边上、线上，用上，用on。比较：比较：a hole in the floor/wall There are many apples on the tree.Th
7、ere are many birds in the tree.LucyLilyMarySunnySunnyKittybetweennext toTommyin front ofbehind 几组表示位置关系的介词比较几组表示位置关系的介词比较 D典型例题：典型例题：1.Japan is in the east of Asia.2.Japan is to the east of China.3.Korea is on the northeast of China.巩固练习：巩固练习：1.B is in the east of A.2.D is to the east of A.3.C is on
8、 the east of A.CBADnortheastsouthwest 0fffall/jump off the treein the treeon the treeonaboveoverbelowunderbeneath above,on 和和 over 都有都有“在在之上之上”的意思，的意思，on表示接触早表面上，如表示接触早表面上，如a book on the desk;above 和和 over 表示表示“位于某物上方位于某物上方”或或“高高于于”，不接触表面。，不接触表面。Over指在垂直的上方，指在垂直的上方，而而above通常指不垂直的上方。通常指不垂直的上方。5.acros
9、s&throughthroughacrossacross(across(从表面穿过从表面穿过)/through)/through（从内部穿过）（从内部穿过）1.Taiwan is one of the provinces of China and it is _of China.A.in the northeast B.in the southeast C.to the east D.to the south2.China lies_the east of Asia and _the north of Australia.A.to;to B.in;to C.to;in D.in;onBB3.B
10、efore 1990 there was no airline_the 3.Before 1990 there was no airline_the two cities.two cities.A.along B.in C.between D.amongA.along B.in C.between D.among 4.The food _my country is quite different4.The food _my country is quite different _that here._that here.A.in;like B.to;from C.from;to A.in;li
11、ke B.to;from C.from;to D.in;from D.in;from5.Theres a map_the world _ the wall.5.Theres a map_the world _ the wall.CD6.There are many apples_the tree.A bird _the tree is picking an apple.A.in;on B.on;in C.in;at D.to;of 7.The Young Pioneers walked _the gates with Uncle Wang.A.through B.across C.over D
12、.after BA8.When the bell rang for class,all the students went_the classroom.Our teacher came _his office and threw his book _ the teachers desk angrily.A.in;out of;on B.into;from;on C.into;from;onto D.in;out of;onto9.She has several friends here but she talks little _them.A.between B.among C.on D.du
13、ringCB1.at(1.at(在在小地方小地方)/in)/in（在（在大地方）大地方）/on on（在（在表面之上）表面之上）2.between and (2.between and (两者两者)among()among(三者以上三者以上)3.in3.in（范围内）（范围内）/to/to（范围外）（范围外）/on/on（相邻）（相邻）4.above4.above（之上，高于）（之上，高于）/over/over（垂直上方）（垂直上方）/on/on 在在上面上面 5.by5.by就在旁边就在旁边/beside/beside 近旁紧靠近旁紧靠=next to /near=next to /near 附近附近 6.across(6.across(从表面穿过从表面穿过)/through)/through（从内部穿过）（从内部穿过）7.in/into(7.in/into(强调运动变化强调运动变化)on/onto)on/onto（表示位置改变）（表示位置改变）Goodbye Class!Goodbye Class!
