1、 1年月周前要用in，日子前面却不行。 遇到几号要用on，上午下午又是in。 要说某日上下午，用on换in才能行。 午夜黄昏须用at，黎明用它也不错。 at也用在明分前，说“差”可要用上to。 说“过”只可使用past，多说多练牢牢记。 【知识梳理】一、介词(prep.) 含义： 表示它后面的名词或代词与其他句子成分的关系。介词分类：时间介词；方位介词；方式介词介词短语：介词+名词; 动词 +介词；be +形容词+介词二、表示方位的介词：1.in, to, on（1）in 表示在某一地区之内的某方位（属于该范围）；Fujian is in the southeast of China.（2）t
2、o 表示在某一地区之外的某方位（不属于该范围）； Japan is to the east of China（3）on 表示与某地的毗邻关系Korea is on the east of China.2.over,above 和 on（1）over 指在.正上方，表垂直在上。There is a bridge over the river.（2）above 指在上方，属于斜上方。Raise your arms above your head（3）on 指在上面，表两物体接触。There is a plate on the table.23.at,in 和 on 的用法区别（1）at 表示较小的
3、地方。at the bus stop, at home（2）in 表示较大的地方。in China, in the world（3）on 表示在一个平面上。on the table4.(1) in front of 在.之前（范围外）。There are some trees in front of the classroom(2) in the front of 表示“ 在.的前部” （范围内）Our teacher usually sits in the front of the classroom.(3)before 所表示的位置关系和 in front of 通用，表示“在.前”，“在
4、.面前”5.below,under（1）below 表示“在下方或位置低于.”，不一定有垂直在下之意；(2) under 表示“ 在. 正下方”。There are many bikes under the tree.The coat reaches below the knees.【例 1】The boat is passing_ the bridge. A. through B. below C. under D. across 【例 2】Two planes are flying_ the city. A. through B. over , C. on , D, below 【例 3】
5、We can see a river running to the east_ the hill. A. under B. below C. over D. on 【例 4】Do you see the kite _ the building. A. over B. cross C. on D. above 【例 5】Is the street too narrow for the bus to go _? A. through B. across C. on D. in 【例 6】A mother camel was walking _ her son _ the desert. A. wi
6、thout; along B. with; through C. next to; pass D. beside; through 【例 7】 The river runs_ the city. A. across B. through C. over D. from 【例 8】It took us over an hour to walk_ this street. A. from B. through C. over D. across 【例 9】-When will Mr. Black come to Beijing? - _ September 5th.A. On B. To C. A
7、t D. In【例 10】 _ the night before Christmas Day, parents fill their childrens stockings with small presents.A. Of B. At C. To D. On3【例 11】There are some birds singing_ the trees. A in B. on C. at D. from 【例 12】There are so many apples_ that tree.A. in B, on C. at D. from 【例 13】 The United States is _
8、 the south of Canada and _ the east of Japan. A to; in B. on; to C. in; beside D. at; on 【例 14】 _ research _ the universe scientists have put a lot of information _ computers. A. With; over; at B. On; at; to C. In; about; into D. For; with; through 【例 15】When a piece of ice is taken _ a warm room, i
9、t gets smaller and smaller until _ the end it disappears completely. A. in; in B. out of; at C. into; in D. to; by 【课堂练习】：1. We traveled overnight to Paris and arrived _ 5 oclock _ the morning.A. on; in B. at; in C. at; on D. in; on2. Jack has studied Chinese in this school _ the year of 2000.A. sin
10、ce B. in C. on D. by3. Hong Kong is _ the south of China, and Macao is _ the west of Hong Kong.A. in; to B. to; to C. to; in D. in; in4. Japan lies _ the east of China.A. to B. in C. about D. at5. I wont believe that the five-year-old boy can read five thousand words _ I have tested him myself.A. af
11、ter B. when C. if D. until6. The book was so interesting that he had read it for three hours _ he realized it.A. when B. until C. after D. before7. Look the map China the wall, please. A after, of, in B at, of, in C after, in, on D at, of, on 8. - Please remember to come to my birthday party. - I se
12、e. Ill come Saturday evening. A in B at C on D for9. They will have a maths test two days A for B at C in D after10. My brother joined the army A 1989， March B in March， 1989 C March， 1989 D 1989， in March 11.Its good manners to wait line A in B on C at D with 4【课后作业】1.We had our breakfast a quarter
13、 seven A /， to B in， to C at， to D on， to2. Its good manners to wait line A in B on C at D with3. How many English words had you learnt last term? A by the end of B at the end of C to the end of D till the end of 4. I was born the night September 15， 1978 A in， on Bat， on Cat， in Don， of 5. Its a ba
14、d manner to laugh people when they are trouble A over， in Bat， in C in， at D at， for6. The peoples Republic of China was founded 1949 A with B on C since D in7. He arrived _ Guangzhou _ noon.A. in; in B. to; at C. in; at D. at; in8. They work _ a small farm _ a river.A. on; by B. at; on C. by; on D. in; in参考答案：例题C B B D A B B B A D A B B C C课堂练习B A A A D D D C C B A 课后作业C A A D B D C A
