1.概念
介词（虚词），不能在句子中独立充当成分。它总是用于名词、代词、或相当于名词的其它词类 或短语活从句前。 中考需要掌握的 11 个介词：in、on、at、to、from、by、with、for、about、after、before 表示时间的介词。 2.介词基本用法 A.表示时间的介词
in表示年、季节、月份、周，或泛指上午、下午或晚上；on表示某一天，某一天的上午、下午或晚上；at表示某时刻或时间上的某一点。
at seven o'clock at 表示具体“钟点”时间 at half past two 主要用于具体的某一天或某一天on 的上午、下午或晚上，还用于具有某种特征的一天。 on a rainy evening in the 21st century / in in 用于世纪、年、季节、月 2012 / in spring / in January on Monday on August 8th, 2008 固定 in the morning / afternoon / evening at noon / night / midnight 用法 At noon; at night B.表示方位的介词
on意为“在……的上面”；over意为“在……（垂直）的正上方”；above意为“在……（不一定垂直）的上方”；under意为“在……（垂直的）正下方”；below意为“在……（不一定垂直）的下方”；near意为“在……附近”；next to意为“紧挨着……”；round / around意为“在……周围”；by意为“在……旁边”；表示两者的位置关系时in表示“在同一区域内或同一范围内”；on表示“接壤；相邻”；to表示“相离；相隔”，两者不属同一范围，也不接壤。
介词 on under in 意 义 在……上 在……下 在……里 schoolbag. There is a tree in front of the in front of 在……前 house. behind beside 在……后 He is standing behind me. 例 句 His book is on the desk. The football is under the chair. There is a pencil case in the 在……旁边 Tom is sitting beside the window. C.表示延续时间的介词
in + 时间段 在……之后（内），多用于将来时 after +时间段 在……之后， 多用于过去时 for + 时间段 常用于现在完成时 for + 时段
since + 时段 + ago 常用于现在完成时 have + done since + 时间点 since + 一般过去时句子 D．表示方式的介词
介词用来表交通，常把by, in, on来用； 限定、复数用in / on，by要直通海陆空； 骑马、骑车惯用on，小轿车前in才通。 【注】
1. by + 交通工具，意为“乘坐……”。如：
海：be ship / boat / sea 陆：by bus / car / train / bike / taxi 空：by air / plane / spaceship
2. on / in + 限定词 + 交通工具，意为“乘坐……”。如：
He goes to work on the bike / in his car. 他骑自行车 / 开车去上班。 on foot为固定短语，意为“步行”。 E. 表示运动方向的介词
across意为“从……表面穿过”，或沿某一条线的方向而进行的动作；through意为 “从……内部穿过”，past和by表示“从旁边经过或路过”。如： Please be careful when you go ________ the street. Look! The mosquito is trying to fly ________ the window. F.其它介词
1.between 在两者之间among 在……当中（三者或以上） during 在……期间 G.常用介词用法歌诀
in在里面on在上，by和beside在近旁；above表示在上方，below恰好为反向。
若表正上用over，under表示正下方。in front of表在前，反义behind
在后面。
从里穿过用through，表面通过across。进到里面用into，落到上面用
onto。 from表示自何方，to和towards表朝向。小小介词用处大，反复实践掌握它。
学以致用—— 一. 单项填空
1. We traveled overnight to Paris and arrived _______ 5 o’clock
______ the morning.
A. on; in B. at; in C. at; on D. in; on 2. Where’s Lily? We are all here _______ her. A. beside B. about C. except D. with
3. She sent her friend a postcard _______ a birthday present. A. on B. as C. for D. of
4. Jack has studied Chinese in this school _______ the year of 2000. A. since B. in C. on D. by 5. ---What is a writing brush, do you know? ---It’s _______ writing and drawing. A. with B. to C. for D. by
6. English is widely used ______ travellers and business people all
over the world.
A. to B. for C. as D. by
7. ______ the help of my teacher, I caught up with the other students. A. Under B. In C. With D. On
8. HongKong is ______ the south of China, and Macao is ______ the
west of Hong Kong.
A. in; to B. to; to C. to; in D. in; in 9. ---You’d better not go out now. It’s raining.
---It doesn’t matter. My new coat can keep ______ rain. A. in B. of C. with D. off 10. Japan lies ______ the east of China. A. to B. in C. about D. at
11. ---Will the foreigners have any problems talking with Chinese in
2008?
---I don’t think so. Now ______ the young ______ the old can speak
some English.
A. either…or B. not only… but also C. neither…nor D. both…or
12. We didn’t catch the train _______ we left late. A. so B. because C. but D. though
13. Tom failed in the exam again ____ he wanted to pass it very much. A. if B. so C. though D. as
14. I won’t believe that the five-year-old boy can read five thousand
words ______ I have tested him myself. A. after B. when C. if D. until
15. The book was so interesting that he had read it for three hours
______ he realized it.
A. when B. until C. after D. before 16. ---This dress was last year’s style.
---I think it still looks perfect ______ it has gone out this year. A. so that B. even though C. as if D. ever since 17. Hurry up, _______ you will miss the train. A. and B. so C. however D. or
18. The mountain was ______ steep _____ few people in our city
reached the top.
A. so…as B. so…that C. as…as D. too…to
19. ---Do you remember our pleasant journey to Xi’an?
---Of course. I remember everything ______ it happened yesterday. A. as soon as B. even though C. rather than D. as if
20. ______ you can’t answer this question, we have to ask someone
else for help.
A. Although B. While C. Whether D. Since 二. 用适当的介词填空
1. ---How are you going to the train station to meet your aunt? ---I’m going there _______ my car.
2. Mum, today is Mother’s Day. Mike and I want to invite you to have
dinner _____ us at Zhonglou Restaurant. 3. Hangzhou is famous ______ the West Lake.
4. Today some newly-produced mobile phones can take pictures
______ a camera.
5. Could you tell me if there is a flight to the capital ____ March, 25th? 6. We all agree ______ you. Let’s start at once. 7. There is a big shop ______ the other side of the road.
8. ---Which necklace have you lost?
---The one you gave me _____ my birthday.
9. You should take more exercise. It’s good ______ your health. 10. It is clear that fish cannot live _______ water.
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