介词的分类 1.介词不能单独作句子的成分，而是用来表示名词或代词等和句中其他词之间的关系，通常放在名词或代词之前，构成介词短语。

根据结构，介词主要分成四种：1）简单介词：about, across, after, against, among, around, at, before, behind, below, beside, but, by, down, during, for, from, in, of, on, over, near, round, since, to, under, up, with 2）合成介词：inside, into, outside, throughout, upon, without, within 3）短语介词：acco rding to, along with, apart from, because of, in front of, in spite of, instead of, owing to, up to, with reguard to4）分词介词：considering, reguarding, including, concerning2.从意思上考虑，介词可分为下面三类：1）引导时间短语的介词：at, on, in, during, before, after, over, from, following, by, till, u ntil, towards, for, throughout, upon, since, pending, all through, prior to2）2) 引导地点状语的介词：in, at, across, to, down, under, near, between, over, from, int o, through, onto, off, outside, out of, inside, within, beside, behind, below, among, beyond, against, around, before, up, ahead of, via, in front of, under, along, past, opposite, above, next to3）3) 引导其他短语的介词：by, with, about, except, like, of, according to, instead of, wit hout, in, due to, because of, along with, as for, in spite of, on account of owing to, on b ehalf of, against, apart from, for, failing, plus, including, in regard to, with regard to用适当的介词填空：st Saturday I was busy ______ my homework .2.My teacher was very angry ______ me because I was late ______ school again.3.Kathy prefers a hula hoop ______ a book.4.I will invite some friends ______ my eighteenth birthday party.5.How long has he worked ______ an inventor.6.My uncle arrived ______ the airport ______ the morning of May 3.7.I will always help my friends when they are ______ trouble.8.There is nothing ______ air ______ space.9.I won't be back ______ June.10.______ the age ______ twenty, he had written two books.11.Mary fell ______ her bike and hurt her right leg.12. He has been away ______ China ______ three years ago.13.When I was ______ school, I was ______ the school football team.14. I think he will be ______ two o'clock.15.The teacher was given some flowers ______ his students.16.Look, the birds are singing ______ the tree.17.He left the classroom ______ all the windows open.18.My sister is ill today. She doesn't feel ______ eating anything.19.It's too dangerous. You must keep the children away ______ the fire.20.My parents arrived ______ a cold night.21.You should apologize ______ her ______ stepping on her foot.22.The students are sitting ______ the table, reading the newspaper.23.The city is famous ______ its football, and people there are very proud ______ their city football team.24.We are doing better ______ English ______ our teacher's help.25.Don't worry ______ me. Everything is going well ______ me.26.He was late ______ school today, and she came late ______school, too.27.------ Do you know what happened ______ Peter yesterday?------ He was hit ______ a car.28.I like clothes made ______ cotton.29.He will go to Hangzhou ______ his car tomorrow.30.______ my surprise, the Englishman gave up halfway ______the end.Key: 1. with 2. with, for 3. to 4. to 5. At 6. at, in 7. in, 8. but, in 9. until 10.At, of 11. off 12. from, since 13. in, on/in 14. in 15. by 16. in 17. with 18. like 19. from 20. on 21. to, for 22. at 23. for, of 24. in, with 25. about, with 26. for, to 27. to, by 28. from 29. in 30. To, in例题1. ---What time did you get there this morning?--- _________ eight.A. InB. OnC. AtD. From2. He has got a chair to sit _______, but nobody to talk ________.A. on, toB. / , withC. on, /D. / , to3.Where's Lily? We are all here ________ her.A. besideB. aboutC. exceptD. with4.Shanghai lies ________ the east of China.A. toB. inC. onD. at1. C.2. A3. C.4. B.强化练习题 1. She heard a terrible noise, ______ brought her heart into her mouth.A. itB. whichC. thisD. that B2.The teacher gave the books to all the students except _______who had already tak en them. A. ones B. some C. the ones D. the others3.Our manager allowed _______to take a holiday next week.A. you and IB. yourself and meC.I and youD. you and me D4. Although he 's wealthy，he spends___ on clothes.A. littleB. fewC. a littleD. a few A5. They were all tired, but _____ of them would stop to take a rest.A. anyB. someC. noneD. neither C6. I don’t know whether small or anges are sweeter than big ______.A. thoseB. onesC. oneD. that B7. When they met, they stopped and said hello to_______.A. each otherB. each anotherC. the other each D .each one A8. After everyone took_______ place, the meeting began.A. hisB. theirC. thereD. the A9. －Why don’t we take a little break?－Didn’t we just have _______?A. itB. thatC. oneD. this C10. If you want to change for a double room you’ll have to pay ___$15.A. anotherB. otherC. moreD. each A11. We should always keep ______ well-informed of the changing information.A. usB. oursC. ourselvesD. we C12. Give the message to ______ is at the table.A. whomeverB. whoseverC. whateverD. whoever D13. I found _______impossible for _______to work out the maths problem.A. it; himB. it; heC. that; himD. that; he A14. Few pleasures can equal _____ of a cool drink on a hot day.A. someB. anyC. thatD. those C15. I hate ______ when people talk with their mouths full.A. itB. thatC. theseD. them A16. Mary learned Chinese for about two years, _______is, from 1993 to 1995.A. thisB. thatC. itD. he B17. She is doing her homework.I'll do_______.A. suchB. soC. the sameD. the same as B18. In some restaurants, food and service are worse than ______ used to be.A. theyB. itC. themD. that A19. Everyone who comes to the party is given a wooden apple with _____ ow n names cut in it as a souvenir.A. hisB. herC. theirD. our A20. Children can usually dress ______ by the age of five.A. himB. themC. himselfD. themselves D答案与解析（部分）1. B 在非限定性定语从句中指代前面的整个句子，应用which。