英语中各种词的用法介词是一种用来表示词与词, 词与句之间的关系的词在句中不能单独作句字成分介词后面一般有名词代词或相当于名词的其他词类，短语或从句作它的宾语介词和它的宾语构成介词词组，在句中作主语, 状语，表语，补语或介词宾语例如: Most of the students went to the classroom. 大部分学生去了教室 We play basketball on the sports ground. 我们在操场上打蓝球 介词常与动词,形容词,名词一起构成固定搭配 belong to 属于 rely on 依靠 talk to 同 ...谈话 be afraid of 害怕 be strict with 对...严格 介词一般放在名词之前但它后面的介词宾语是疑问代词,疑问副词或者关系代词时，这些词提到了前面而只剩下介词在后了 Where do you come from? 你是哪儿人? Who are you talking to? 你在跟谁谈话呢? What do you study for? 你为了什么而学习? 介词在英语词汇中所占比例很小，但它们的用法却非常灵活,复杂。
以下是一个例子: about 关于,附近 ,大约,周围,随身 . I have bought a book about Shakespearean. 我买了一本有关莎士比亚的书 1. WITH(1)v+with(a) v+withbegin, mix, agree, deal, fight, meet, play, quarrel, do, fool, reason, correspond, comply, settle.(b) v + sth (sb) + with + sth (sb)compare, provide, supply, feed, replace, combine, equip, furnish,(2)adj+withangry, strict, pleased, busy, covered, satisfied, filled, wrong, wild, crowded, connected, popular, covered, patient, annoyed, acquainted, delighted, confronted, content, friendly, identical, frank, concerned, bored, afflicted, associated, blended, burdened, comparable, consistent, disappointed, displeased, endowed, enraged, exhausted, familiar, gifted, impatient, infested, intimate, irritated, level, moved, occupied, overcome, popular, satisfied, vexed(3) n+withacquaintance, alliance, trouble, talk, chat, connection, consultation, conversation, sympathy,2. AT(1)v+ataim, point, snatch, wonder, strike, work, look, glance, laugh, run, catch, shoot, stare, glare, thrust, smile, call, fire, tear, knock, winder, arrive, come, gasp(2)adj+atamused, delighted, angry, good, surprised, astonished, pleased, terrified, clever, alarmed, astonished, clumsy, disgusted, impatient, quick, startled, surprised(3)n+atknock, pull, look, glance, smile, game, astonishment, surprise, alarm,3. IN(1)v+inget, lie, turn, draw, believe, share, take, drop, give, call, hand, succeed, bring, result, trade, involve, check, count, cut, indulge, pour, participate, intervene, fill,join, confide, trust, believe, persist, consist,(b) V+sb(sth)+inhelp, spend(2)adj+inrich, interested, active, disappointed, engaged, busy, weak, expert, successful, absorbed, skilled, concerned, experienced, confident, employed, accurate, clothed, diligent, negligent, proficient, prompt, versed,(3)n+ininterest, progress, satisfaction, faith, belief, confidence, response, pride, perseverance, harm, difficulty,pleasure, confidence, delight,4. FROM(1)V+from(a) V + fromlearn, die, come, suffer, hear, fall, rise, hang, escape, date, depart, result, descend, refrain, abstain, differ, distinguish, derive, expel, conceal, judge(b) V + sth ( sb) +from + sth ( sb or a place)borrow, protect, receive, separate, keep, stop, prevent,deter, choose, remove, save, dissuade, excuse, restrain(2)adj+fromdifferent, far, tired, made, separate, absent, distinct, hidden, made,(3)n+fromletter, visitor,absence, difference, protection, relief, rescue,5. OF(1)V+of(a) V+ofconsist, dream, hear, tell, think, know, talk, die, speak(b) V+sb+of+sthrob, warn, inform, remind, accuse, cheat, convince, relieve, deprive,(c) V+sth+of+sbask, beg, demand, require,(2)adj+ofaware, careful, free, short, sure, certain, worthy, afraid, hopeful, proud, full, tired, made, capable, impatient, considerate, characteristic, guilty, capable, composed, jealous, ashamed, envious, ignorant, apprehensive, bare, cautious, clear, composed, conscious, descriptive, exclusive, forgetful, fond, hard, incapable, informed, innocent, made, mindful, neglectful,observant, possessed, productive, regardless, rid, sensible, sick, susceptible, weary(3) n+ofquality, number, sample, choice, impression, neglect, attack, care, consideration, pleasure, doubt, way equivalence, possibility, example,6. ON(1)v+on(a) v+onact, lean, live, work, depend, look, wait, turn, switch, pull, have, keep, call, put, push, speak, insist, push, collaborate, count, frown, reckon, speculate, figure, carry,(b) V+sb(sth)+ON+sb(sth)congratulate, spend, base, fix(2)adj+onhard, keen, dependent, based, impressed,(3)n+onbook, discussion, lecture, advice, opinion, impression, attack, dependence, judgment, pity, mercy, authority7. TO(1)v+to(a) v+tolisten, stick, refer, turn, point, reply, occur, attend, see, lead, happen, come, get, write, hold, agree, belong, adapt, attribute, object, subscribe, adjust, accede, yield, resort, relate, respond, testify, succumb,(b) v+to+sbannounce, describe, explain, express, mention, report, say, shout, suggest, whisper, speak, talk, nod,(c) v+sth(sb)+sth(sb)devote, compare, add, introduce, invite, leave, join, reduce, sentence, carry, take,(2)adj+toequal, opposed, true, familiar, close, near, kind, harmful, polite, rude, similar, useful, married, known, used, good, dedicated, fair, essential, parallel, related, sensible, relevant, possible, indifferent, devoted, comparable, necessary, contrary, suitable, strange, close, alike, opposite, familiar, inferior, superior, proportionate, accessory, accustom。