英语词性变化一万个字,我怕写不下.还有我不要那个QB,就是大过年的为人排忧解难就心里舒服,呵呵,交个朋友更好,如果你看的起我.QQ330968442/kaoshi/english/PETS/PETSb/200501/kaoshi_19216.html(1)名词100个一、最常见的名词复数(Plural)就是在单数(Singular)名词后边加上一个sboy boyscat catsroom roomshorse horsestree treesrose roses二、如果名词是以sh,ch,s或x结尾的话，那就要在单数的后面加上eslash lashes 鞭子push pushesbranch branchesmatch matchescoach coaches 教练gas gasesass asses 驴子class classesbox boxesfox foxes三、如果名词结尾是一个子音(consonant,就是除了a,e,i,o,u之外的字母)加一个y，那就要将y换成i，再加上esbaby babiesfamily familiespony poniescity citiescountry countries四、可是，如果名词结尾是一个母音(vowel，就是a,e,i,o,u)加一个y，那只要在单数词后加一个s就成了play playsway waysvalley valleys 山谷donkey donkeystoy toysboy boysguy guys五、当单数名词的结尾是f或fe时，复数的写法就是将f改为v，再加esthief thievesshelf shelvesleaf leavescalf calveshalf halveswolf wolveswife wiveslife lives可是，f结尾的单数字，有许多只需加个s就成复数（你看，这又是英文的bugs）roof roofshoof hoofschief chiefscliff cliffsgulf gulfs六、结尾是o的单数词，一部份只加s就成复数词，但有的却需加es，真令人捉摸不定呀piano pianosphoto photosbamboo bambooszoo zooskangaroo kangaroos 袋鼠mulatto mulattos 白黑混血儿hero heroesmango mangoespotato potatoesvolcano volcanoesnegro negroes 黑人cargo cargoesecho echoesbuffalo buffaloestomato tomatoesmosquito mosquitoes七、由于古老传统的原因，一些单数词得加en才能变成复数词（鬼知道是什么原因）：ox oxenchild children (你看，这个就不守规矩了，不是加en ,是ren呀) brother brethren (哎呀，这个这个……是bre，不是bro）八、一些单数词得改头换面一番,才能变成复数词的哦：analysis analyses 分析basis bases 基础datum data 数据foot feetformula formulae/formulas 公式goose geeselouse lice 虱子man menmouse micemedium media/mediums 媒介memorandum memoranda/memorandums 备忘录parenthesis parentheses 圆括号phenomenon phenomena 现象radius radii 半径tooth teethwoman women九、有些名词是单数、复数不分的，很可爱是吗？deerfishcannonsheepsalmon 鲑鱼trout 鳟鱼（许多鱼类都是这么"可爱"的呀。
）十、一些名词虽分单数、复数，但出现次数多的总是单数词：abscenceclothingfilmhelpfurniture 家具machinery 机械newsscenery 风景sugartraffic 交通十一、另一些名词则以复数词出现的机会较多：bellows 风箱clothespoliceshorts 短裤scissors 剪刀spectacles 眼镜shears 大剪刀trousers 长裤wages 工资十二、最后一类是compound nouns，这类复数词是以主要的名词来表示：coat-of-mail coats-of-mail 锁子甲daughter-in-law daughters-in-law 媳妇father-in-law fathers-in-law 岳父man-of-war men-of-war 兵舰maid-servant maid-servantsstep-son step-sons 晚子son-in-law sons-in-law＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞＜＞名词复数的不规则变化1）child---children foot---feet tooth---teethmouse---mice man---men woman---women注意：与 man 和 woman构成的合成词，其复数形式也是 -men 和-women。
如： an Englishman，two Englishmen. 但German不是合成词，故复数形式为Germans；Bowman是姓，其复数是the Bowmans。
2）单复同形如：deer，sheep，fish，cattle, deer, salmon, Chinese，Japaneseli，jin，yuan，two li，three mu，four jin但除人民币元、角、分外，美元、英镑、法郎等都有复数形式。
如:a dollar, two dollars; a meter, two meters3）集体名词，以单数形式出现，但实为复数。
如： people police cattle 等本身就是复数，不能说 a people，a police，a cattle，但可以说a person，a policeman，a head of cattlethe English，the British，the French，the Chinese，the Japanese，the Swiss 等名词，表示国民总称时，作复数用。
如： The Chinese are industries and brave. 中国人民是勤劳勇敢的。
4）以s结尾，仍为单数的名词，如：a. maths，politics，physics等学科名词，为不可数名词，是单数。
b. news 是不可数名词。
c. the United States，the United Nations 应视为单数。
The United Nations was organized in 1945. 联合国是1945年组建起来的。
d. 以复数形式出现的书名，剧名，报纸，杂志名，也可视为单数。
"The Arabian Nights" is a very interesting story-book.<<一千零一夜>>是一本非常有趣的故事书。
5) 表示由两部分构成的东西，如：glasses (眼镜) trousers, clothes若表达具体数目，要借助数量词 pair(对，双); suit(套); a pair of glasses; two pairs of trousers6）另外还有一些名词，其复数形式有时可表示特别意思，如：goods货物，waters 水域，fishes（各种）鱼(2动词)以下写出它们的现在分词和单三.be build buy can catcham,is choose come cost cutare dig draw drink drivebeat fall feel find flybecome forget freeze grow hangblow hear hide hit holdbreak hurt keep know laybring leave lend let lielose may mean meet mistakeride ring rise run saysee sell send shall shineshow shut sink sleep smellspeak spend spill spit spoilstand steal sweep teach tellthrow understand wake pay willwin die以下写出过去式和现在分词,单三.look start livehope use stop plan studycarry worry talk snow washugree decide discuss shop wait travel walk turn cool need relax follow close help talk enjoy解be being is/ambuild building buildsbuy buying buyscan (无)(无)catch catching catchesam (无)(无)is（无）（无）choose choosing choosescome coming comescost costing costscut cutting cutsare(无)(无)dig digging digsdraw drawing drawsdrink drinking drinksdrive driving drivesbeat beating beatsfall falling fallsfeel feeling feelsfind finding findsfly flying fliesbecome becoming becomesforget forgetting forgetsfreeze freezing freezesgrow growing groweshang hanging hangsblow blowing blowshear hearing hearshide hiding hideshit hitting hitshold holding holdsbreak breaking breakshurt hurting hurtskeep keeping keepsknow knowing knowslay laying laysbring bringing bringsleave leaving leaveslend lending lendslet letting letslie lying lieslose losing losesmay (无)(无)mean meaning meansmeet meeting meetsmistake mistaking mistakesride riding ridesring ringing ringsrise rising risesrun running runssay saying sayssee seeing seessell selling sellssend sending sendsshall (无)(无)shine shining shinesshow slowing slowsshut shutting shutssink sinking sinkssleep sleeping sleepssmell smelling smellsspeak speaking speaksspend spending spendsspill spilling spillsspit spitting spitsspoil spoiling spoilsstand standing standssteal stealing stealssweep sweeping sweepsteach teaching teachestell telling tellsthrow throwing throwsunderstand understanding understandswake waking wakespay paying payswill (无)(无)win winning winsdie dying dies写“无”的都是情态动词或者be动词，这些词没有现在进行时和单三--Will(3)形容词比较级英语形容词比较级(一)一般句式的构成： A + is / are+ 形容词比较级+ than + BA 是主格B 是宾格如： She is taller than me.主格形容词比较级宾格（二）英语形容词比较级的构成英语形容词比较等级有三个：原级，比较级和最高级。