文档介绍：:..:名词单复数,名词的格(一),直接加-s,如:book-books,bag-bags,cat-cats,bed-,加-es,如:bus-buses,box-boxes,brush-brushes,watch-―辅音字母+y‖结尾,变y为i,再加-es,如:family-families,strawberry-―f或fe‖结尾,变f或fe为v,再加-es,如:knife-:man-men,woman-women,policeman-policemen,policewoman-policewomen,mouse-mice,child-children,foot-feet,tooth-teeth,fish-fish,people-people,Chinese-Chinese,Japanese-Japanese不可数名词的复数就是原型:paper,juice,water,milk,rice,tea(二)名词的格(1)有生命的东西的名词所有格:a)单数后加‘s如:Lucy‘srulermyfather‘sshirtb)以s结尾的复数名词后加‘如:hisfriends‘bagsc)不以s结尾的复数后加‘schildren‘sshoes在并列名词中,如果把‘s加在最后一个名词后,表示共有,如:TomandMike‘scar汤姆和迈克共有的小汽车要表示所有物不是共有的,应分别在并列名词后加‘sTom‘sandMike‘scars汤姆和麦克各自的小汽车(2)表示无生命东西的名词通常用―of+名词‖来表示所有关系:如::不定冠词,定冠词种类:(1)不定冠词:a/an(2)元音读音开头的可数名词前用an:anegg/anapple/anorange/aneraser/ananswer/anIDcard/analarmclock/anactor/anactress/ane-mail/anaddress/anevent/anexample/anopera/anhouranoldman/aninterestingbook/anexcitingsport/anactionmovie/anartlesson/(3)定冠词:the定冠词的用法:(1)特指某(些)人或某(些)物:Therulerisonthedesk.(2)复述上文提到的人或物:.(3)谈话双方都知道的人或物:Theboysaren‘tatschool.(4)在序数词前:John‘sbirthdayisFebruarythesecond.(5)用于固定词组中:inthemorning/afternoon/evening不用冠词的情况:(1)专有名词前:Chinaisabigcountry.(2)名词前有定语:this,that,my,your,some,any,no等:Thisismybaseball.(3)复数名词表示一类人和事:M