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1、第十二讲名词的介绍及其单复数形式变化___apple_____tomato______apple_______potato_______apple_____knife_____kni_______fish______sheep________kiss__fishricemoneybreadMilkhair水teacoffee名词可以分为可数名词和不可数名词，不可数名词没有单复数，一律看作单数。一、名词复数的变化规则1．一般情况下，直接加-s，如：book-books,bag-bags,cat-cats,
2、bed-beds2．以s.x.sh.ch结尾，加-es，如：bus-buses,box-boxes,brush-brushes,watch-watches3．以“辅音字母+y”结尾，变y为i,再加-es，如：family-families,baby-babiesstrawberry-strawberries4．以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives,wife-wives5．不规则名词复数：(1)a-e.man-men,woman-women,policeman-po
3、licemen,policewoman-policewomen,(2)mouse-mice,child-children(3)oo-ee.foot-feet,tooth-teeth(4)单复同形fish-fish,people-people,Chinese-Chinese,Japanese-Japanesesheep-sheep,deer-deer. 注意：fish①当一条鱼讲时，单复数同形，如threefish.②当各种各样的鱼讲时，即强调鱼的种类时，要加es.,如：allkinds[kaindz]o
4、ffishes.各种各样的鱼 ③当鱼肉讲时，不可数。二、习题1. Ihavetwo_____(knife)2. Therearemany_____here.(box)3. Therearemany_____ontheroad.(bus)4. Afew_____aredrawingonthewall.(boy)5. The_____areplayingfootballnow.(child) 三、选择题1、There onthewall.Theyareverybeautiful.A.arep
5、hotoes B.arephotosC.isaphoto D.isphotos 2. Thiskindofcar madein Shanghai. A. is B.are C.were D.has 3. Therearefour andtwo inthegroup. A.Japanese,Germen BJapaneses,Germen C.Japanese,German C.Japanese,Germans
6、 4.That’a art book. A.an B.a C.the Dare 5.Theboyshavegot already. A. twobread B. twobreads C. twopiecesofbread D. twopieceofbread 6.Theoldmanwants . A. sixboxesofapples B. sixboxesofapple C. sixboxofapple
7、s D. sixboxsofapples 7.There some intheriver. A.is,fish B.are,fishs C.is,fishs D.are,fish 8.There two in thebox. A.iswatch B.arewatches C.arewatchD.iswatches 9.Weshouldclean twiceaay. A.ourtooth B.ourtooths C.te
8、ethD.ourteeth 10.The_____meetingroomisnearthereadingroom. A.teacher B.teacher’s C.teachers’ D.teachers 11.InBritain_____areallpaintedred. A.letterboxes B.lettersboxes C.letterbox D.lettersbox
