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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,bed-beds2．以
2、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-policemen,policewoman-po
3、licewomen,(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]offishes.各种各样的鱼 ③当鱼肉讲时，不可数。二、习题1.
4、 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.arephotoes B.arephotosC.isaphoto D.isp
5、hotos 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 4.That’a art book. A.an B.a C.the Dare 5
6、.Theboyshavegot already. A. twobread B. twobreads C. twopiecesofbread D. twopieceofbread 6.Theoldmanwants . A. sixboxesofapples B. sixboxesofapple C. sixboxofapples D. sixboxsofapples 7.There some intheriver. A.i
7、s,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.teethD.ourteeth 10.The_____meetingroomisnearthereadingroom. A.teacher B.tea
8、cher’s C.teachers’ D.teachers 11.InBritain_____areallpaintedred. A.letterboxes B.lettersboxes C.letterbox D.lettersbox
