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时间:2017-11-16
《名词单数变复数ppt课件》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、名词单数变复数名词单数变复数(一)规则变化:1.加s2.加s,x,ch,sh结尾的名词加es3.以辅音字母加y结尾的名词,先改y为i,再加es(mothers,fathers,sisters,brothers)(buses,boxes,watches)(family--familiesdictionary--dictionaries)区别key–keysboy--boys(二)不规则变化:4.单复数同形(不变):sheep(绵羊)deer(鹿)fish(鱼)2.man,womanmen,women1.加es:potatoes(土豆)tomatoes(西红柿)C
2、hinese(中国人)Japanese(日本人)6.ooee:foot(脚)tooth(牙齿)goose(鹅)5.以f/fe结尾的,变f为v,再加eswife(妻子)knife(小刀)shelf(架子)leaf(叶子)wolf(狼)3.child(孩子)children(男人,妇女)5.以f/fe结尾的,变f为v,再加es名词单数变复数后s/es的读音1.在清辅音后读/s/2.在元音和浊辅音后读/z/3.在/s//z//∫////t//d/后读/iz/4.在/t/后读/ts/,在/d/后读/dz/∫desksmapsbrotherspensclasses,wa
3、tches,orangescats,friendspendeskkeyboxknifecardorangeboyfriendparentmotherfathersisterbrothersondaughtercousinfamilychildmanpencilcasesheepssssesknivessssssssssssfamilieschildrenmenssheepthis–that–I–you–he/she/it–am/is–thesethoseweyoutheyare单数复数一、写出下列单词的复数I--2.am--3.he–4.pencil--5.w
4、atch--6.dictionary--7.man--8.it--9.parent--10.boy–wearetheypencilswatchesdictionariesmentheyparentsboys
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