名词复数的构成可分为规则变化和不规则变化两种.docVIP

名词复数的构成可分为规则变化和不规则变化两种。I 名词复数的规则变化1.一般在名词词尾加-s。如：pear-pears hamburger-hamburgersdesk-deskstree-trees2.以字母-s, -sh, -ch, -x结尾的名词，词尾加-es。如：class-classesdish-disheswatch-watchesbox-boxes3.以字母-o结尾的某些名词，词尾加-es。如：potato-potatoestomato-tomatoesNegro-Negroeshero-heroes4.以辅音字母加-y结尾的名词，将-y变为-i,再加-es。如：family-familiesdictionary-dictionariescity-citiescountry-countries5.以字母-f或-fe结尾的名词，将-f或-fe变为-v，再加-es。如：half-halvesleaf-leavesthief-thievesknife-knivesself-selveswife-wiveslife-lives wolf-wolvesshelf-shelvesloaf-loaves但是：scarf-scarves(fes) roof-roofsserf-serfs gulf-gulfschief-chiefs proof-proofsbelief-beliefsII 名词复数的不规则变化1.将-oo改为-ee。如：foot-feettooth-teeth2.将-man改为-men。如：man-menwoman-womenpoliceman-policemenpostman-postmen3.添加词尾。如：child-children4.单复数同形。如：sheep-sheepdeer-deerfish-fishpeople-people5.表示“某国人”的单、复数变化。即“中日瑞不变英法变，其它国把-s加后面”。如：Chinese-ChineseJapanese-Japanese Swiss-SwissEnglishman-EnglishmenFrenchman-FrenchmenAmerican-Americans Australian-AustraliansCanadian-Canadians Korean-KoreansRussian-Russians Indian-Indians6.其它。如：mouse-miceapple tree-apple treesman teacher-men teachers with的几个用法1.with表“和、同、与”。如：Can you go to the park with me?你能和我一起去公园吗？2.with表“用、以、被”。如：Dont write with the red pen. 不要用那支红色的钢笔写字。3.with表“随着”。如：Climate varies with the time of the year.气候随着时令的不同而不同。4.with表“带有、有.的”。如：The girl with long hair is my classmate.长头发的女孩是我的同学。5.with表“因为、由于”。如：They were angry with hard work.他们因为艰难的工作而生气。6.一些