單復(fù)數(shù)變化規(guī)則(語法).ppt

可數(shù)名詞和不可數(shù)名詞,可數(shù)名詞Countablenouns,（1）定義：是可以計數(shù)的名詞。（2）可數(shù)名詞前可以用a,an限定,表一個（3）可數(shù)名詞前可以用one,two,three限定。（4）可數(shù)名詞有復(fù)數(shù)形式。,GrammarFocus,不可數(shù)名詞Uncountablenouns,（1）定義：是指不能計數(shù)的名詞。（2）不可數(shù)名詞前不可以用a,an限定。（3）不可數(shù)名詞前不可以用one,two,three限定。（4）不可數(shù)名詞沒有復(fù)數(shù)形式。,單數(shù)名數(shù)名詞變?yōu)閺?fù)數(shù)名詞有以下規(guī)則：,1、一般情況下在名詞后面加-s。pencilpencils,sistersisters,2、以s,x,ch,sh結(jié)尾的名詞后加-es.watchwatches,boxboxes(盒子)3、以輔音字母加y結(jié)尾的名詞，先將y改為i，再加-es。familyfamilies,4、字母o來真神奇，有生命來-es，無生命來加-s。順口溜：黑人(negro-negroes)和英雄(hero-heroes)吃土豆(potato-potatoes)和西紅柿(tomatotomatoes)photophotos,5、以f或fe結(jié)尾的名詞，先將f為v，再加-esknifeknives(小刀)順口溜：妻子持刀去宰狼，小偷嚇得發(fā)了慌。躲在架后保己命，半片樹葉遮目光。wife(wives)knife(knives)wolf(wolves)thief(thieves),6、不規(guī)則變化。順口溜：大鵝(goose-geese)老鼠(mouse-mice)齊步走，男男(man-men)女女(woman-women)呲呲牙(tooth-teeth)。,7.單復(fù)數(shù)形式一致：一個中國人(Chinese)和一個日本人(Japanese)騎著一只羊(sheep)和一頭鹿(deer)去吃水煮魚(fish)。,寫出下列可數(shù)名詞的復(fù)數(shù)形式。mapbananatablechairdeskpenbooksoccerbasketballtomatopotatophotozoodictionaryfamilystrawberrytoyboykeyclasswatchboxknifechiefwifemanwomanchildsheepdeer,Exercise:,mapsbananastableschairsdeskspensbookssoccersbasketballstomatoespotatoesphotoszoosdictionariesfamiliesstrawberriestoysboyskeysclasseswatchesboxeskniveschieveswivesmenwomenchildrensheepdeer,Answers:,1b:Howmanyotherwordscanyouaddtothelist?你在每一欄后還能補充幾個單詞？,Fruits:pear,strawberry,apple,orange,bananaVegetables:broccoli,tomato,salad，potatoOthers:ice-cream,hamburger,frenchfries,1c:Listenandcirclethefoodyouhearin1a.聽錄音，在1a中圈出所聽到的食物。,salad,eggs,apple,icecream,hamburger,banana,orange,carrots,chicken,rice,1d:Listenagainandfillinthechart.再聽一遍錄音并填表。,Tom,sally,likes,doesntlike,carro