單復(fù)數(shù)變化規(guī)則(語(yǔ)法)

1、可數(shù)名詞和不可數(shù)名詞可數(shù)名詞Countable nouns（1）定義：是可以計(jì)數(shù)的名詞。（2）可數(shù)名詞前可以用 a , an 限定,表一個(gè)（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。Grammar Focus不可數(shù)名詞Uncountable nouns（1）定義：是指不能計(jì)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(méi)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, sistersister

2、s, 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。 family families 4、字母o來(lái)真神奇，有生命來(lái)-es，無(wú)生命來(lái)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-es knifeknives(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(shù)葉遮目光。 wif

3、e (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(gè)中國(guó)人(Chinese)和一個(gè)日本人(Japanese)騎著一只羊(sheep)和一頭鹿(deer)去吃水煮魚(yú)(fish)。寫出下列可數(shù)名詞的復(fù)數(shù)形式。map banana table chair desk pen book soccer basketball tomato potato

4、 photo zoodictionary family strawberry toy boy keyclass watch boxknife chief wife man woman childsheep deer Exercise:maps bananas tables chairs desks pens books soccers basketballs tomatoes potatoes photos zoosdictionaries families strawberriestoys boys keysclasses watches boxesknives chieves wives

5、men women childrensheep deer Answers:1b:How many other words can you add to the list?你在每一欄后還能補(bǔ)充幾個(gè)單詞？Fruits: pear,strawberry,apple,orange, bananaVegetables: broccoli,tomato,salad，potatoOthers: ice-cream,hamburger, french fries 1c:Listen and circle the food you hear in 1a.聽(tīng)錄音，在1a中圈出所聽(tīng)到的食物。 saladeggsappleice creamhamburgerbananaorangecarrotschickenrice1d: Listen again and fill in the chart.再聽(tīng)一遍錄音并填表。Tomsallylikesdoesnt l