人教版pep四年級(jí)下冊(cè)at the farm課件3unit4letlearn教學(xué)

Unit4

At

the

farmA

Let’s

learn

&let’s

chant本課時(shí)教學(xué)目標(biāo)一、聽、說、認(rèn)讀單詞tomato，potato，carrot，greenbean及其復(fù)數(shù)形式。二、運(yùn)用句型They’re…描述蔬菜特征。SingasongAppleisredandround.（單擊圖片，播放歌曲。）Guess:

What’s

this?It’s

red,

it’s

round,

but

it

isn’t

apple.tomatoTask1:

學(xué)單詞tomatoesDo

youknow?They

are

red

and

round.But,

apples

are

a

kind

of

fruit.Tomatoes

are

a

kind

of

vegetables.Task2:

What

kind

of

vegetables

do

youknow?學(xué)單詞carrotsThey’re

so

big.學(xué)單詞potatoesThey’re

so

big.學(xué)單詞green

beanesThey’re

so

long.名詞單數(shù)變復(fù)數(shù)規(guī)則規(guī)則變化一般情況下加-s如book--books（書）

desk--desks（書桌）以s,x

,ch,sh結(jié)尾加-es如box--boxes（盒子）bus--buses(公共汽車)注意①以th

結(jié)尾加-s,

month--months②stomach--stomachs3)以輔音字母+結(jié)尾，變y為i再加-es如city--cities(城市)country--countries(國家)注意以元音+y，直接加s。如：day--days(天)，boy--boys(男孩)名詞單數(shù)變復(fù)數(shù)規(guī)則以f或fe結(jié)尾，復(fù)數(shù)變f或fe

為v再加-es如knife-knives(書),half-halves(一半)(thief

,wife

,life

,shelf

,knife

,leaf

,self

,half

,wolf)注意①有少數(shù)詞后直接加s，如roof-roofs(屋頂)以o結(jié)尾分2類(1)o結(jié)尾的加-eshero-heroes（英雄）如tomato-tomatoes(西紅杮)potato-potatoes(土豆)(2)

o結(jié)尾名詞的加-s如piano-pianos(鋼琴),zoo-zoos(動(dòng)物園)photo-photos(照片),kangaroo-kangaroos(袋鼠)kilo-kilos(千克)注意zero

兩種方式都可：zero-zeros或zeroes(零Let’s

read

together!Let’schant

together!☆:一星級(jí):聽錄音，會(huì)讀單詞和句子；☆☆:二星級(jí):單詞、句子會(huì)寫會(huì)讀；☆☆☆: