一、復(fù)數(shù)形式
sheep? sheep (綿羊) hen? hens(母雞) lamb? lambs(羊羔)
goat? goats(山羊) cow? cows(奶牛) horse? horses(馬)
goose? geese(鵝) foot? feet(腳) tooth? teeth(牙齒)
二、可數(shù)名詞變復(fù)數(shù)的規(guī)則:
1、一般情況下,在單數(shù)名詞詞尾加“s”.如:
cat? cats dog? dogs book? books ruler? rulers
2、在以s, ss , x , sh , ch 結(jié)尾的名詞后面加“es”,如:
box? boxes peach? peaches bus? buses class? classes
3、在以o結(jié)尾的單詞后面加“es”,如:
tomato? tomatoes potato? potatoes
4、以元音字母加y結(jié)尾的名詞,直接加“s”如:
boy? boys toy? toys day? days
以輔音字母加y結(jié)尾的名詞,去掉y后加“ies”,如:
baby? babies lady? ladies butterfly ?butterflies
5、以f, fe結(jié)尾的名詞,去掉f或fe后加“ves”,如:
shelf? shelves leaf? leaves knife? knives
三、I like…后面要加可數(shù)名詞的復(fù)數(shù)形式或者不可數(shù)名詞,如:四年級(jí)英語(yǔ)六單元知識(shí)點(diǎn)
I like apples . 我喜歡蘋(píng)果。 I like chicken.我喜歡雞肉。
四、特殊疑問(wèn)句:What are these? What are those ? What are they?在回答時(shí),都要用“They are…”
What is this ? What is that? What is it ? 在回答時(shí)都要用It’s a (an )…
一般疑問(wèn)句:Are these …? Are those …? Are they…?的回答形式也都是一樣的,肯定回答:Yes, they are. 否定回答:No, they aren’t.
一般疑問(wèn)句:Is this a(an) …? Is that a(an ) …? Is it a(an)…?的回答形式也都是一樣的,肯定回答:Yes, it is. 否定回答:No, it isn’t.
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