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第五单元:
一、Can I help you ? 是一般购物时,售货员的礼貌用语。
二、How much 与How many 的区别:
1、How much 意思是多少钱?用来问物品的价格。在回答时一般要有表示价钱的单位。如:
问一件物品的价钱时用How much is …?
How much is this jacket? 这件夹克衫多少钱?
It’s forty-five yuan. 它是45元。
问多件物品的价钱时用How much are …?
How much are these books? 这些书多少钱?
They are ninety-nine yuan. 它们是99元。
2、How many 意思是多少。用来询问物品的数量有多少,后面跟名词的复数形式,回答时一般数字后面没有单位。如:
How many cows do you have? 你有多少头奶牛?
I have 12. 我有12头。
How many horses are there ? 那儿有多少匹马?
They are 12. 有12匹。
第六单元:
一、复数形式
sheep—sheep (绵羊) hen—hens(母鸡) lamb—lambs(羊羔)
goat—goats(山羊) cow—cows(奶牛) horse—horses(马)
goose—geese(鹅) foot—feet(脚) tooth—teeth(牙齿)
二、可数名词变复数的规则:
1、一般情况下,在单数名词词尾加“s”。如:
cat—cats dog—dogs book—books ruler—rulers
2、在以s, ss , x , sh , ch 结尾的名词后面加“es”,如:
box—boxes peach—peaches bus—buses class—classes
3、在以o结尾的单词后面加“es”,如:
tomato—tomatoes potato—potatoes
4、以元音字母加y结尾的名词,直接加“s”如:
boy—boys toy—toys day—days
以辅音字母加y结尾的名词,去掉y后加“ies”,如:
baby—babies lady—ladies butterfly—butterflies
5、以f, fe结尾的名词,去掉f或fe后加“ves”,如:
shelf—shelves leaf—leaves knife—knives
三、I like…后面要加可数名词的复数形式或者不可数名词,如:
I like apples . 我喜欢苹果。
I like chicken。我喜欢鸡肉。
四、特殊疑问句:What are these? What are those ? What are they?在回答时,都要用“They are…”
What is this ? What is that? What is it ? 在回答时都要用It’s a (an )…
一般疑问句:Are these …? Are those …? Are they…?的回答形式也都是一样的,肯定回答:Yes, they are. 否定回答:No, they aren’t。
一般疑问句:Is this a(an) …? Is that a(an ) …? Is it a(an)…?的回答形式也都是一样的,肯定回答:Yes, it is. 否定回答:No, it isn’t。