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英语教材教案 08-2512
11-18
人教PEP版四年级英语下册第四单元思维导图
人教PEP版四年级英语下册第四单元知识点:
第四单元 At the farm
一、复数形式
Sheep = sheep (绵羊) hen= hens(母鸡) Goat= goats(山羊) cow= cows(奶牛) horse= horses(马) 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 arethey?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:Arethese „? 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. 五、单词
tomato potato green beans carrot horse cow sheep hen these yummy animal those garden farm goat
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