人教版小学四年级英语下册第六单元知识点及复习要点
下载后可任意编辑 人教版小学四年级英语下册第六单元知识点及复习要点 第六单元 一、单数复数形式单词 sheepsheep 绵羊henhens(母鸡)lamblambs羊羔 goatgoats(山羊) cowcows(奶牛) horsehorses(马) goosegeese鹅 footfeet脚toothteeth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 catcats dogdogs bookbooks rulerrulers 2、在以s, ss , x , sh , ch 结尾的名词后面加“es”,如 boxboxes peachpeaches busbuses classclasses 3、在以o结尾的单词后面加“es”,如 tomatotomatoes potatopotatoes 4、以元音字母加y结尾的名词,直接加”s”如 boyboys toytoys daydays 以辅音字母加y结尾的名词,去掉y后加“ies”,如 babybabies ladyladies butterflybutterflies(蝴蝶) 5、以f, fe结尾的名词,去掉f或fe后加“ves”,如 shelfshelves书架leafleaves叶子knifeknives刀 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 . 我喜爱苹果。 I like chicken.我喜爱鸡肉。 四、特别疑问句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 aan Is that aan Is it aan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.