仁爱版七年级英语上册 Unit 1 Topic 3 Section C 课件(共25张PPT).ppt

1、Welcome!仁爱英语Unit1 Topic3 SectionC学习目标：英语名词的基本知识、考点。学习重点：总结可数名词单数变复数的变化规则。学习难点：不规则名词复数。a和an的区别1.a 用在以辅音音素开头的单词前。例如：a book，a desk2.an 用在以元音音素开头的单词前。例如：an egg，an applea/an被称作不定冠词，用在单数可数名词前，表达某一个人或事物中的一个，相当于汉语的“一”，但不强调数目概念。a/an用法的区别：a book a pencilan orangean egga map自主学习：请选择a或an或不填（用/表示）a pen a bag an

2、apple a big apple a banana an orange /oranges an orange pen What are these in English?Theyre apples.What are those in English?They are books.What are these/those in English?Theyre.pencilsappleserasersboxesfour bookseight applesfour busesseven boxesLook and learn.Whats this/that?Its What are these/th

3、ose?Theyre a book two booksan orangefive orangesan eraser three erasersa bus six busesa ruler four rulersa box seven boxes可数名词复数变形规则：(1)在一般情况下直接在词尾加-s;例如:deskdesks penpens pencilpencils carcars appleapples teacherteachers(2)以-s,-x,-ch,-sh 结尾的单词在词尾加-es;例如:boxboxes(盒子）busbuses（公共汽车）watchwatches(手表）cla

4、ssclasses(班级）(3)以“辅音字母+y”结尾，变y为i,再加-es，如：family-families（家庭）strawberry-strawberries（草莓）(4)以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives(5)以o结尾的名词加es 的有：如：zoozoos photophotos1.名词：表示人或事物的名称。2.掌握可数名词的单数和复数形式。3.不规则名词复数。4.不可数名词合作探究：写出下列各词的复数watch watches child children photo photosdiary diaries day days foot fe

5、etbook books dress dresses tooth teethsheep sheep box boxesstrawberry strawberries man men woman women随堂精练：请用所给名词的适当形式填空：1.I have two knives(knife)2.There are many boxes here.(box)3.There are many buses on the road.(bus)4.A few boys are drawing on the wall.(boy)5.The children are playing football no

6、w.(child)随堂精练：请用所给名词的适当形式填空：6.Look at those children.(child)7.I can see a policeman standing near the door.(policeman)8.Do you want some potatoes for dinner?(potato)9.He has two boxes.One is blue,the other is yellow.(box)10.Two families live in this building.(family)能力提升：1)请写出下列词的复数形式,没有复数形式的请划出/。ci

7、ty cities zoo zoos country countriestooth teeth mouse mice boy boyscar cars tree trees horse horsesbus buses fox foxes baby babiesfamily families country countries photo photos piano pianosknife knives man men woman womenchild children foot feet watch watchesdiary diaries day daysbook books dress dr

8、esses sheep sheep tea/box boxes strawberry strawberriespaper/juice/water/milk/rice/deer deer2)填入所给名词的正确形式1.Please take two photos for me.(photo)2.I like the red tomatoes.(tomato)3.Would you please clean your teeth now?(tooth)4.Do you want some milk?(milk)5.There are ten women teachers in our school.(woman teacher)3）选择正确的词形1.There are 36(boys,boies)in my class.2.Look at those(sheeps,sheep).3.I dont want(a,an)old cup.4.Give me that(box,boxes),please.