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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 pencil an orangean egg a map 自主学习：请选择a或an或不填（用/表示） a pen a bag an 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 . pencilsapples erasers boxes four bookseight apples four buses seven boxes Look and learn. Whats this/that? Its What are these/those? Theyre a book two books an orange five orangesan eraser three erasers a bus six busesa ruler four rulers a 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） classclasses (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 photophotos 1.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 photos diary diaries day days foot feet book books dress dresses tooth teeth sheep sheep box boxes strawberry 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 now. (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 / 。city cities zoo zoos country countries tooth teeth mouse mice boy boys car cars tree trees horse horses bus buses fox foxes baby babies family families country countries photo photos piano pianos knife knives man men woman women child children foot feet watch watches diary diaries day days book books dress dresses sheep sheep tea /box boxes strawberry strawberriespaper / juice / water /milk /rice / deer deer 2) 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 don t want (a, an) old cup. 4. Give me that (box, boxes), please.
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