教学案例及点评

1、Unit 2 可数名词的单复数 一 可数名词的复数 （一） 单选 1. The thief has two _. A. knife, B. knifes, C. knives, D. knifees 2. There are many _ near our village. A. factory B. factories C. factorys D. factoryes 3. She must look after those little _. A. boys B. boyes C. boy D. boies 4. There are many _ on the tree. A. leaf

2、B. leaves C. leafs D. leafes 5. My mother bought two _ for me last winter. A. scarves B. scarfs C. scarfes D. scarfs 6. My mom always gives many kinds of _ to me on New Years Day. A. candies B. candy C. candys D. candves （二） 根据提示改写句子 1. The policeman catches a thief. (用two 替换 a 改写句子) _2. She gives m

3、e a key to her house. ( 用four 替换a 改写句子) _ 3. My grandpa buys a shelf. (用three替换 a 改写句子) _ 4. Workers build a new library. (用two 替换 a 改写句子) _ 5. I see a wolf in the prairie (草原). (用five 替换 a 改写句子) _ 6. He has a holiday every year. (用two 替换 a 改写句子) _ (三) 根据句意选出正确名词的正确形式填空 1. I see two _ at the zoo! A.

4、 elephant B. elephants C. elephanties D. elephantes 2. There are five _ in the zoo. A. deers B. deeres C. deerves D. deer 3. I brush my _ every morning and night. A. tooth B. tooths C. toothes D. teeth 4. I played in the mud and now my _are very dirty! A. cloth B. clothes C. clothese D. clothes (四)

5、用所给的名词的正确形式填空 1. Paul has two _ (baby). One is a girl, the other is a boy. 2. Beijing and Shanghai are modern _ (city) 3. _ (Leaf) fall off the tree every autumn. 4. Toms father buys many _ (toy) for him. 语法规则总结： 名词复数在英语中，名词分为可数名词和不可数名词两大类。可数名词有单数和复数两种形式。不可数名词没有复数形式，可数名词变复数形式的规则如下：（一）规则变化词形特点构成方法读音例

6、词大多数名词在词尾加 清辅音后读/s/,在浊辅音后和元音后读/z/ 以s,x,sh,ch等结尾的名词在词尾加 读/iz/ 以“辅音字母+y”结尾的名词把 变 ，再加 读/z/ 以o结尾的名词直接加 或 读/z/ 以ce,se,ze,ge等结尾的名词直接加 读/iz/ 以f或fe结尾的名词将f或 变 加 读/vz/ （2） 不规则变化构成方法例词改变元音字母-men -feet woman- tooth-词尾加en或renchild-child 单复数同形（鹿） （羊） (中国人） （日本人） 口诀： 男女警察英法人，都是将-man 变成-men; 脚牙oo 变ee， child 加上-ren.

7、 鹿和绵羊是一家，单变复时不变化。（3） 复合名词变复数构成方法例词一般的复合名词，只把中心词变为复数（中心词一般是第二个名词）apple tree- pencil box-由man和woman构成的复合名词，二者均变为复数man doctor- men doctorswoman teacher- women teachers三、单数句变复数句的规则把一个单数句变为复数句，要遵循下列规则：一变，一删，六不变。一变：将单数句中的指示代词、人称代词、物主代词、名词以及系动词变为相应的复数形式。this-these that-those he/she/it-they I-we my-our his/

8、her/its-their一删：将单数句中的不定冠词a/an删去。六不变：保留句中的形容词、定冠词the、副词、疑问词、介词短语和叹词等。I am a student. We are students. This is a nice key. These are nice keysWhats that? What are those?.1 按要求进行句型转换（10分） 1. This is my friend. （变为复数句） _ 2. Is that your baseball? （变为复数句）_3. These computers are new. （变为单数句）_4. Are those dictionaries here? （变为单数句）_5. Its my backpack. （变为复数句）_6. These are his grandparents.（变为一般疑问句）_7. Those are photos. （就画线部分提问）_8. Are these school things? （作否定回答）_9. The woman teacher is at school. （变为复数句）_10. This is a girl student.（变为复数句）_二. 连词成句，请注意标点符号。 1.