Lesson 12 How many are there ?pencilstampstampsThis is a These are pencilsThese words get bigger with an s at the end of these words . dressbusdishdressesdishesbusesThis is a These are These words get bigger with an es at the end . manwomanchildchildrenwomenmenThis is a These are people 一、看图写单词 . 1. These are _______. 2. There are five ________. 3. Here are many _______. 4. These are _______. 5. Here are some _______. 6. Here are three ________. 7. These are ________. 二．改错： 1 ． This is one pencils . 2. Look at these woman. 3 . There are five childs . 4. There is many dishes. 5. How much pencils are there? 6. How many book do you have? 7. The students is reading books now. (pencil)(women )(children)(are)(many)(books)(are) 三．改写句子： 1 ． This is a pencil. ( 复数 ) 2. Here is a dish . ( 复数 ) 3. These are some bedrooms . ( 单数 ) 4. Here are two women . ( 单数 ) 3. 拓展学习：学生自己总结还有哪些名词的复数形式是不规则的。fish , sheep , tooth ,foot , fish , sheep , teeth , feet , 知识延伸：名词单数变复数的规则：1 ．以 o 结尾的名词，有生命的加 es ，无生命的加 s ．但个别有生命的却加 s ．如： tomatoes , radios , kangaroos .2.以辅音＋ y 结尾的名词，要把 y 变成 i ，再加 es. 如： baby babies . family families .3. 以元音＋ y 结尾的名词，要直接加 s ．如：boy boys .4.以 f 或 fe 结尾的，要去掉 f 或 fe , 再加 ves . 如： wolf wolves , leaf leaves .
