Lesson12 How Many Are There?–There is a stamp.How many stamps are there?• There are twelve stamps.There is a pencil.How many pencils?There are five pencils.There is a cat.There are four cats.This is an apple.These are many apples.• 1 ．一般名词复数是在名词后面加上“ s” ，如 map→maps ， bag→bags 等； 2 ．以 s ， sh ， ch ， x 等结尾的词加“ es” ，如 bus→buses ， watch→watches 等； 3 ．以辅音字母＋ y 结尾的词，变 y 为 i 加es ，如 baby→babies 等；以元音字母＋ y 结尾的名词变复数时，直接加 s 变复数，如 monkey→monkeys ， holiday→holidays ； 4. 以 o 结尾的名词，有些加 es: Negroes, heroes, tomatoes, potatoes. 其它加 s: radios, zoos, pianos, photos.• 5. 不规则• This is a dish.• There are many dishes.• This is a bus.• Here are many buses.man-men woman-women child-childrenPractice( 找出错误 )• I have three pencil.• She eats a bananas.• We see six monkey in the zoo.• There are twenty desk in the classroom.• My mother buys two skirt for me.• There are many bus in the city.• The woman are in the shop.• I see five girl are dancing.例： This is a bus.----These are buses.• This is a apple.• This is a dish.• This is a man.• This is a woman.• This is a kitchen.• These are apples.• These are dishes.• These are men.• These are women.• These are kitchens.Homework•1. 名词变复数 book girl boy desk school teacher eraser pencil pen arm ear eye leg hand finger apple banana orange skirt car bicycle cat dog duck chicken letter stamp • 2. 翻译• 两辆公共汽车• 五个男人• 六支铅笔• 三个孩子
