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1、 Unit 2 School in Canada Lesson 10 How Many Are There?There is a pencil.这是一支铅笔。这是一支铅笔。These are many pencils.这是许多支铅笔。这是许多支铅笔。pencilpencils chairThis is a chair.这是一把椅子。这是一把椅子。chairs These are many chairs.这是许多把椅子。这是许多把椅子。appleThis is an apple.applesThese are many apples.可数名可数名词变词变复数：复数：pencil-pencils,
2、chair-chairs,apple-apples 规则规则1：一般情况下一般情况下是在是在名名词词后直接加后直接加s boxThis is a box.这这是一个箱子。是一个箱子。boxesThese are many boxes.这这是是许许多个箱子多个箱子 bus This is a bus.这这是一是一辆辆公交公交车车。busesThese are three buses.这是三辆公交车。这是三辆公交车。可数名可数名词变词变复数：复数：box-boxes,bus-buses,dish-dishes 规则规则2：以以s,x,ch,sh 结结尾的尾的单词单词后加后加esThis is a
3、tomato.These are many tomatoes.This is a potato.These are many potatoes.photoThis is a photo.photosThese are many photos.可数名可数名词变词变复数：复数：tomato-tomatoespotato-potatoes 规则规则3：以以o 结结尾的尾的单词单词后加后加es,但但photo例外例外man-men woman-women child-children不规则变化man-men woman-womenchild-childrenfoot-feet tooth-teethP
4、ractice(找出错误)I have three pencil.pencil-pencils She eats a bananas.bananas-bananaWe see six monkey in the zoo.monkey-monkeysThere are twenty desk in the classroom.desk-desksMy mother buys two skirt for me.skirt-skirtsThere are many bus in the city.bus-busesThe woman are in the shop.are-is I see five girl are dancing.girl-girlsHomework1.背诵单词2.掌握可数名词和不可数名词的不规则变化。