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1、pencilThis is one pencil. pencils These are many pencils .chairThis is a chair .chairs These are many chairs . girl girlsappleanappleshathatsbox This is a box .boxesThese are many boxes .busThis is a bus .busesThese are three buses.tomato This is a tomato .tomatoes These are many tomatoes.potato Thi
2、s is a potato .potatoesThese are many potatoes.photophotophotoThis is a photo.photosThese are many photos.Lesson10 How Many Are There ?pencil-pencils chair-chairs box-boxesbus-busestomato-tomatoespotato- potatoes 以以x,s,o结尾的可数结尾的可数名词名词的的复数形复数形式一般在式一般在其后加其后加es一般在可数名词后直接加一般在可数名词后直接加sphoto-photos注意：以o结尾
3、的有生命在其后加es,无生命的在其后加s比一比，练一练写出下面可数名词的复数形式。1.book( ) 2. egg( ) 3.class( ) 4. bus( ) 5.watch( ) 6. fox( ) 7.dish( ) 8. fish( ) 拓展知识1.以s,x,sh,ch,o结尾的可数名词的复数形式通常在其后加es.如class,bus,fox,dish,watch等注意：有生命的以o结尾的可数名词复数形式在其后加es,无生命的以o结尾的可数名词复数形式在其后加s. 如：negro (黑人) hero（英雄）potato(土豆)tomato（西红柿）后加es . 而radio(收音机)photo(照片)后加s2.以辅音字母加y结尾的变y为i然后再加es.如family（家庭）families,strawberry（草莓）strawberries 等3.以f，fe结尾的变f，fe为v,然后再加es如wolf（狼）wolves,wife（妻子）wives,knife（小刀）knives等4.不规则形式man-men ,child-children 等
