可数名词单数变复数规则形式名词可以分为可数名词与不可数名词，其中可数名词具有单复数的形式；而不可数名词没有可数名词复数变化规则如下：1一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, watch-watches3以“辅音字母+y”结尾，变y为i, 再加-es，如：family-families, strawberry-strawberries4以“f或fe”结尾，变f或fe为v, 再加-es，如：knife-knives5. 以o结尾，有生命的加es, 无生命的加s. 如：potato-potatoes. zoo-zoos名词复数练习题1）.填入所给名词的正确形式1. I have two_ (knife)2. There are many _ here. (box)3. There are many _ on the road. (bus)4. A few _boys_ are drawing on the wall. (boy)5. The _childen_ are playing football now. (child)2）选择填空1. They come from different _A. country B. countries C. a country D. countrys2. How many _ do you see in the picture?A. tomatos B. tomatoes C. tomato D. the tomato3. There are some _ in these _.A.knifespencil-boxes B.knivespencils-boxC.knivespencil-box D.knivespencils-boxes4. There is no _ in the plate.A. apples B. oranges C. rice D. eggs5. _are good for our health.A. Tomatos B. Tomatoes C. Tomato6. I like to eat cake with _.A. cherries B. cherry C.cherrys7. _ and _ are not friends.A. Foxswolfs B.Foxes wolfs C.Foxeswolves8. Do you want to drink much ?A.a milkB.milkC.milks9. This is room. Its very big. A.Lily and Lucys B.Lilys and Lucys C.Lilys and Lucy10. Do you want some for supper?A、a potato B、potatoes C、potatos11.In autumn，you can see a lot of on the ground. A、leafB、leafs C、leaves12.My sister has two . One is old，the other is new.A、a watchB、watchs C、watches13.There on the wall .They are very beautiful.A. are photoes B. are photos C. is a photoD. is photos14. Thata art book. A. an B. a C. the D are15. There two in the box.A. is watch B. are watchesC. are watchD. is watches3）请用括号中名词的复数形式填空1 Look at those _. (child)2 I can see a _ standing near the door. (policeman)3 Do you want some _ for dinner? (potato)4 In autumn, you can see a lot of _ on the ground.(leaf)5 He has two _.One is blue , the other is yellow.( box)6 Two _ live in this building .( family )4）选择正确的词形1 How many (radioes, radios) can you see?2 There are 36 (boys, boies) in my class.3 Look at those (sheeps, sheep).4 I dont want (a, an) old cup.5 Give me that (box, boxes), please.5）将以下单复数句进行转换1 This is a knife._ 2 That is a tomato._3 That child is very good._4 .These are mice._5 Those are children. _