小学四年级单复数语法练习.ppt

1、,Cartoon Time,How many boats are there ? How many cars are there? How many cars are there?,The Plural Nouns,名词复数学习,名词复数定义,一个名词如果表示一个或一样东西，它取单数形式。如果表示两个或更多的这类东西，则需要用名词复数形式。,an apple,two apples,a dog,three dogs,a cat,four cats,一般情况下，直接加“S”。如：banana bananas, pen pens等等。,Tips1,1.ruler 2.desk 3.bed 4.bag

2、 _ 5.book _ 6.pen_,rulers,desks,beds,bags,books,pens,Practice,a bus,two buses,a box,three boxes,a peach,two peaches,a dish,many dishes,Tip2,以“s，x，ch，sh”结尾的单词，加“es”。如： bus buses, dish dishes, watch watches, box boxes, dress dresses, peach peaches, dish dishes, class classes等等。,请同学们选择正确的词形填空。 I have t

3、wo . A.watchs B.watches 2. There are five . A.boxes B.boxs 3. Our school has ten . A.class B.classes 4. What color are your ? A.dress B.dresses.,A,B,B,B,Practice,piano,pinanos,potato,potatoes,以“o”结尾的单词，有生命的加“es”，没有生命的加“S”，如：piano pianos, zoo zoos, potato potatoes, tomato tomatoes等等.,Tips4,请同学们判断下列句子

4、的正误，正确的填“T”, 错误的填“F”。 I d like some tomatos for lunch. ( ) How many photos can you see? ( ) There are two big zoos in Shanghai. ( ),Practice,tomatoes,F,T,T,butterfly,butterflies,candy,candies,Tips3,1.以辅音字母加y结尾的单词，改y为i，再加es,如：body bodies， baby babies等等。,leaf,leaves,以“f或fe”结尾，改f,fe为v，再加es，如: knife kni

5、ves，leaf leaves等等。,Tips4,1,2,3,4,Whos lucky?,You can choose a lucky number and finish the task,then you can get a surperise.选择一个数字，并完成相应的任务！并可以得到相应的奖品！,1.He is a （警察）. 2.They are （警察）.,单项选择,A.policeman,B.policemen,A,B,单项选择,1.There are on the wall .They are very beautiful. A. photoes B. photos C. pho

6、to 2. I d like some_. A. tomato B. tomatos C. tomatoes,B,C,用括号内单词的正确形式填空,-1.Tom and Mike are _(boy) -2. There are three _(desk) in the classroom.,boys,desks,.,1. How many _ are there in the box? A. watch B. watches C. watchs 2. There are three _ in the playground. A. bus B. buses C. buss,单项选择,B,B,Un

7、it Four At the farmB Lets talk,hen,hens,horse,horses,-What are these?,这些,-What are those?,那些,-They are hens.,-They are ducks.,-What are these?,这些,-What are those?,那些,-They are,-They are,hourses.,cows,What are these/those?,What are these/those?,What are these/those?,Pairwork,What are these/those?,一般情况下，直接加“S”。如：appleapples，banana bananas, pen pens等等。,Tips1,Tips2,以“s，x，ch，sh”结尾的单词，加“es”。如： bus buses, dish dishes, watch watches, box boxes, dress dresses, peach peaches, dish dishes, class classes等等。,Tips3,以“o”结尾的单词，有生命的加“es”，没有生命的加“S”，如：piano pianos, zoo zoos, potato potatoes, tomato tomatoes等