小学四年级单复数语法练习概要.ppt

Unit Four At the farmB Let’s talk hen How many boats are there ? How many cars are there? How many cars are there? 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。 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 ____ 5.book _____ 6.pen______ rulers desks beds bags books pens 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 two . 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 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. ( ) tomatoes F T T 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。 以“f或fe”结尾，改f,fe为v，再加es，如: knife → knives，leaf →leaves等等。 Tips4 1 2 3 4 Who’s 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. photo 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 th