精通版四年级英语下册 Lesson 7 教学课件.ppt

Unit 2 There are forty students in our class. Lesson 7 精通·四年级下册;Lead-in;十一;十二;二十一;二十二;二十三;二十四;二十五;二十六;二十七;二十八;二十九;New words;Just talk;Good afternoon, boys and girls! This is Mr Gao, our new PE teacher.;How many students are there in your class?;Let’s count from 1 to 29!;1. How many students are there in your class? 你们班有多少名学生？ “How many+可数名词复数+are there+其他？” 用于询问数量。;2. Let’s count from 1 to 29.让我们从一数到二十九报数。 “Let’s do +某事.”，这是祈使句，表示让我们做某事。 例：让我们去打篮球吧！ Let’s play basketball.;from… to… 从……到……例：从家到学校 from home to school 从10到100 from 10 to 100;Just read and write;21;How many students are there in your class?;How many students are there in your class?;基数词;3. 从 20到99 ：整数几十中除twenty, thirty, forty, fifty, eighty为特殊形式外，sixty, seventy, ninety都是其 个位数形式后添加后缀-ty构成。表示几十几时， 在几十和个位基数词之间添加连字符“-”， 例 如：21 twenty-one。;Can you write them?;Let’s play;26;Thank you for listening ;郑重申明