(
课件网) Unit 6 Celebrating the Big Days Exploring the Topic: Grammar in Use (Ordinal numbers & The simple present tense; The present continuous tense) Learning objectives 1. 在语境中理解序数词的形式、意义和使用； 2. 通过比较学习，在语境中理解一般现在时和现在进行时的不同语用功能； 3. 用现在进行时改写画线句子，体会改变时态后文章内涵的变化。 1 Ordinal numbers 序数词 Activity 1 Look at the pictures and read the sentences. Pay attention to the words in bold. 1.I'm thirteen years old. This is my thirteenth birthday. 2.Teachers' Day is on September 10th. 3.About one hundred people are taking part in the dragon boat race. What’s the difference between cardinal numbers(基数词) and ordinal numbers (序数词) (form and meaning) Observing 基数词 序数词 序数词 基数词 = join in 参加 龙舟赛 Ordinal numbers eg.I have seven friends. eg.This is my seventh birthday. 基数词 表示数量的数词 序数词 表示顺序的数词 数词 01 02 、 一二三，特殊记， th要从四加起 八去t，九去e， ve要用f来替； 整十变y为ie， 再加th别忘记； 若是遇到几十几， 只变个位就可以。 基变序小口诀送你们： 特殊记 first second third one two three seventh(7th) fourth (4th) sixth(6th) seven six four th要从四加起 八去 eighth 第八 九去 第九 ninth ve要用f来替 five-fifth, twelve-twelfth 整十变y为ie，再加th别忘记 twenty—twentieth 若是遇到几十几， 只变个位就可以。 twenty-one—twenty-first Ordinal numbers 序数词 grammar 序数词的缩写：在阿拉伯数字后面加上序数词的最后两个字母。 first second third fourth twentieth one hundredand eleventh 1st 2nd 3rd 4th 20th 111th 记忆口诀： 一二三，特殊记，th要从四加起； 八去t，九去e，ve要用f替； 整十变y为ie，再加th别忘记； 若是遇到几十几，只变个位就可以。 Activity 2 Pair plete the table and learn how to form ordinal numbers. 1 one first 1st 15 fifteen _____ 15th 2 two second 2nd 20 twenty twentieth 20th 3 three third 3rd 21 twenty-one twenty-first 21st 4 four _____ 4th 40 forty fortieth 40th 5 five fifth 5th 50 fifty _____ 50th 8 eight _____ 8th 90 ninety _____ 90th 9 nine ninth 9th 100 one hundred one _____ _____ 12 twelve twelfth 12th 101 one hundred and one one hundred and_____ 101st fourth eighth fiftieth 100th first ninetieth hundredth fifteenth 数字 基数词 序数词 缩写 数字 基数词 序数词 缩写 Ordinal numbers 序数词 grammar 用法： 1.序数词前一般要加定冠词the表示顺序。 e.g. My brother is planting the second tree. 我弟弟正在种植第二棵树。 2.序数词常用作名词的定语，但当名词前已有形容词性物主 代词、名词所有格等限定词时，则不再用定冠词the。 e.g. her fifth birthday 她的5岁生日 Lily’s fifth birthday 丽丽的第五个生日 Activity 3 Read the text and tick(√) the correct words. On Tree-planting Day every year, Miss Wang always takes her students to plant trees in the park. She plants the (one/first) tree to show the students how to do it. Then, she helps some students to plant the(two/second) tree. After that, boys plant the (three/third) tree and girls plant the (four/ fourth) tree. In the end, students plant trees by themselves. This y ... ...
