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Grammar Unit 1 Home 七年级下册 How many people are there in your family? How old are you? How old is your sister/brother/mother? Cardinal numbers. How old am I? Can you guess? 0 _ 1 _ 2 _ 3 _ 4 _ 5 _ 6 _ 7 _ 8 _ 9 _ one two three four five six seven eight nine zero Cardinal numbers Millie 7568 4901 _ Kitty 6203 7395 _ seven,five,six,eight;four,nine,o,one six,two,o,three;seven,three,nine,five 10 _ ten 11_ 12_ 13_ 14_ 15_ 16_ 17_ 18_ 19_ eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen from 13 to 19, add “teen” at the end 20 _30 _ 40 _ 50 _ 60 _ 70 _80 _90 _ twenty thirty forty fifty sixty seventy eighty ninety from 20 to 90, add “ty” at the end 21 _ 22_ 23_ 46_ 47_ 49_ twenty-one twenty-two twenty-three forty-six forty-seven forty-nine 连字符 13 thirteen [ ti n] 30 thirty [ :ti] Tip 13的重音放在第二个音节上 30的重音放在第一个音节上 100及以上的基数词 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion 续表 (1) 1—12单独记。如:one, two, three...twelve。 (2) 13—19的词尾都是teen。但 13—thirteen,15—fifteen, 18—eighteen需要特殊记。 four six seven nine teen teen teen teen ty six ty seven nine ty (4) 21~99的构成是在整十位的数词后加上个位的数词,中间用连字符“-” 如:21 twenty-one 37 thirty-seven 96 ninety-six。 (3) 20~90这些整十数词均以ty结尾。 其中sixty,seventy,ninety都是在个位后直接加-ty。其余的构成不规则。 构成规则 How much is it? 369 three hundred and sixty-nine 911 715 422 554 218 nine hundred and eleven seven hundred and fifteen four hundred and twenty-two five hundred and fifty-four two hundred and eighteen 百位和十位之间加 and, and 轻读 (5)101~999的构成要在百位数与十位数之间加and; 156 one hundred and fifty-six 若十位数为零,百位数后仍要加and。 509 five hundred and nine Presentation Notes We often use a comma or a space to separate a big number into groups of three from right to left. We start with the largest part and move down to the smallest. We put and between “hundred/thousand” and numbers below a hundred. (6) 四位数或者四位数以上的基数词的拼写规律:用逗号从右往左每三位加一个逗号,第一个逗号读作thousand (千),第二个逗号读作million (百万),第三个逗号读作billion (十亿)。 15,600,000,000 千 百万 十亿 fifteen billion six hundred million 百位数后莫忘 “and” How do we say it? 4,056= _ thousand _ _ 23,813= _ thousand _ 567,110= _ thousand _ 6,425,200= _ million _ _ thousand _ four and fifty-six twenty-three eight hundred and thirteen five hundred and sixty-seven one hundred and ten six four hundred and twenty-five two hundred Practice 1. Complete the sentences about Tina’s home with the correct cardinal numbers. Tina lives in a building with (1) _ (18) floors. It is about (2) _ (46) miles from Shanghai. It has an area of (3) _ (150) square metres. Tina likes her study the most, and there are about (4) _ (1,000) books there. eighteen forty-six one hundred and fifty one thousand 2 1 2 1 3 1 6 1 5 4 1 0 2 1 2 , 1 3 1 , 6 1 5 , 4 1 0 thousand n.千 million[ m lj n] n.百万 billion n.十亿 hundred n.百 How to read large numbers We often use a comma or a space to separate big numbers into groups of three from right to left. Tip 四位数或者四位数以上的基数词的拼写规律:用逗号从右往左每三位加一个逗号,第一个逗号读作thousand (千),第二个逗号读作million (百万),第三个逗号读作billion (十亿)。 hundred后莫忘 “and” 3,610 94,295 three thousand six hundred and ten ninety-four thousand two hundred and ninety-five Practice Read the sentences about Simon’s home and family in Part A1 on page 11 and pay attention to the numbers. (1) We live in Room 806 (eight o six), Building 15 (fifteen), City Garden. (2) Our flat is 98 (ninety-eight) square metres in area. (3) Our phone number is 010-1212 1212 (o one o one two one two one two one two). (4) My sister Annie is nine years old, and she is in Grade 4 (four). 表示“一亿”用one hundred million 英语中表示“万”用ten thousand; 表示“十万”用one hundred thousand; 表示“千万”用ten million; 用法 (1)基数词主要用于表达确切的数量。 金钱 年龄 蝴蝶的种类 I make five hundred dollars a week. Their son Dylan is twelve. They have a butterfly house with over 200 kinds of butterflies! It is about 10 miles from here. 距离 Practice Mum usually gets up at 6:45 (six forty-five) in the morning. My computer costs 4,550 (four thousand, five hundred and fifty) yuan. Notes We read room numbers, building numbers, house numbers and phone numbers as individual digits. Read and learn Read the text below and pay attention to the use of cardinal numbers phone numbers 18 Read and practise Try to read the big numbers below. We often use a comma or a space to separate a big number into groups of three from right to left. Production Finish Part A2 on page 11. My home is about 20 (twenty) kilometres from Nanjing. It is in Room 302 (three o two), Building 9 (nine), Moonlight Garden. It is not very big and has an area of 80 (eighty) square metres. I have a younger sister. Her name is Susan. She is 6 (six) years old, and she is in Grade 1 (one). In our free time, we like painting together. We put up over 50 (fifty) pictures on the walls of our living room. They are very beautiful! Read and practise Read the sentences in Part A1 and pay attention to the numbers. Simon is writing about his home and family. Read the sentences and pay attention to the numbers in his writing. Talk with your partner about your home and family using cardinal numbers. I can 掌握基数词的用法,构成,及大数字的读法 用基数词谈论自己的家庭及家庭成员 掌握序数词的用法及构成 用基数词和序数词写一篇短文介绍自己的家庭生活 Enjoy a song Let’s listen to a song of cardinal numbers and sing together. Let’s enjoy another song. It’s about ordinal numbers. Read and understand Read the sentences about Li Mengtian and pay attention to the use of ordinal numbers. Identify the ordinal numbers and underlined them. I. 写出下列数字的英文表达方式。 1. 3,478 _ 2. 45,063 _ 3. 23,768,920 _ _ 4. 64,433,021 _ _ three thousand four hundred and seventy-eight Forty-five thousand and sixty-three twenty-three million seven hundred and sixty-eight thousand nine hundred and twenty sixty-four million four hundred and thirty-three thousand and twenty-one II. 根据语境,用括号内所给单词的适当形式填空。 1. _(hundred) of students are singing together. 2. September is the _(nine) month of the year. 3. My new flat is on the _(twelve) floor of the building. 4. Tomorrow is my father's _(forty) birthday. We will have a party for him. 5. _(thirty-one) August is the last day of our summer holiday. Hundreds ninth twelfth fortieth Thirty-first Thank you Lavf58.20.100 $