Unit 1Dream homes ---Grammar
基数词 数词 序数词
基数词 0 zero 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty-one 22 twenty-two … thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety
100 one/a hundred 1,000 one thousand 10,000 ten thousand 100,000 one hundred thousand 1,000,000 one million 26 twenty-six 260 two hundred and sixty 2,261 two thousand, two hundred and sixty-one 2,026 two thousand and twenty-six 1,200,226 one million, two hundred thousand, two hundred and twenty-six
one thousand, eight hundred and fifteen 180 = 1,815 = 91,000 = 260,000 = How do we say it? one hundred and eighty one thousand, eight hundred and fifteen ninety thousand two hundred and sixty thousand,
How do we say it? 8,000,000 = 13, 000,000 = eight million thirteen million
序数词 1 = one 1st = first 2 = two 2nd = second 3 = three 3rd = third 4 = four 4th = fourth 5 = five 5th = fifth 6 = six 6th = sixth 7 = seven 7th = seventh 8 = eight 8th = eighth 9 = nine 9th = ninth 10 = ten 10th = tenth
How do you write it? Ordinal numbers 1st = first 10th = 2nd = second 11th =eleventh 3rd = third 12th =twelfth 4th = fourth 13th= 5th = fifth 20th =twentieth 6th = 21st=twenty-first 7th = 22nd= 8th = 23rd= 9th = ninth 30th= 10th= 100th= tenth thirteenth sixth seventh twenty-second eighth twenty-third thirtieth tenth a hundredth
口诀如下： 基变序，有规律，词尾加上th。 123，特殊记，词尾字母t,d,d。 8加h , 9去e， f来把ve替 (twelve-twelfth /five-fifth) 。 整十“y”变ie，以上你都要牢记。
Language points: 1. 序数词的运用： ⑴表示日期：e.g. 6月1日 on the first of June/ on June (the) first ⑵表示编号：e.g. lesson 5 the fifth lesson ⑶起副词作用，前无“the” e.g. Simon came first in the English exam. ⑷序数词前有限定词修饰时，不加“the”. e.g. This is my first lesson.
Do B2 on Page12
1、Elsa lives on the _________ floor. 2、Ivan lives on the _________ floor. 3、Mary lives on the _________ floor. 4、Peter lives on the _________ floor. 5、Ricky lives on the _________ floor. 6、Wilson lives on the _________ floor. seventh fifteenth fourth second ninth twelfth
THANK YOU ! Unit 21 What are you doing? Thank you