江苏省永丰初级中学七年级英语下册 Unit 1 Dream Homes Grammar课件 （新版）牛津版.ppt

grammarii dreamhomes numbers howfarisneil stownfromlondon howmanyroomsdoesstephenhaveinhishouse whichfloordoesannaliveon howmanypeoplearethereinyourfamily 15miles eight theseventhfloor 0 10zeroonetwothreefourfivesixseveneightnineten11 19eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen203040 100twentythirtyfortyfiftysixtyseventyeightyninetyhundred cardinalnumbers 基数词 37thirty seven 基数词规律 一 1 12特殊记 13 19均以teen结尾 20 100以内的整10数均以ty结尾 二 20以上非整数 书写时要在个位和十位之间加连字符 1001 00010 000200 0001 000 00010 000 000200 000 0001 000 000 000 onehundred onethousand 千 tenthousand twohundredthousand onemillion 百万 tenmillion twohundredmillion onebillion thousandmillion canyoureadtheselargenumbers 十亿 规律三 1000以上的数字 通常用逗号分隔 从个位开始 三个一组 第一个逗号读thousand 第2个读million 第3个读billion 1 000 000 000 step1 onehundredandtwenty threebillion step2 fourhundredandfifty sixmillion step3 sevenhundredandeighty ninethousand step4 onehundredandthree 103 789 456 123 let ssaythenumbers 4 05623 813567 1106 425 200 fourthousandandfifty six twenty threethousand eighthundredandthirteen fivehundredandsixty seventhousand onehundredandten sixmillion fourhundredandtwenty fivethousand twohundred ican 规律4 每一个单位里面 000 000 百位和十位之间用and每一个单位里面 只要个位和十位有一个不是0 用and hundred thousand million后可否加 s therearemorethantwo hundred studentsingrade7 thousand ofliveswerelost 丧失 inwenchuangearthquake hundred thousands 规律四 当有具体数字时 hundred thousand million后不加s 当表示泛指数量时用以下词组hundredsof thousandsof millionsof learningaboutdifferentcountries 1peoplefromabout180countriesandareasliveinnewyork 2thecntoweris1 815feettall 3redsquareinmoscowisabout91 000squaremetresinsize 在大小上4francehasanareaofover260 000squaremiles 有 面积5thereareabout8 000 000peoplelivinginlondon 6tokyo thecapitalofjapan hasover13 000 000people ordinalnum 序数词 one first two second three third four fourth five fifth six sixth seven seventh eight eighth nine ninth ten tenth 序数词 twenty twentieth thirty thirtieth forty fortieth fifty fiftieth sixty sixtieth seventy seventieth eighty eightieth ninety ninetieth 1st 2nd 3rd 4th 6th 8th 7th 10th 1 writeouttheordinalnumbers first second third fourth sixth eighth seventh tenth rules 1 序数词除first second和third外 其他大部分都是由相应的基数次加 th构成的 3 writetheordinalnumbers twenty thirty forty fifty sixty twentieth thirtieth fortieth fiftieth sixtieth rules 2 以y结尾的整数 把y变成ie 再加 th 3 five eight nine twelve的特殊变化 nineeightfive ninth eighth fifth 4 morenumbers 21223975 twenty first twenty second thirty ninth seventy fifth rules 两位数或两位以上的数 只要把个位数变成序数词 基变序 有规律 末尾加上th一 二 三 特殊记 末尾字母t d d八减 t 九去 e f 要把 ve 替 fifth twelfth ty 全变 tie twentieth thirtieth ninetieth 要是遇上几十几 只变个位就可以 twenty first ordinalnumbers 序数词 口诀 b1 40 forty19th nineteenth22nd twenty second23rd twenty third30th thirtieth100th hundredth 5 用序数词填空1 unclejimwillarriveonthe 17 ofjune 4 herbirthdayison 23 ofaugust 5 weliveon 第14层 floor 6 wendywon 第二 prizeintheartcompetition thetwenty third thefourteenth thesecond seventeenth 今天是2月20日 todayisfebruarythetwentieththetwentiethoffebruary 练一练1 妇女节在3月8日 2 教师节在9月10日 3 圣诞节在12月25日到来 1 women sdayisonmarchtheeighth 2 teachers dayisonthetenthofseptember 3 christmascomesondecemberthetwenty fifth 看书 whichfloordoyoulive iliveonthe floor first second third fourth fifth sixth eighth seventh ninth twelfth eleventh tenth ground b2 seventhfifteenthfourthsecondninthtwelfth decemberisthe monthoftheyear mondayisthe dayoftheweek englishisspokenbymostpeopleastheir languageintheusa greatbritain australian andcanada thegamesofthe olympicin2008washeldinthecityofbeijing i mhungry i veeatenthreeapples wouldyoupleasegivemea one atthebeginningofthe centurytheworld spopulationhaspassed6billion hegoto