冠词和数词精选PPT.ppt
关于冠词和数词第1页,讲稿共26张,创作于星期日一、冠词冠词1.不定冠词:a/an 2.定冠词:the 3.零冠词:固定搭配(5类情况)4.冠词用法比较(3组)第2页,讲稿共26张,创作于星期日1、不定冠词a 用于以辅音音素,半元音/j/、/w/开头的单词特殊:u 开头的单词(useful、usual、USA、European、unique、uniform)an 用于以元音音素开头的单词(a,e,i,o,u/)特殊:honor、hour、honest 发的第一个音是元音第3页,讲稿共26张,创作于星期日1、不定冠词用法1.不定冠词a和an的用法(1)a 用在以辅音音素开始的名词前;an用在以元音音素开始的名词前。如:an apple a bed(2)表示某类人或事物中的“一个”,但不强调数目概念,没有one强烈。如:I have a new bag.(3)用于第一次提到的和泛指的单数可数名词前。如:There is a book on the desk.Do you have a ruler?(4)用于某些固定词组中如:have a good time a lot of have a look第4页,讲稿共26张,创作于星期日2、定冠词用法the1.特指某些人或物:e.g.:The book is helpful.2.指前面提到过的人或物:e.g.:I saw a book on the desk.The book is hers.3.宇宙中独一无二的东西:e.g.:The sun is very big.4.用于形容词最高级前:e.g.:This apple is the biggest in the basket.5.用于序数词前:e.g.:Lily got the first prize in the contest.第5页,讲稿共26张,创作于星期日2、定冠词用法6.用于江、河、海洋、山脉等名词前:长江,黄河7.由普通名词构成的专有名词前:e.g.:the Peoples Republic of China the Great Wall8.用于姓前,表示(一家人),动词用复数形式e.g.:The Smiths are at home.9.用于乐器名词前:e.g.:play the piano第6页,讲稿共26张,创作于星期日2、定冠词用法10.the+形容词,表示一类人e.g.:The young are very happy.11.the+比较级,the+比较级结构e.g.:The more you eat,the fatter you will be.12.固定搭配:P46第7页,讲稿共26张,创作于星期日3、零冠词1、交通工具,通讯工具前by bus/train/plane/subway/bike/ship2、一日三餐前 have breakfast/lunch/dinner3、日期、月份、季节、节日前 on Monday 4、称呼或表头衔的名词前Mum,where is my hat?Aunt Zhang.5、棋类、球类运动的名词前 play basketball/chess6、某些习惯用语前e.g.:go to bed,go to school,go to town,at home8.国名、地名、人名等专有名词前不用冠词 eg:in Zhuzhou in China 7.名词前已有做定语用的代词时,不再用冠词。e.g:This is my bag.Those are your books.第8页,讲稿共26张,创作于星期日4、冠词用法比较In hospital 住院In the hospital 在医院里(看病,探病,工作)In bed 卧病在床In the bed 坐在床上(看书,看电影)At table 吃饭At the table 在桌边(写字,玩游戏)第9页,讲稿共26张,创作于星期日Exercise:选择题1.There is ruler in pencil box.Pencil-box is Ping Ping s.A.a;the;The B.the,the,The C.a;the;A2.boys are twins.They look same.A./;/B.The;A C The;the3.Wang Ping isnt Chinese boy.He is English boy.A.a;an B.an;an C.an;a4.She has got _ long hair and big eyes.A.a,two B.the,the C./,/5.Look!cat is eating fish.A.a B.The C.anACACB第10页,讲稿共26张,创作于星期日6.ball under the desk is mine.A./B.The C.A7.Let me have look.A.a B./C.the8.Look,moon is round.A.a B./C.the9.l like summer better than winter.A./;the B./;/C the;/10.When is your birthday?Its 14th of August.A.a B.the C./BACBB第11页,讲稿共26张,创作于星期日冠词练练练请填入适当的冠词1.I had _ lunch with _ friend of mine.2.-Where is Mom?-Shes taking _ walk in _ garden.3.Mike is going to _ school tomorrow for _ first time.4.This is _ shortest way to _ Science Museum.5.There is _“L”and _“n”in the word“long”.6._ English-Chinese dictionary is _ useful tool./a aa athethethethetheananana a第12页,讲稿共26张,创作于星期日数词第13页,讲稿共26张,创作于星期日概念概念 数词就是表示事物的数量和顺序的词,分基数词和序数词两种。表示数目或数量多少的词叫基数词,如:one,ten,fifteen 等;表示数目顺序的词叫序数词,如:fifth,second,twelfth等。第14页,讲稿共26张,创作于星期日一.基数词的构成 1)112,独立成词。独立成词。one two three four five six seven eight nine ten eleven twelve 2)13-19,由由39+teen构成。构成。14fourteen 16-sixteen 17-seventeen 19nineteen 特殊拼写特殊拼写:13 thirteen 15-fifteen 18eighteen 3)2090,以以-ty结尾。结尾。20twenty 30thirty 40forty 50fifty 80eighty 60sixty 70seventy 90ninety 4)2199,两位数,十位与个位之间有两位数,十位与个位之间有“”。21 twenty-one 55 fifty-five 99 ninety-nine 5)101999,三位数,百位与十位,三位数,百位与十位/个位之间加个位之间加 and。101 one hundred and one 840 eight hundred and forty 693 six hundred and ninety-three 第15页,讲稿共26张,创作于星期日 英语中常用的基数词有:1000one(a)thousand,10000 ten thousand,100000one hundred thousand,1000000one million,10000000ten million,100000000one hundred million,108one hundred and eight,146one hundred and forty-six,500five hundred,1001one thousand and one,1813one thousand eight hundred and thirteen.第16页,讲稿共26张,创作于星期日29,43150076,thousandhundredmillionbillionand6)1,000以上数目以上数目,从右向左每三位用从右向左每三位用“,”分开分开,分别读为分别读为thousand,million,billion,注意:注意:这几个词不能用复数形式,后也不能加这几个词不能用复数形式,后也不能加andand。第17页,讲稿共26张,创作于星期日7)表示具体、准确的数目时,hundred,thousand,million等数词后不能加-s,如five hundred,six thousand,seven million8)当hundred,thousand等数词与of连用,表示不具体、不准确的数目时,词尾须加-s。如:thousands of students,millions of trees.第18页,讲稿共26张,创作于星期日2、“基数词基数词+名词名词”的的合成形容词合成形容词作定语,作定语,中间有连字符中间有连字符“”,当中的名词用当中的名词用单数单数。a 3 year old girl a seven-day holiday 注:这种结构中名词不能用复数,同时只能作定语。用作表语时,不用连字符,名词有复数。如:Tony is 10 years old this year.Tony is a 10-year-old boy.3、表计量、表计量-“基数词基数词+度量单位度量单位+形容词形容词”The classroom is 7 meters long,6 meters wide and 3 meters high.第19页,讲稿共26张,创作于星期日 4、表示时刻、表示时刻(介词用介词用at)1)顺读法顺读法-先时后分先时后分,“几点几分几点几分”9:30 nine thirty 6:21 six twenty-one 3)15分钟:分钟:a quarter 30分钟:分钟:a half 9:15 a quarter past nine 12:30 half past twelve2)逆读法逆读法-先分后时先分后时 表示表示“几点几点过过几分几分”,半小时以内,介词用,半小时以内,介词用past 分钟数分钟数+past+钟点数钟点数 10:10 ten past ten 8:20 twenty past eight表示表示“几点几点差差几分几分”,半小时以上,介词用,半小时以上,介词用to 60减原分钟减原分钟+to+(下一个下一个)钟点数钟点数 9:50 ten to ten 7:40 twenty to eight第20页,讲稿共26张,创作于星期日三、序数词的构成三、序数词的构成1)13,first,second,third。2)419,相应基数词+th,特殊拼写:fifth,eighth,ninth,twelfth。3)2090,y变成ie+th,如twentieth。4)2199,只把个位的基数词变成序数词 如twenty-first。5)序数词缩写数字最后两字母 如1st,2nd,3rd,4th第22页,讲稿共26张,创作于星期日基变序基变序,有规律有规律,一、二、三,特殊记,面目全非要注意,一、二、三,特殊记,面目全非要注意,加加th从从4起,起,八少八少“t”,九去,九去“e”,“ve”要用要用“f”替,替,(five,twelve)见见“y”变成变成“i”和和“e”,词尾加上,词尾加上“th”,(twenty,thirty,ninety)若是遇到几十几,只变个位就可以。若是遇到几十几,只变个位就可以。序数词缩写记清楚序数词缩写记清楚,数字后跟两字母。数字后跟两字母。(序数词构成规律)第23页,讲稿共26张,创作于星期日(1)序数词作定语,前面要加序数词作定语,前面要加the;The first truck is carrying a food basket John lives on the fifteenth floor She is my first English teacher.(2)有时加有时加a/an,“再一再一”,“又一又一”的意思的意思Well have to do it a second time Shall I ask him a third time?When I sat down,a fourth man rose to speakThey had a second child in 1988四、序数词的用法四、序数词的用法第24页,讲稿共26张,创作于星期日五、数词的用法五、数词的用法 1、编号表示法、编号表示法编号在前,名词在后,用序数词,前面有the编号在后,名词在前,用基数词,注意首字母大写房间号码和电话号码要一个一个分别读The First Lesson(在句子中不大写)(在句子中不大写)Lesson One the thirty-second pagePage 32/Page Thirty-twoRoom 305Bus No.42第一课第一课第第32页页第第305房间房间第第42路公共汽车路公共汽车第25页,讲稿共26张,创作于星期日感谢大家观看12.10.2022第26页,讲稿共26张,创作于星期日