2014小升初英语知识点专项复习专题二-词类-冠词课件ppt.ppt
一、什么是冠词?一、什么是冠词?冠词是用于名词前,说明名词所表示的人或事物冠词是用于名词前,说明名词所表示的人或事物的词。的词。二、冠词的分类。二、冠词的分类。定冠词:定冠词:the 冠词冠词 不定冠词:不定冠词:a、an 1、不定冠词的用法、不定冠词的用法 a/an 都表示一个,有些情况也可译为都表示一个,有些情况也可译为“每每”an 用在单词发音中用在单词发音中元音音标元音音标开头的单词开头的单词 a 用在单词发音中用在单词发音中辅音音标辅音音标开头的单词开头的单词 Eg.an orangean apple三、冠词的用法:三、冠词的用法:(1)表示某一类人或事物中的任何一个,经)表示某一类人或事物中的任何一个,经常用在第一次提到的某人或某物时,用不定冠常用在第一次提到的某人或某物时,用不定冠词起介绍作用,表示词起介绍作用,表示“一个一个”e.g.This is an interesting book.这是一本有这是一本有趣的书。趣的书。(2)表示人或事物的某一类,强调整体,即以表示人或事物的某一类,强调整体,即以其中一个代表一类。其中一个代表一类。e.g.A bird can fly.鸟会飞。鸟会飞。(3)表示数量)表示数量“一一”,相当于,相当于one.e.g.There are twenty-four hours in a day.一天有一天有24小时。小时。(4)用于一些习语中。)用于一些习语中。in a minute 一会儿一会儿 for a while 一会儿一会儿have a try 试一试试一试 in a word 总而言之总而言之2、定冠词、定冠词 the 的用法:的用法:(1)特指某些人或物特指某些人或物 The book on the desk is mine.(2)双方都知道的人或事物双方都知道的人或事物 Open the door,please.(3)指上文提到的人或事物指上文提到的人或事物 He lives on a farm,the farm is not big.(4)指世界上独一无二的事物前;如果指世界上独一无二的事物前;如果名词前有修饰语,也可能用不定冠词。名词前有修饰语,也可能用不定冠词。The sun is bigger than the moon.a bright moon(5)用在形容词前表示一类人。用在形容词前表示一类人。the poor the old(6)用在姓氏前表示一家人。用在姓氏前表示一家人。The Greens are at table.(7)用于序数词、形容词最高级及形容词用于序数词、形容词最高级及形容词only,very,same等词的前面。等词的前面。The island is the biggest of the three.January is the first month of the year.They are in the same class.(8)用于乐器前。用于乐器前。I like playing the piano.(9)用在习语中。用在习语中。look the same in the daytime四四、不用、不用冠词的情况:冠词的情况:1.在国名、人名等专有名词前不用。在国名、人名等专有名词前不用。Canada Lucy2.复数名词表示泛指,表示一类人或事物复数名词表示泛指,表示一类人或事物时,可不用冠词。时,可不用冠词。I like vegetables.3.不可数名词前通常不加不定冠词,但可不可数名词前通常不加不定冠词,但可加定冠词修饰。加定冠词修饰。Water is important to us.Where is the juice?4.在季节、月份、星期、节日等名词前不在季节、月份、星期、节日等名词前不用冠词。用冠词。Its autumn now.Its cool.New term begins in September.I often visit my grandparents on Sunday.Christmas Day Childrens Day5.在称呼、官衔、职业的名词前不用。在称呼、官衔、职业的名词前不用。This is my math teacher.6.在一日三餐、球类运动或娱乐运动的名在一日三餐、球类运动或娱乐运动的名词前不用。词前不用。have breakfast/lunch/dinnerplay football/basketball/chess7.当两个或两个以上的名词并用时不用。当两个或两个以上的名词并用时不用。I can write with pen and pencil.8.当名词前已有作定语的词时不用。当名词前已有作定语的词时不用。Id like to buy this dress.例题:例题:冠词冠词 (a/an)1.I have _ book.2._ cat can catch insect.3.Lucy spends _ hour doing her homework everyday.4.Bobs father is _ engineer.5.John is _ honest boy.6._ apple _ day keeps the doctor away.aAanananAna7.Lets have _ rest for _ while.8.Mother bought me _ uniform yesterday.9.I have _ pencil,_(a,the)pencil is red.10._(a,the/)sun is shining brightly in _(a,the,/)sky.11._(a,the)dictionary on _(a,the)desk is mine.12.Is(the,/)Mary(a,the,/)youngest girl in our class?13.Can you play(a,an,the,/)violin?14.We go to school by(a,the,/)bike in(a,an,the)morning every day.aaaatheThetheThethe根据所学知识用根据所学知识用a,an,the,/填空填空My name is _ Michael.Im in _ grade three thisterm.My mother is _doctor and my father is _actor.Today is _ Saturday.Now,my father is talkingon _ phone.Mymother is having _ breakfast.My grandmother is watering _ flowers in _ garden and Im watching _ TV.Look!This is my zone.There is _ beautiful umbrella in my bedroom.I like _ umbrella very much because I bought it in _ Paris.These are all my presents.