1、考点一 不定冠词a/an 的基本用法不定冠词aan(1)泛指某一类人或事物中的一个或一类。例如:An elephant is much heavier than a horse.(2)在叙述时用于第一次提到的某人或某物之前。例如:This is a book.(3)用于序数词前,表示“又一,再一”。例如:I have read the books twice,but I want to read them a third time.(4)用于某些固定词组前,如have a good time,in a hurry,have a rest,for a while,take a walk,have
2、 a look,have a cold等。不定冠词aan(5)a/an 的区别:a 用在辅音音素开头的单数可数名词或字母前,an 用在元音音素开头的单数可数名词或字母前,如 a book,an orange,an egg。注意:以字母u开头的单词u发音为/ju:/时,单词前用a,如a usual boy,a university,a unit,a useful book。常见辅音字母不发音的单词有:an honest boy,an hour,an honor。不定冠词aan互动一例题一()1.Whats this in English,Maria?Its _ map.Aa Ban Cthe D
3、/()2.Cathy was very happy to meet _ old friend on the plane to Paris.Aa Ban Cthe D/例题二B A考点二 定冠词the的用法定冠词the(1)用来表示特指的或双方都知道的人或事。例如:The man over there is Johns uncle.(2)表示上文中提到过的人或者事。例如:There is an English book on the desk.The book is Li Leis.定冠词the(3)用在世界上独一无二的名词前。例如:The sun is bigger than the eart
4、h.(4)用在形容词最高级、序数词前面。例如:This is the highest building in this city.(5)用在乐器名词前。例如:My sister can play the piano and the violin.(6)用在方位名词前。例如:in the east/west/south/north,on the left/right(7)用在姓氏复数形式前,表示一家人或夫妇。例如:The Smiths are watching TV.(8)和形容词连用,表示一类人。例如:The old should be looked after well.定冠词the(9)用
5、在江河湖海及山脉名词前。例如:The Changjiang River is the longest river in China.(10)用在有介词短语或定语从句修饰的名词前。例如:The girl in red(who is wearing red)is my sister.(11)用在某些固定词组中。例如:in the morning/evening/afternoon,in the daytime,in the end,at the same time,by the way,at the age of,at the beginning of,in the middle of,at th
6、e moment等定冠词the互动一例题一例题二CC()1.My cousin went abroad at _ age of eighteen.Aa Ban Cthe D/()2.Look!Whos _ boy over there?Oh,he is my cousin,Bob.He is _ honest boy.Aa;the Bthe;a Cthe;an Da;an考点三 不用冠词的情况不用冠词(1)在专有名词(国名、城市名、人名、路名)前不用冠词。Beijing is a beautiful city.(2)在季节、月份、星期、节日前不用冠词,如in summer/on Monday/
7、in 1995;但中国的传统节日前一般加the,如the MidAutumn Day 中秋节,the Spring Festival;具体某年的季节前一般加the,如in the winter of 2009在2009年的冬天。(3)在球类运动、棋类和学科名词前不用冠词。例如:Mr Zhang likes playing football and chess.不用冠词(4)三餐饭前不用冠词,如have breakfast/lunch/supper/dinner;但三餐饭 前如有形容词修饰时,可以用冠词,如have a nice breakfast吃一顿 美味的早餐。(5)名词前有this,th
8、at,those,these,my,your,some等词修饰时不用冠 词。例如:This is my best friend.(6)用在某些固定词组中:at school,at home,watch TV,on foot,in bed,in hospital,at first,in trouble,in public,by bus/bike/plane/train,at noon,at night 等。互动一例题一例题二BA()1.My son seldom has _ breakfast.It is _ unhealthy habit.You must ask him to change
9、it.A/;an Bthe;an C/;a Dthe;a()2.Bill likes playing _ basketball,but he doesnt like playing _ piano.Athe;the B/;the Cthe;/Da;the常考基数词、序数词一览表常考基数词、序数词一览表数字基数词序数词数字基数词序数词1onefirst15fifteenfifteenth2twosecond16sixteensixteenth3threethird17seventeenseventeenth4fourfourth18eighteeneighteenth5fivefifth19ni
10、neteennineteenth6sixsixth20twentytwentieth7sevenseventh30thirtythirtieth8eighteighth40fortyfortieth9nineninth50fiftyfiftieth10tententh60sixtysixtieth11eleveneleventh70 seventyseventieth12twelvetwelfth80eightyeightieth13thirteenthirteenth90ninetyninetieth基数词变序数词口诀:基数词变序数词口诀:1,2,3特殊记,结尾各为t,d,d;加th,4开始
11、;8少t,9去e,千万别忘记 (eighth,ninth);5和12不规则,f来把ve替 (fifth,twelfth);20到90,y结尾变成ie(twentieth);若是几十几,前基后序就可以。考点一 基数词基数词(1)基数词表示数量,后面一般接复数名词(“一”除外),如 seven days。(2)基数词的读法:从右向左看,每隔三位划一逗号,倒数第一个逗号之前要用thousand,倒数第二个逗号之前要用million,倒数第三个逗号之前要用billion。例如:7,258,366,200 可读为:seven billion,two hundred and fiftyeight mill
12、ion,three hundred and sixtysix thousand,two hundred百位与十位之间要加and,如one hundred and twentyfive;十位与个位之间要加连词符,如seventyfour。(3)hundred,thousand,million,billion,dozen前面有具体数字时,后面不加s 和of;如果没有具体数字,后面必须加s 和of。如:five hundred(五百),hundreds of(成百上千的),ten thousand(一万),thousands of(成千上万的),millions of(上百万的)。基数词(4)时间的
13、读法顺读法:点钟分钟。例如:2:05 two five3:50 three fifty逆读法:分钟 30,用“past”:分钟past点钟(几点过几分)。例如:4:15 four fifteena quarter past four6:30 half past sixthirty past six 分钟 30分钟,用“to”:分钟(60分钟数)to(点钟1)(几点差几分)。例如:7:40 twenty to eight8:45 a quarter to ninefifteen to nine 整点的表达:点钟oclock。例如:9:00 nine oclock 基数词(5)编号的表达:名词基数
14、词the序数词名词。例如:Lesson Onethe first lesson(6)小数点用“point”,百分数用“percent”表达。例如:14 one point four60%sixty percent(7)与表示度量衡单位的词连用。例如:10米深/长/宽/高 ten meters deep/long/wide/tall基数词互动一例题一()1._ of volunteers will be needed for 2015 Horticulture Exportion in Qingdao.Lets go and _ them.A T h o u s a n d s;j o i n
15、BThousand;be a member of C T h r e e t h o u s a n d;t a k e p a r t i n DThousands;be in()2.The chairperson received about three _ applications to join the Bird Watching Club.Ahundred Bhundreds of Chundred of Dhundreds 例题二D A考点二 序数词序数词(1)序数词表示顺序,前面一般有“the”或代词修饰,后面一般接名词单数。例如:Monday is the second day
16、 of the week.Today is his seventeenth birthday.注意:a/an序数词表示“又一,再一(表示泛指)”。例如:I have failed twice,but I want to try a third time.(2)分数的表达:分子用基数词,分母用序数词,分子大于1,分母s。例如:1/3 one third3/4 three fourths/three quarters(3)日期的表达:英语中日期的表达顺序为月、日、年或日、月、年。如:It happened on January the second,1990.It happened on Janu
17、ary 2,1990.序数词互动一例题一例题二DC()1.David,how old is your father this year?_.And we just had a special party for his _ birthday last weekend.AFortieth;forty BForty;forty CForty;fortieth DFortieth;fortieth()2.Its said that _ of the water around the world _ polluted.Atwo third;has Btwo thirds;have Ctwo third;are Dtwo thirds;is考点三 其他重点表达其它重点表达半小时 half an hour半天 half a day 两天半 two and a half daystwo days and a half 一至两天 one or two daysone day or two在20世纪90年代 in the 1990s在他30多岁 in his thirties再多两天 two more days another two days