代词[上学期]

课件13张PPT。REVISION
ARTICLES AND NUMBERS不定冠词的用法 　　冠词是虚词，本身不能单独使用，也没有词义，它用在名词的前面，帮助指明名词的含义。英语中的冠词有三种，一种是定冠词（the Definite Article），另一种是不定冠词（the Indefinite Article），还有一种是零冠词（Zero Article）。
不定冠词a (an) 的用法。
a用于辅音音素前，而an则用于元音音素前]。　1) 表示“一个”，但是数的概念没有one强烈.　　 I have a mouth, a nose and two eyes.
2) 指某人或某物，意为a certain。
This is a pen. The pen is red.
3) 代表一类人或物。　　 A knife is a tool for cutting with.　　 Mr. Smith is an engineer. A car runs faster than a person.
　4) 词组或成语。　　 a little / a few / a lot / a type of / a pile / a great many / as a rule / in a hurry / in a minute / in a word / in a short while / after a while / have a cold / have a try / keep an eye on / all of a sudden 　6）与复数名词连用，指整个群体：　 They are the teachers of this school.指全体教师)　 They are teachers of this school.　 (指部分教师)　　7）用在某些由普通名词构成的国家名称、机关团体、阶级、等专有名词前：　 the People's Republic of China　 中华人民共和国　 the United States　 美国　8）用在表示乐器的名词之前：　 She plays the piano.　她会弹钢琴。　9) 用在姓氏的复数名词之前，表示一家人：　　　 the Greens　 格林一家人 (或格林夫妇)　10) 用在惯用语中：　　　in the day, in the morning (afternoon，evening),　the day after tomorrow　 the day before yesterday,　the next morning,　in the sky (water，field，country)　in the dark,　in the rain,　in the distance,　in the middle (of),　in the end,on the whole,　by the way,　go to the theatre8）当两个或两个以上名词并用时，常省去冠词；　　I can‘t write without pen or pencil.　　
　9）当by 与火车等交通工具连用，表示一种方式时，中间无冠词；
by bus，by train；
　10）有些个体名词不用冠词；如：　 school，college，prison，market，hospital，bed，table，class，town，church，court 等个体名词，直接置于介词后，表示该名词的深层含义；　　　 go to hospital　　去医院看病　　　 go to the hospital　 去医院 (并不是去看病，而是有其他目的)
　11)不用冠词的序数词；　a. 序数词前有物主代词 　b. 序数词作副词　 He came first in the race.　c. 在固定词组中　 at (the) first, first of all,　　from first to last1　I often go to swim in ________Summer.
2　This is ________ yellow pencil.
3　My mother is telling me ________ old story, but it is ______interesting story.
4　Please give her ________ apple.
5　I have ________ hat. ________ hat is new.
6　In ________ evening, I often watch TV.
7　—Where is my cap?
　 —It is behind ________ door.
8　________ map on ________ wall of their classroom is ________ map of China.
9　Tom is ________ English. Sam is ________American.
10　Lily And Alice are in ________ same class./TheTheantheatheathetheananana数词的用法　　1）倍数表示法　　 a. 主语+谓语+倍数（或分数）+ as + adj. + as　　　 I have three times as many as you.　我有你三倍那么多。 　　 b. 主语+谓语+倍数（分数）+ the size (amount，length…) of…　　　 The earth is 49 times the size of the moon.　地球是月球的49倍。 　　 c. 主语+谓语+倍数（分数）+ 形容词（副词）比较级+ than…　　 The grain output is 8 percent higher this year than that of last year.　　 今年比去年粮食产量增加8%。 　　 d. 还可以用by+倍数，表示增加多少倍　　 The production of grain has been increased by four times this year.　　 今年粮食产量增加了4倍。 　　2）分数表示法　　构成：基数词代表分子，序数词代表分母。分子大于1时，分子的序数词用单数，分母序数词用复数：　 1/3 one-third ； 3 3/7 three and three-sevenths.
3)小数：
小数点读point, 0 读o 或zero, 小数点后的数字按个位基数词依次读出即可。
0.5 zero point five, 3.145 three point one four five
4) 百分数：
百分数由基数词+ percent 来表示。
3% three percent 56% fifty-six percent
5)数字运算
1+2=3 one plus two is three
5-4=1 five minus four is one
2*3 =6 two times three is six/ two multiplied by three is six
8/4=2 eight divided by four is two.6）年、月、日及时间的表示法
1990
Nineteen ninety
2000
(the year) two thousand
20世纪90年代 1990s
nineteen nineties
7月1日
July the first; the first of July
5:12 twelve past five
8:30 half past eight
11:45 a quarter/ fifteen to twelve1．There are??_____ （365）days in a year．） 2．Look！There are _____ （成千上万的） stars in the sky．3． _____ （2／3）of the students are girls in our class． 4．September is the _____??month of the year．5．There are forty-six students in Class _____ （三班）．6．December is the??_____ and last month of the year． 7．Ann received a lot of presents on her _____ birthday．The twelve-year-old girl felt very happy．
8．There are??_____ students in our class， twenty boys and twenty girls． 9．Our teacher often tells us that work must come _____??．10．At the beginning of the _____ （twenty） century，the world's population was about 1， 700 million．1.现在是十二点一刻. .
2.第一个比第二个好. .
3.五月二十一日是王平的生日. .
4. 麦克收集了五百多张中国邮票. .
5. 大约有一千人丧生. .
6. 这座桥有二百米长. .
7. 数以百计的人在等车. .
8. 这所学校三分之二的教师是青年教师.
9. 从我家走路到滨湖公园只有五分钟路程.
10. 第十二课比第九课难得多.