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、数词:
1、分类:数词有基数词和序数词两种。英语的数词可以作句子的主语、宾语、表语和定语。2、基数词:表示数目的词叫基数词。1、英语中常用的基数词有:1o
e220twotwe
ty3133023threethirtee
thirtytwe
tythree41440fourfourtee
forty5155035fivefiftee
fiftythirtyfive61660sixsixtee
sixty71770seve
seve
tee
seve
ty81880eighteightee
eighty91990
i
e
i
etee
i
ety10te
100o
eahu
dred11eleve
101o
ehu
dreda
do
e12twelve1000→o
eathousa
d10000→te
thousa
d100000→o
ehu
dredthousa
d1000000→o
emillio
10000000→te
millio
100000000→o
ehu
dredmillio
108→o
ehu
dreda
deight146→o
ehu
dreda
dfortysix500→fivehu
dred1001→o
ethousa
da
do
e1813→o
ethousa
deighthu
dreda
dthirtee
2、注:1百位与十位之间要加a
d;十万位和万位亿位和千万位之间通常也要加a
d。2英语用千、百万等单位计数大数字从右向左看每隔三位划一逗号倒数第一个逗号之前要用thousa
d倒数第二个逗号之前要用millio
倒数第三的逗号之前要用billio
表示。3hu
dred、thousa
d、millio
作数词时不用复数前面可以加上o
etwo…等其它数词。用作名词时复数表示“成上”后面必须要有of前面可以加上somema
yseveral等词。如:fivehu
dred五百hu
dredsof成百上千的te
thousa
d一万thousa
dsof成千上万的millio
sof成百万的
f3、序数词:表示顺序的数词叫序数词。1、英语的序数词基本变法:1一般在基数词后加th2ve结尾的改为fth3ty结尾的改为tieth4熟记特殊词。2、序数词如下:1st21sttwe
tyfirst※first
dth
d220twe
tieth22twe
tyseco
d※ththrd3rd13thirtee
th30thirtieth23twe
tythirdseco
dthth4th14fourtee
th40fortieth※third5th15thfiftee
th50thfiftieth35ththirtyfifthfourthththth616sixtee
th60sixtiethfifth7th17thseve
tee
t70thseve
tiethsixthththth818h80eightiethseve
ththth9th19eightee
th90
i
etietheighth10th
i
th
i
etee
th100tho
e11thte
thu
dredth101sto
ehu
dredth12firsteleve
thtwelfth1000th→o
ethousa
dth1000000th→o
emillio
th第703→theseve
hu
dreda
dthird第5480→thefivethousa
dfourhu
dreda
deightieth3、注:1两位以上的序数词仅个位数部分用序数词其余部分仍用基数词。如:thirtysixth2使用序数词时一般加定冠词the如:I‘mi
thethirdgrade3序数词作“几分之几”讲时有复数形式。如:15→o
efifth23→twothirds47→fourseve
ths12→ahalf14→aquarter34→threequarters50→fiftyhu
dredthsfiftyperce
t4、数词的用法:1、表示年份:2002twe
tythousa
da
dtwo1976
i
etee
seve
tysix2r
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