第1个回答 2020-04-11
表示数目顺序词叫做数词数词基数词序数词基数词表示数量序数词表示顺序
4.1基数词构用
(1)基本基数词表所示:
(2)基数词写
①
21~99
两位数十位与位间用连字符-例:
◇
21
twenty-one
◇
32thirty-two
◇
98
ninety-eight
◇
99ninety-nin
e
②
101~999三位数百位数面数间用连词and百、千等数词律用单数形式例
:
◇
101
one
hundred
andone
◇
225
two
hundred
andtwenty
five
◇
999
nine
hundred
andninety-nine
③
1000数面向前数每三位间点第前thousand第
二前
million第三前billion例:
◇
2567
two
thousand
fivehundred
and
sixty-s
even
◇
3018
three
thousand
andeighteen
(3)
基数词用
①
作主语例:
◇
Ten
is
a
very
important
number.
十重要数字
◇
Two
and
three
are
(is)
five.
2加3等于5
②
作定语例:
◇
One
kilometer
is
equal
to
two
li.
1公等于2华
◇
She
has
three
brothers.
三兄弟
③
作宾语例:
◇
I
wanted
three
but
he
gave
mefive.
我想要三给我五
◇
I
get
up
before
six
every
day.
我每六点前起床
④
作表语例:
◇
-What
time
is
it几点钟啦
-It’s
ten.
十点
(4)
疑难点
hundredthousandmillion合数词般用单数形式用表示定
数目用作复数形式例:
◇
Hundreds
of
workers
will
go
onstrike.
◇
Thousands
of
people
are
swimmingin
the
river.
hundredthousand等词前没数词修饰且通其复数形式与of
连用
4.2
序数词构与用
(1)
序数词构
①
般说由相应基数词加词尾th构例:
◇
four
+
th
→
fourth
◇
six
+
th
→
sixth
◇
seven
+
th
→
seventh
◇
ten
+
th
→
tenth
②
面些基数词变序数词特殊变化例:
◇
one
→
first
◇
two
→
second
◇
thre
e
→
third
◇
five
→
fifth
◇
eight
→
eighth
◇
nine
→
ninth
◇
twelve
→
twelfth
③
十位整数序数词构基数词词y变i再加eth例:
◇
twenty
→
twentieth
◇
thirty
→
thirtiet
h
◇
forty
→
fortieth
◇
ninety
→
nine
tieth
④
两位或两位基数词变序数词仅位数变序数词例:
◇
twenty-one
→
twenty-first
◇
thirty-five
→
thirty-fifth
◇
a
hundred
andfifty-three
→
a
hundred
and
fi
fty-third
(2)
序数词用
①
序数词使用般加定冠词例:
◇
the
firstbook
◇
the
second
floor
◇
the
thirdday
◇
the
fourth
week.
②
序数词数情况都用作定语作表语、主语宾语例:
◇
The
may
1st
is
Labour
Day.
五月劳节
◇
My
room
is
on
the
second
floor.
我房间二楼
◇
The
first
is
larger
than
thesecond.
(主语)
第比第二
◇
Read
the
book
from
the
first.(宾语)
读本书
◇
You’ll
be
the
sixth
to
write.
(表语)
第六写
③
序数词前面加定冠词用表示再意思例:
◇
You
may
have
a
third
try.
第三尝试
(3)
间表示
①
间都由基数词表示例:
◇
It’s
nine.
现九点
◇
It’s
not
five
yet.
五点
面要加o’clock口语通省略
②
几点几表示两种形式
A.倒读:与汉语顺序同先读说点30钟内用钟数+past
+
钟点数表示几点几超30钟用钟数+
to+
钟点数表示差几
几点15钟用a
quarter30钟用a
half例:
◇
2:15
a
quarter
past
two
◇
2:45
a
quarter
to
three
◇
1:55
five
to
two
◇
7:05
five
past
seven
◇
5:35
thirty
five
past
five
◇
9:30
half
past
nine
指几点钟整才用o’clockteno’clock说seven
past
ten
o’clock.
B.顺读:与汉语顺序相同连用两基数词第表示点钟第二表示钟例:
◇
5:40
five
forty
◇
2:30
two
thirty
◇
1:15
one
fifteen
1530能用a
quater,
a
half代替
(4)
期表示
①
读:用基数词两位读例:
◇
1949
nineteen
forty-nine
◇
1840
eighteen
forty
②
月份名称要写例:
◇
January
◇
February
◇
March
◇
April
③
期用序数词表示前面加the省略例:
◇
5月4
May
(the)
fourth
◇
10月1
October
(the)
first
④
、月、顺序:英语
按月、、顺序读例:
◇
194910月1
October
(the)
firstnineteen
forty-n
ine
◇
19995月1
May
(the)
first
nineteenninety-nine
表示某、某月用介词inin2000in
September表示某
用介词onon
July
8
(5)
编号读
①
表示第几课(部章或节)用序数词前面定要加冠词;用基数词用冠词
语序与汉语相反例:
◇
lesson
one
→
the
first
lesson
◇
part
three
→
the
third
part
②
数字较通用基数词例:
◇
第219页
page
219
(two
one
nine)
◇
第306号房间
room
306
(three
o〔?藜u〕six)
◇
第六路公共汽车
bus
number
six
◇
电号码
885316
telephone
number885316
(eight
eight
five
three
one
six)
(6)
倍数用
①
The
train
arrived
half
an
hourlate.
火车晚半
half
形容词
②
He
has
three
times
as
many
books
as
I
have.
书我三倍
~几倍说两倍用twice注意表示倍数词句位置