基数词与序数词ppt课件
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9th ninth 19th nineteenth 29th twenty-ninth
10th tenth 20th twentieth 30th thirtieth
31st thirty-first
.
10
基数词 序数词
基数词
序数词
one two three four five six seven eight nine ten eleven
50th
sixty
sixtieth
60th
seventy seventieth 70th
eighty
eightieth 80th
ninety
ninetieth 90th
Leabharlann Baidu
hundred hundredth 100th
one hundred one hundred
and one
and first.
101st
5th fifth 15th fifteenth 6th sixth 16th sixteenth
25th twenty-fifth 26th twenty-sixth
7th seventh 17th seventeenth 27th twenty-seventh 8th eighth 18th eighteenth 28th twenty-eighth
hundred .
2
说出下列数字
35
90
66
71
20
83
200
103
987
.
3
序数词:表示事物的先后顺序,常与the连用。
one first
1st
two second 2nd
three third
3rd
four fourth 4th
five fifth
5th
(. 说一说 5分钟)
4
基数词:
six seven eight nine ten
11th twenty-three twenty-third
12th thirty
thirtieth
13th 14th 15th 16th 17th 18th 19th 20th
21st
22nd
23rd
30th
基变序,有规律,词尾加上th. 1 2 3 特殊记,词 尾字母t,d,d。 8 少 t, 9 去 e, f 来把 ve 替。
4th sixteen
sixteenth
5th seventeen seventeenth
6th eighteen
eighteenth
7th nineteen
nineteenth
8th twenty
twentieth
9th twenty-one twenty-first
10th twenty-two twenty-second
9
议一议3分钟:序数词的规律
1st first 11th eleventh
21st twenty-first
2nd second 12th twelfth
22nd twenty-second
3rd third 13th thirteenth 23rd twenty-third
4th fourth 14th fourteenth 24th twenty-fourth
3. f 来把ve替, five_____;twelve ______
4. 整十变y为ie, 最后加上th。 twentieth
thirtieth
5. twenty _________,thirty
__________
5. 若是碰到第几十几tw,e只nt变y--个-fi位rs就t 可以。
fifteen
fifteenth
15th
.
6
基数词:
sixteen seventeen eighteen nineteen twenty
序数词:
sixteenth
16th
seventeenth 17th
eighteenth 18th
nineteenth 19th
twentieth
20th
.
7
基数词:
twelve
first second third fourth fifth sixth seventh eighth ninth tenth eleventh
twelfth
1st thirteen
thirteenth
2nd fourteen
fourteenth
3rd fifteen
fifteenth
基数词与序数词
.
1
基数词:表示数目的多少。 看一看 3分钟
one two three four five six seven eight nine ten eleven twelve
thirteen twenty twenty-one …
fourteen thirty thirty-one …
fifteen forty forty-one …
序数词:
sixth 6th seventh 7th eighth 8th ninth 9th tenth 10th
.
5
基数词:
序数词:
eleven
eleventh
11th
twelve
twelfth
12th
thirteen thirteenth 13th
fourteen fourteenth 14th
整十变y为ie,后跟 th 莫迟疑。 若是碰到几十几,
只变个位就可以。
.
11
基变序,有规律,词尾加上th。
1. 一二三 特殊记,词尾字母t,d,d
2. onef-i-rs_t____,twos-e-c-o_n_d___,threteh-i-rd
____
eighth
ninth
2. 八少t: eight--- _____fift九h 去e: nine--_t_w_e_lfth
sixteen fifty fifty-one …
seventeen sixty
sixty-one … seventy-one …
eighteen seventy eighty-one …
nineteen eighty ninety-one …
ninety
twenty-nine thirty-nine forty-nine fifty-nine sixty-nine seventy-nine eighty-nine ninety-nine
序数词:
twenty-one twenty-two twenty-three thirty forty
twenty-first twenty-second twenty-third thirtieth fortieth
21st 22nd 23rd 30th 40th
.
8
基数词
序数词
fifty
fiftieth