(共17张PPT)
Unit 4 When is the art show
单元复习
三
基数词和序数词的概念
基数词:描述事物数量多少的词
如:one,two,three,four,five,six....
序数词:表示顺序的词
如:first,second,third,fourth,fifth....
first(1st)第-(的)
second(2nd)第二(的)
third(3rd第三(的)
fourth(4th)第四(的)
1、询问某一节日/活动的日期
fifth(5th)第五(的)
When+is+节日/活动?
twelfth(12th)第+二(的)
It'son+月份+序数词.
twentieth(20th)第二十(的)
twenty-.first(21st)第二十一(的)
重点单词
twenty-third(23rd)第二十三(的)
重点句型
2、询问.的生日
thirtieth(30th)第三十(的)
When is ...birthday
When is the art show
>birthday is on+月份+序数词.
基变序,有规律,词尾加上th;
一二三,特殊记,词尾分别t,d,d;
八去t,九去e,f来把ve替;
3、你将为某人在做什么?
整十去y变ie,然后再加th;
基数词变序数词口诀
What will you do for+人?
I will+动词(原形)短语+for+代词宾格
若是遇到几十几,只变个位就可
What do you find
I find..
mother
thirteen
three
maths
thin
this
0
that
th/0/
声带不振动
发音时声带振动
摸摸你的喉咙,发音时声带振动吗?
brother
基数词、序数词、
th在代词、及th后以字
以th结尾单词。发
母er结尾的单词。
清辅音
发浊辅音
I find.
mother
this
<0/
that
发音时声带振动
brother
/
one
first
。。
twelve
nine
thirtieth
second
fif
thi
twelfth
eight
twenty
two
three
eighth
five
0
first
0
00:52
threeth
thirtieth
eighth
nineth
seventh
twoth
fiveth
twentyth
thirtieth
fifth
eleventh
thirteen
second
twelfth
fourth
third
eightth
oneth
ninth
first