人教版七年级上册Unit 8 When is your birthday? 知识点总结

Unit 8知识点总结
重点短语
Happy birthday!
how old
in August
see you
English test
school trip
basketball game
aart festival
have an English party
School Day
Sports Day
Children’s Day
Women’s Day
have a good time
this afternoon
this term
next month
in the morning/afternoon/evening
in September
on September 2nd
at 8:00
重点语法
序数词
构成
基变序，有规律，词尾加上th。
一二三 特殊记(first，second，third),
八加h(eighth), 九减e(ninth)
ve要用f替(five-fifth；twelve-twelfth)
把y变为i和e，(twenty-twentieth，thirty-thirtieth) 最后加上-th，
若是第几十几，前为基，后为序。(twenty-one---twenty-first, twenty-four---twenty-fourth)
用法
①序数词前一般要加定冠词the表示顺序，但是当前面已经有形代等修饰时，则不能在加the；
②序数词常用缩写形式，“阿拉伯数字+个位序数词的后两个字母”: 1st,2nd,3rd,11th,12th,13th,21st,22nd,23rd,31st...
③序数词可表示日期“几月几日”中的“几日” October 1st
关于时间的介词
in in+月份 in January,in April...
on on+月份+日期 on January 23rd, on April 11th...
at at+小时 at 3:00 am,at 6:00 in the afternoon...
重点句型
(1)询问时间
When is your/his/her birthday It’s on February 12th. On February 12th.
When is the school trip It’s on October 12th. On October 12th.
(2)询问年龄
How old are you I’m 12 (years old). 12 (years old).
How old is he/sh/your mother She’s/He’s 13 (years old). 13 (years old).