五级下册英语课件－ Unit4 When is Easter PartB (4) ｜人教PEP（）.ppt

Unit4WhenisEaster?1stHowmanyballscanyousee?twelfthtwentieththirtiethtwenty-thirdtwenty-firsttwelfthtwenty-two基变序，有规律：

一般都是在基数词的末尾加上th发音|θ|

特殊情况：
1，一、二、三、特殊记，八去t,九去e,
ve要用f替，最后th加上去.

2，整十去y变ie,然后再加th.

3，若是遇到几十几，只变个位就可以。twentytwentieth20th
thirtythirtieth30thWhat’smissingtwelfth12thOctober24thLookandwrite一、写出下列单词的完全形式
1.is,when,birthday,your,brother’s(?)

2.uncle’s,my,in,is,July,birthday(.)

3.is,December12th,on,birthday,ZhangPeng’s(.)
HomeworkThankyou