期末复习--基数词变序数词（课件）-2024-2025学年人教版（2024）英语七年级上册

基数词变序数词 基变序，有规律，词尾字母TDD， 八减T，九减E，F要把VE替， TY把Y变成I，记得TH前有个E, 如果碰到几十几，只变个位就可以。 基变序，有规律，词尾字母TDD， one two three -------- -------- -------- first second third 八减T，九减E，F要把VE替， eight nine five twelve ------fifth -----twelfth eighth ninth -----eightth ------nineth √ √ twenty thirty forty fifty sixty seventy eighty ninety --- eightieth ---twentieth ---thirtieth --- fortieth ---fiftieth --- sixtieth ---seventieth ---ninetieth TY把Y变成I，记得TH 前有个E， 如果碰到几十几，只变个位就可以。 twenty-one thirty-four forty-five sixty-nine eighty-three ------ twenty-first ------ thirty-fourth ------ forty-fifth ------ sixty-ninth ------ eighty-third (   )1. My cousin’s birthday in on the         of October.         A.three    B. first     C.second (   )2. What date is it today? It’s        of April.          A. twelfth    B. the 12th   C. 12th ( )3. There are        days in a week. A. the seven 　B. seventh　 C. the seventh　D. seven ( )4.Sunday is the        day of a week. A.one B.first C. second ( )5. Twenty-eight minus(减)six is        . A. the twenty- second B. twenty-two C. twenty- second ( )6. Four plus(加)        is twelve. A.seven B. eight C. nine 将下列基数词变为序数词。 【1】eleven _______ 【2】twelve _______ twelfth eleventh 将下列基数词变为序数词。 【3】thirteen _______ 【4】fourteen _______ 【5】fifteen _______ thirteenth fourteenth fifteenth 根据句子意思填空。 1. Children’s Day（儿童节） is on the_______of June（六月）. 2. There are_______months（月）in a year(年). first twelve 3. Teacher’s Day(教师节) is on the_______of September（九月）. 4. Three plus(加) six is_______ . tenth nine Thank you for watching! $$